diff --git a/api/apps/api_app.py b/api/apps/api_app.py
index 98f696f1ca5194d5957558ce738eec09fb1bcdf0..3bf14590f06b8bbe413bb8c3a8823b710ff4a22e 100644
--- a/api/apps/api_app.py
+++ b/api/apps/api_app.py
@@ -52,7 +52,7 @@ def new_token():
     try:
         tenants = UserTenantService.query(user_id=current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
 
         tenant_id = tenants[0].tenant_id
         obj = {"tenant_id": tenant_id, "token": generate_confirmation_token(tenant_id),
@@ -68,7 +68,7 @@ def new_token():
             obj["dialog_id"] = req["dialog_id"]
 
         if not APITokenService.save(**obj):
-            return get_data_error_result(retmsg="Fail to new a dialog!")
+            return get_data_error_result(message="Fail to new a dialog!")
 
         return get_json_result(data=obj)
     except Exception as e:
@@ -81,7 +81,7 @@ def token_list():
     try:
         tenants = UserTenantService.query(user_id=current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
 
         id = request.args["dialog_id"] if "dialog_id" in request.args else request.args["canvas_id"]
         objs = APITokenService.query(tenant_id=tenants[0].tenant_id, dialog_id=id)
@@ -110,7 +110,7 @@ def stats():
     try:
         tenants = UserTenantService.query(user_id=current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
         objs = API4ConversationService.stats(
             tenants[0].tenant_id,
             request.args.get(
@@ -141,7 +141,7 @@ def set_conversation():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
     req = request.json
     try:
         if objs[0].source == "agent":
@@ -163,7 +163,7 @@ def set_conversation():
         else:
             e, dia = DialogService.get_by_id(objs[0].dialog_id)
             if not e:
-                return get_data_error_result(retmsg="Dialog not found")
+                return get_data_error_result(message="Dialog not found")
             conv = {
                 "id": get_uuid(),
                 "dialog_id": dia.id,
@@ -183,11 +183,11 @@ def completion():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
     req = request.json
     e, conv = API4ConversationService.get_by_id(req["conversation_id"])
     if not e:
-        return get_data_error_result(retmsg="Conversation not found!")
+        return get_data_error_result(message="Conversation not found!")
     if "quote" not in req: req["quote"] = False
 
     msg = []
@@ -257,7 +257,7 @@ def completion():
                             ans = {"answer": ans["content"], "reference": ans.get("reference", [])}
                             fillin_conv(ans)
                             rename_field(ans)
-                            yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans},
+                            yield "data:" + json.dumps({"code": 0, "message": "", "data": ans},
                                                        ensure_ascii=False) + "\n\n"
 
                         canvas.messages.append({"role": "assistant", "content": final_ans["content"], "id": message_id})
@@ -267,10 +267,10 @@ def completion():
                         cvs.dsl = json.loads(str(canvas))
                         API4ConversationService.append_message(conv.id, conv.to_dict())
                     except Exception as e:
-                        yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
+                        yield "data:" + json.dumps({"code": 500, "message": str(e),
                                                     "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
                                                    ensure_ascii=False) + "\n\n"
-                    yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
+                    yield "data:" + json.dumps({"code": 0, "message": "", "data": True}, ensure_ascii=False) + "\n\n"
 
                 resp = Response(sse(), mimetype="text/event-stream")
                 resp.headers.add_header("Cache-control", "no-cache")
@@ -295,7 +295,7 @@ def completion():
         conv.message.append(msg[-1])
         e, dia = DialogService.get_by_id(conv.dialog_id)
         if not e:
-            return get_data_error_result(retmsg="Dialog not found!")
+            return get_data_error_result(message="Dialog not found!")
         del req["conversation_id"]
         del req["messages"]
 
@@ -310,14 +310,14 @@ def completion():
                 for ans in chat(dia, msg, True, **req):
                     fillin_conv(ans)
                     rename_field(ans)
-                    yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans},
+                    yield "data:" + json.dumps({"code": 0, "message": "", "data": ans},
                                                ensure_ascii=False) + "\n\n"
                 API4ConversationService.append_message(conv.id, conv.to_dict())
             except Exception as e:
-                yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
+                yield "data:" + json.dumps({"code": 500, "message": str(e),
                                             "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
                                            ensure_ascii=False) + "\n\n"
-            yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
+            yield "data:" + json.dumps({"code": 0, "message": "", "data": True}, ensure_ascii=False) + "\n\n"
 
         if req.get("stream", True):
             resp = Response(stream(), mimetype="text/event-stream")
@@ -347,17 +347,17 @@ def get(conversation_id):
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
     
     try:
         e, conv = API4ConversationService.get_by_id(conversation_id)
         if not e:
-            return get_data_error_result(retmsg="Conversation not found!")
+            return get_data_error_result(message="Conversation not found!")
 
         conv = conv.to_dict()
         if token != APIToken.query(dialog_id=conv['dialog_id'])[0].token:
-            return get_json_result(data=False, retmsg='Token is not valid for this conversation_id!"',
-                                   retcode=RetCode.AUTHENTICATION_ERROR)
+            return get_json_result(data=False, message='Token is not valid for this conversation_id!"',
+                                   code=RetCode.AUTHENTICATION_ERROR)
             
         for referenct_i in conv['reference']:
             if referenct_i is None or len(referenct_i) == 0:
@@ -378,7 +378,7 @@ def upload():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     kb_name = request.form.get("kb_name").strip()
     tenant_id = objs[0].tenant_id
@@ -387,19 +387,19 @@ def upload():
         e, kb = KnowledgebaseService.get_by_name(kb_name, tenant_id)
         if not e:
             return get_data_error_result(
-                retmsg="Can't find this knowledgebase!")
+                message="Can't find this knowledgebase!")
         kb_id = kb.id
     except Exception as e:
         return server_error_response(e)
 
     if 'file' not in request.files:
         return get_json_result(
-            data=False, retmsg='No file part!', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='No file part!', code=RetCode.ARGUMENT_ERROR)
 
     file = request.files['file']
     if file.filename == '':
         return get_json_result(
-            data=False, retmsg='No file selected!', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='No file selected!', code=RetCode.ARGUMENT_ERROR)
 
     root_folder = FileService.get_root_folder(tenant_id)
     pf_id = root_folder["id"]
@@ -410,7 +410,7 @@ def upload():
     try:
         if DocumentService.get_doc_count(kb.tenant_id) >= int(os.environ.get('MAX_FILE_NUM_PER_USER', 8192)):
             return get_data_error_result(
-                retmsg="Exceed the maximum file number of a free user!")
+                message="Exceed the maximum file number of a free user!")
 
         filename = duplicate_name(
             DocumentService.query,
@@ -419,7 +419,7 @@ def upload():
         filetype = filename_type(filename)
         if not filetype:
             return get_data_error_result(
-                retmsg="This type of file has not been supported yet!")
+                message="This type of file has not been supported yet!")
 
         location = filename
         while STORAGE_IMPL.obj_exist(kb_id, location):
@@ -468,7 +468,7 @@ def upload():
                 # if str(req["run"]) == TaskStatus.CANCEL.value:
                 tenant_id = DocumentService.get_tenant_id(doc["id"])
                 if not tenant_id:
-                    return get_data_error_result(retmsg="Tenant not found!")
+                    return get_data_error_result(message="Tenant not found!")
 
                 # e, doc = DocumentService.get_by_id(doc["id"])
                 TaskService.filter_delete([Task.doc_id == doc["id"]])
@@ -490,17 +490,17 @@ def upload_parse():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     if 'file' not in request.files:
         return get_json_result(
-            data=False, retmsg='No file part!', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='No file part!', code=RetCode.ARGUMENT_ERROR)
 
     file_objs = request.files.getlist('file')
     for file_obj in file_objs:
         if file_obj.filename == '':
             return get_json_result(
-                data=False, retmsg='No file selected!', retcode=RetCode.ARGUMENT_ERROR)
+                data=False, message='No file selected!', code=RetCode.ARGUMENT_ERROR)
 
     doc_ids = doc_upload_and_parse(request.form.get("conversation_id"), file_objs, objs[0].tenant_id)
     return get_json_result(data=doc_ids)
@@ -513,7 +513,7 @@ def list_chunks():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     req = request.json
 
@@ -527,7 +527,7 @@ def list_chunks():
             doc_id = req['doc_id']
         else:
             return get_json_result(
-                data=False, retmsg="Can't find doc_name or doc_id"
+                data=False, message="Can't find doc_name or doc_id"
             )
 
         res = retrievaler.chunk_list(doc_id=doc_id, tenant_id=tenant_id)
@@ -552,7 +552,7 @@ def list_kb_docs():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     req = request.json
     tenant_id = objs[0].tenant_id
@@ -562,7 +562,7 @@ def list_kb_docs():
         e, kb = KnowledgebaseService.get_by_name(kb_name, tenant_id)
         if not e:
             return get_data_error_result(
-                retmsg="Can't find this knowledgebase!")
+                message="Can't find this knowledgebase!")
         kb_id = kb.id
 
     except Exception as e:
@@ -591,7 +591,7 @@ def docinfos():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
     req = request.json
     doc_ids = req["doc_ids"]
     docs = DocumentService.get_by_ids(doc_ids)
@@ -605,7 +605,7 @@ def document_rm():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     tenant_id = objs[0].tenant_id
     req = request.json
@@ -617,7 +617,7 @@ def document_rm():
 
         if not doc_ids:
             return get_json_result(
-                data=False, retmsg="Can't find doc_names or doc_ids"
+                data=False, message="Can't find doc_names or doc_ids"
             )
 
     except Exception as e:
@@ -632,16 +632,16 @@ def document_rm():
         try:
             e, doc = DocumentService.get_by_id(doc_id)
             if not e:
-                return get_data_error_result(retmsg="Document not found!")
+                return get_data_error_result(message="Document not found!")
             tenant_id = DocumentService.get_tenant_id(doc_id)
             if not tenant_id:
-                return get_data_error_result(retmsg="Tenant not found!")
+                return get_data_error_result(message="Tenant not found!")
 
             b, n = File2DocumentService.get_storage_address(doc_id=doc_id)
 
             if not DocumentService.remove_document(doc, tenant_id):
                 return get_data_error_result(
-                    retmsg="Database error (Document removal)!")
+                    message="Database error (Document removal)!")
 
             f2d = File2DocumentService.get_by_document_id(doc_id)
             FileService.filter_delete([File.source_type == FileSource.KNOWLEDGEBASE, File.id == f2d[0].file_id])
@@ -652,7 +652,7 @@ def document_rm():
             errors += str(e)
 
     if errors:
-        return get_json_result(data=False, retmsg=errors, retcode=RetCode.SERVER_ERROR)
+        return get_json_result(data=False, message=errors, code=RetCode.SERVER_ERROR)
 
     return get_json_result(data=True)
 
@@ -667,11 +667,11 @@ def completion_faq():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     e, conv = API4ConversationService.get_by_id(req["conversation_id"])
     if not e:
-        return get_data_error_result(retmsg="Conversation not found!")
+        return get_data_error_result(message="Conversation not found!")
     if "quote" not in req: req["quote"] = True
 
     msg = []
@@ -752,7 +752,7 @@ def completion_faq():
         conv.message.append(msg[-1])
         e, dia = DialogService.get_by_id(conv.dialog_id)
         if not e:
-            return get_data_error_result(retmsg="Dialog not found!")
+            return get_data_error_result(message="Dialog not found!")
         del req["conversation_id"]
 
         if not conv.reference:
@@ -804,7 +804,7 @@ def retrieval():
     objs = APIToken.query(token=token)
     if not objs:
         return get_json_result(
-            data=False, retmsg='Token is not valid!"', retcode=RetCode.AUTHENTICATION_ERROR)
+            data=False, message='Token is not valid!"', code=RetCode.AUTHENTICATION_ERROR)
 
     req = request.json
     kb_ids = req.get("kb_id",[])
@@ -821,7 +821,7 @@ def retrieval():
         embd_nms = list(set([kb.embd_id for kb in kbs]))
         if len(embd_nms) != 1:
             return get_json_result(
-                data=False, retmsg='Knowledge bases use different embedding models or does not exist."', retcode=RetCode.AUTHENTICATION_ERROR)
+                data=False, message='Knowledge bases use different embedding models or does not exist."', code=RetCode.AUTHENTICATION_ERROR)
 
         embd_mdl = TenantLLMService.model_instance(
             kbs[0].tenant_id, LLMType.EMBEDDING.value, llm_name=kbs[0].embd_id)
@@ -841,6 +841,6 @@ def retrieval():
         return get_json_result(data=ranks)
     except Exception as e:
         if str(e).find("not_found") > 0:
-            return get_json_result(data=False, retmsg=f'No chunk found! Check the chunk status please!',
-                                   retcode=RetCode.DATA_ERROR)
+            return get_json_result(data=False, message='No chunk found! Check the chunk status please!',
+                                   code=RetCode.DATA_ERROR)
         return server_error_response(e)
diff --git a/api/apps/canvas_app.py b/api/apps/canvas_app.py
index b6a49ba42b7b65d34cc66db7fa40a0b2f0abe3dc..dc4c37848eddae706369d80b66fd75f0f14dda7f 100644
--- a/api/apps/canvas_app.py
+++ b/api/apps/canvas_app.py
@@ -46,8 +46,8 @@ def rm():
     for i in request.json["canvas_ids"]:
         if not UserCanvasService.query(user_id=current_user.id,id=i):
             return get_json_result(
-                data=False, retmsg=f'Only owner of canvas authorized for this operation.',
-                retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of canvas authorized for this operation.',
+                code=RetCode.OPERATING_ERROR)
         UserCanvasService.delete_by_id(i)
     return get_json_result(data=True)
 
@@ -66,12 +66,12 @@ def save():
             return server_error_response(ValueError("Duplicated title."))
         req["id"] = get_uuid()
         if not UserCanvasService.save(**req):
-            return get_data_error_result(retmsg="Fail to save canvas.")
+            return get_data_error_result(message="Fail to save canvas.")
     else:
         if not UserCanvasService.query(user_id=current_user.id, id=req["id"]):
             return get_json_result(
-                data=False, retmsg=f'Only owner of canvas authorized for this operation.',
-                retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of canvas authorized for this operation.',
+                code=RetCode.OPERATING_ERROR)
         UserCanvasService.update_by_id(req["id"], req)
     return get_json_result(data=req)
 
@@ -81,7 +81,7 @@ def save():
 def get(canvas_id):
     e, c = UserCanvasService.get_by_id(canvas_id)
     if not e:
-        return get_data_error_result(retmsg="canvas not found.")
+        return get_data_error_result(message="canvas not found.")
     return get_json_result(data=c.to_dict())
 
 
@@ -93,11 +93,11 @@ def run():
     stream = req.get("stream", True)
     e, cvs = UserCanvasService.get_by_id(req["id"])
     if not e:
-        return get_data_error_result(retmsg="canvas not found.")
+        return get_data_error_result(message="canvas not found.")
     if not UserCanvasService.query(user_id=current_user.id, id=req["id"]):
         return get_json_result(
-            data=False, retmsg=f'Only owner of canvas authorized for this operation.',
-            retcode=RetCode.OPERATING_ERROR)
+            data=False, message='Only owner of canvas authorized for this operation.',
+            code=RetCode.OPERATING_ERROR)
 
     if not isinstance(cvs.dsl, str):
         cvs.dsl = json.dumps(cvs.dsl, ensure_ascii=False)
@@ -130,7 +130,7 @@ def run():
                     for k in ans.keys():
                         final_ans[k] = ans[k]
                     ans = {"answer": ans["content"], "reference": ans.get("reference", [])}
-                    yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans}, ensure_ascii=False) + "\n\n"
+                    yield "data:" + json.dumps({"code": 0, "message": "", "data": ans}, ensure_ascii=False) + "\n\n"
 
                 canvas.messages.append({"role": "assistant", "content": final_ans["content"], "id": message_id})
                 canvas.history.append(("assistant", final_ans["content"]))
@@ -139,10 +139,10 @@ def run():
                 cvs.dsl = json.loads(str(canvas))
                 UserCanvasService.update_by_id(req["id"], cvs.to_dict())
             except Exception as e:
-                yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
+                yield "data:" + json.dumps({"code": 500, "message": str(e),
                                             "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
                                            ensure_ascii=False) + "\n\n"
-            yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
+            yield "data:" + json.dumps({"code": 0, "message": "", "data": True}, ensure_ascii=False) + "\n\n"
 
         resp = Response(sse(), mimetype="text/event-stream")
         resp.headers.add_header("Cache-control", "no-cache")
@@ -168,11 +168,11 @@ def reset():
     try:
         e, user_canvas = UserCanvasService.get_by_id(req["id"])
         if not e:
-            return get_data_error_result(retmsg="canvas not found.")
+            return get_data_error_result(message="canvas not found.")
         if not UserCanvasService.query(user_id=current_user.id, id=req["id"]):
             return get_json_result(
-                data=False, retmsg=f'Only owner of canvas authorized for this operation.',
-                retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of canvas authorized for this operation.',
+                code=RetCode.OPERATING_ERROR)
 
         canvas = Canvas(json.dumps(user_canvas.dsl), current_user.id)
         canvas.reset()
diff --git a/api/apps/chunk_app.py b/api/apps/chunk_app.py
index f79a3673eed97f7e15f135d4d7444fd2c63201ed..02abad1ddb6311053d67da4c047fdbc3ca0c581e 100644
--- a/api/apps/chunk_app.py
+++ b/api/apps/chunk_app.py
@@ -15,7 +15,6 @@
 #
 import datetime
 import json
-import traceback
 
 from flask import request
 from flask_login import login_required, current_user
@@ -50,10 +49,10 @@ def list_chunk():
     try:
         tenant_id = DocumentService.get_tenant_id(req["doc_id"])
         if not tenant_id:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
         e, doc = DocumentService.get_by_id(doc_id)
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         query = {
             "doc_ids": [doc_id], "page": page, "size": size, "question": question, "sort": True
         }
@@ -84,8 +83,8 @@ def list_chunk():
         return get_json_result(data=res)
     except Exception as e:
         if str(e).find("not_found") > 0:
-            return get_json_result(data=False, retmsg=f'No chunk found!',
-                                   retcode=RetCode.DATA_ERROR)
+            return get_json_result(data=False, message='No chunk found!',
+                                   code=RetCode.DATA_ERROR)
         return server_error_response(e)
 
 
@@ -96,7 +95,7 @@ def get():
     try:
         tenants = UserTenantService.query(user_id=current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
         res = ELASTICSEARCH.get(
             chunk_id, search.index_name(
                 tenants[0].tenant_id))
@@ -115,8 +114,8 @@ def get():
         return get_json_result(data=res)
     except Exception as e:
         if str(e).find("NotFoundError") >= 0:
-            return get_json_result(data=False, retmsg=f'Chunk not found!',
-                                   retcode=RetCode.DATA_ERROR)
+            return get_json_result(data=False, message='Chunk not found!',
+                                   code=RetCode.DATA_ERROR)
         return server_error_response(e)
 
 
@@ -139,14 +138,14 @@ def set():
     try:
         tenant_id = DocumentService.get_tenant_id(req["doc_id"])
         if not tenant_id:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
 
         embd_id = DocumentService.get_embd_id(req["doc_id"])
         embd_mdl = LLMBundle(tenant_id, LLMType.EMBEDDING, embd_id)
 
         e, doc = DocumentService.get_by_id(req["doc_id"])
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
 
         if doc.parser_id == ParserType.QA:
             arr = [
@@ -155,7 +154,7 @@ def set():
                     req["content_with_weight"]) if len(t) > 1]
             if len(arr) != 2:
                 return get_data_error_result(
-                    retmsg="Q&A must be separated by TAB/ENTER key.")
+                    message="Q&A must be separated by TAB/ENTER key.")
             q, a = rmPrefix(arr[0]), rmPrefix(arr[1])
             d = beAdoc(d, arr[0], arr[1], not any(
                 [rag_tokenizer.is_chinese(t) for t in q + a]))
@@ -177,10 +176,10 @@ def switch():
     try:
         tenant_id = DocumentService.get_tenant_id(req["doc_id"])
         if not tenant_id:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
         if not ELASTICSEARCH.upsert([{"id": i, "available_int": int(req["available_int"])} for i in req["chunk_ids"]],
                                     search.index_name(tenant_id)):
-            return get_data_error_result(retmsg="Index updating failure")
+            return get_data_error_result(message="Index updating failure")
         return get_json_result(data=True)
     except Exception as e:
         return server_error_response(e)
@@ -194,10 +193,10 @@ def rm():
     try:
         if not ELASTICSEARCH.deleteByQuery(
                 Q("ids", values=req["chunk_ids"]), search.index_name(current_user.id)):
-            return get_data_error_result(retmsg="Index updating failure")
+            return get_data_error_result(message="Index updating failure")
         e, doc = DocumentService.get_by_id(req["doc_id"])
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         deleted_chunk_ids = req["chunk_ids"]
         chunk_number = len(deleted_chunk_ids)
         DocumentService.decrement_chunk_num(doc.id, doc.kb_id, 1, chunk_number, 0)
@@ -225,14 +224,14 @@ def create():
     try:
         e, doc = DocumentService.get_by_id(req["doc_id"])
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         d["kb_id"] = [doc.kb_id]
         d["docnm_kwd"] = doc.name
         d["doc_id"] = doc.id
 
         tenant_id = DocumentService.get_tenant_id(req["doc_id"])
         if not tenant_id:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
 
         embd_id = DocumentService.get_embd_id(req["doc_id"])
         embd_mdl = LLMBundle(tenant_id, LLMType.EMBEDDING.value, embd_id)
@@ -273,12 +272,12 @@ def retrieval_test():
                     break
             else:
                 return get_json_result(
-                    data=False, retmsg=f'Only owner of knowledgebase authorized for this operation.',
-                    retcode=RetCode.OPERATING_ERROR)
+                    data=False, message='Only owner of knowledgebase authorized for this operation.',
+                    code=RetCode.OPERATING_ERROR)
 
         e, kb = KnowledgebaseService.get_by_id(kb_id[0])
         if not e:
-            return get_data_error_result(retmsg="Knowledgebase not found!")
+            return get_data_error_result(message="Knowledgebase not found!")
 
         embd_mdl = LLMBundle(kb.tenant_id, LLMType.EMBEDDING.value, llm_name=kb.embd_id)
 
@@ -301,8 +300,8 @@ def retrieval_test():
         return get_json_result(data=ranks)
     except Exception as e:
         if str(e).find("not_found") > 0:
-            return get_json_result(data=False, retmsg=f'No chunk found! Check the chunk status please!',
-                                   retcode=RetCode.DATA_ERROR)
+            return get_json_result(data=False, message='No chunk found! Check the chunk status please!',
+                                   code=RetCode.DATA_ERROR)
         return server_error_response(e)
 
 
@@ -321,7 +320,7 @@ def knowledge_graph():
         ty = sres.field[id]["knowledge_graph_kwd"]
         try:
             content_json = json.loads(sres.field[id]["content_with_weight"])
-        except Exception as e:
+        except Exception:
             continue
 
         if ty == 'mind_map':
diff --git a/api/apps/conversation_app.py b/api/apps/conversation_app.py
index 02f0545164aaa5766b3699e3af335fe5d89a56cc..a86a0dbaea775d22de39d019c7cce60a45a8c5e9 100644
--- a/api/apps/conversation_app.py
+++ b/api/apps/conversation_app.py
@@ -42,11 +42,11 @@ def set_conversation():
         del req["conversation_id"]
         try:
             if not ConversationService.update_by_id(conv_id, req):
-                return get_data_error_result(retmsg="Conversation not found!")
+                return get_data_error_result(message="Conversation not found!")
             e, conv = ConversationService.get_by_id(conv_id)
             if not e:
                 return get_data_error_result(
-                    retmsg="Fail to update a conversation!")
+                    message="Fail to update a conversation!")
             conv = conv.to_dict()
             return get_json_result(data=conv)
         except Exception as e:
@@ -55,7 +55,7 @@ def set_conversation():
     try:
         e, dia = DialogService.get_by_id(req["dialog_id"])
         if not e:
-            return get_data_error_result(retmsg="Dialog not found")
+            return get_data_error_result(message="Dialog not found")
         conv = {
             "id": conv_id,
             "dialog_id": req["dialog_id"],
@@ -65,7 +65,7 @@ def set_conversation():
         ConversationService.save(**conv)
         e, conv = ConversationService.get_by_id(conv["id"])
         if not e:
-            return get_data_error_result(retmsg="Fail to new a conversation!")
+            return get_data_error_result(message="Fail to new a conversation!")
         conv = conv.to_dict()
         return get_json_result(data=conv)
     except Exception as e:
@@ -79,15 +79,15 @@ def get():
     try:
         e, conv = ConversationService.get_by_id(conv_id)
         if not e:
-            return get_data_error_result(retmsg="Conversation not found!")
+            return get_data_error_result(message="Conversation not found!")
         tenants = UserTenantService.query(user_id=current_user.id)
         for tenant in tenants:
             if DialogService.query(tenant_id=tenant.tenant_id, id=conv.dialog_id):
                 break
         else:
             return get_json_result(
-                data=False, retmsg=f'Only owner of conversation authorized for this operation.',
-                retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of conversation authorized for this operation.',
+                code=RetCode.OPERATING_ERROR)
         conv = conv.to_dict()
         return get_json_result(data=conv)
     except Exception as e:
@@ -102,15 +102,15 @@ def rm():
         for cid in conv_ids:
             exist, conv = ConversationService.get_by_id(cid)
             if not exist:
-                return get_data_error_result(retmsg="Conversation not found!")
+                return get_data_error_result(message="Conversation not found!")
             tenants = UserTenantService.query(user_id=current_user.id)
             for tenant in tenants:
                 if DialogService.query(tenant_id=tenant.tenant_id, id=conv.dialog_id):
                     break
             else:
                 return get_json_result(
-                    data=False, retmsg=f'Only owner of conversation authorized for this operation.',
-                    retcode=RetCode.OPERATING_ERROR)
+                    data=False, message='Only owner of conversation authorized for this operation.',
+                    code=RetCode.OPERATING_ERROR)
             ConversationService.delete_by_id(cid)
         return get_json_result(data=True)
     except Exception as e:
@@ -124,8 +124,8 @@ def list_convsersation():
     try:
         if not DialogService.query(tenant_id=current_user.id, id=dialog_id):
             return get_json_result(
-                data=False, retmsg=f'Only owner of dialog authorized for this operation.',
-                retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of dialog authorized for this operation.',
+                code=RetCode.OPERATING_ERROR)
         convs = ConversationService.query(
             dialog_id=dialog_id,
             order_by=ConversationService.model.create_time,
@@ -152,11 +152,11 @@ def completion():
     try:
         e, conv = ConversationService.get_by_id(req["conversation_id"])
         if not e:
-            return get_data_error_result(retmsg="Conversation not found!")
+            return get_data_error_result(message="Conversation not found!")
         conv.message = deepcopy(req["messages"])
         e, dia = DialogService.get_by_id(conv.dialog_id)
         if not e:
-            return get_data_error_result(retmsg="Dialog not found!")
+            return get_data_error_result(message="Dialog not found!")
         del req["conversation_id"]
         del req["messages"]
 
@@ -180,14 +180,14 @@ def completion():
             try:
                 for ans in chat(dia, msg, True, **req):
                     fillin_conv(ans)
-                    yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans}, ensure_ascii=False) + "\n\n"
+                    yield "data:" + json.dumps({"code": 0, "message": "", "data": ans}, ensure_ascii=False) + "\n\n"
                 ConversationService.update_by_id(conv.id, conv.to_dict())
             except Exception as e:
                 traceback.print_exc()
-                yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
+                yield "data:" + json.dumps({"code": 500, "message": str(e),
                                             "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
                                            ensure_ascii=False) + "\n\n"
-            yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
+            yield "data:" + json.dumps({"code": 0, "message": "", "data": True}, ensure_ascii=False) + "\n\n"
 
         if req.get("stream", True):
             resp = Response(stream(), mimetype="text/event-stream")
@@ -217,11 +217,11 @@ def tts():
 
     tenants = TenantService.get_info_by(current_user.id)
     if not tenants:
-        return get_data_error_result(retmsg="Tenant not found!")
+        return get_data_error_result(message="Tenant not found!")
 
     tts_id = tenants[0]["tts_id"]
     if not tts_id:
-        return get_data_error_result(retmsg="No default TTS model is set")
+        return get_data_error_result(message="No default TTS model is set")
 
     tts_mdl = LLMBundle(tenants[0]["tenant_id"], LLMType.TTS, tts_id)
 
@@ -231,7 +231,7 @@ def tts():
                 for chunk in tts_mdl.tts(txt):
                     yield chunk
         except Exception as e:
-            yield ("data:" + json.dumps({"retcode": 500, "retmsg": str(e),
+            yield ("data:" + json.dumps({"code": 500, "message": str(e),
                                          "data": {"answer": "**ERROR**: " + str(e)}},
                                         ensure_ascii=False)).encode('utf-8')
 
@@ -250,7 +250,7 @@ def delete_msg():
     req = request.json
     e, conv = ConversationService.get_by_id(req["conversation_id"])
     if not e:
-        return get_data_error_result(retmsg="Conversation not found!")
+        return get_data_error_result(message="Conversation not found!")
 
     conv = conv.to_dict()
     for i, msg in enumerate(conv["message"]):
@@ -273,7 +273,7 @@ def thumbup():
     req = request.json
     e, conv = ConversationService.get_by_id(req["conversation_id"])
     if not e:
-        return get_data_error_result(retmsg="Conversation not found!")
+        return get_data_error_result(message="Conversation not found!")
     up_down = req.get("set")
     feedback = req.get("feedback", "")
     conv = conv.to_dict()
@@ -301,12 +301,12 @@ def ask_about():
         nonlocal req, uid
         try:
             for ans in ask(req["question"], req["kb_ids"], uid):
-                yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans}, ensure_ascii=False) + "\n\n"
+                yield "data:" + json.dumps({"code": 0, "message": "", "data": ans}, ensure_ascii=False) + "\n\n"
         except Exception as e:
-            yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
+            yield "data:" + json.dumps({"code": 500, "message": str(e),
                                         "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
                                        ensure_ascii=False) + "\n\n"
-        yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
+        yield "data:" + json.dumps({"code": 0, "message": "", "data": True}, ensure_ascii=False) + "\n\n"
 
     resp = Response(stream(), mimetype="text/event-stream")
     resp.headers.add_header("Cache-control", "no-cache")
@@ -324,7 +324,7 @@ def mindmap():
     kb_ids = req["kb_ids"]
     e, kb = KnowledgebaseService.get_by_id(kb_ids[0])
     if not e:
-        return get_data_error_result(retmsg="Knowledgebase not found!")
+        return get_data_error_result(message="Knowledgebase not found!")
 
     embd_mdl = TenantLLMService.model_instance(
         kb.tenant_id, LLMType.EMBEDDING.value, llm_name=kb.embd_id)
diff --git a/api/apps/dialog_app.py b/api/apps/dialog_app.py
index 371362c676ff1a618d12867e18527dfde1ef13c1..e3c87a1fc41d66ecfd7a3dc179bcc109306217e8 100644
--- a/api/apps/dialog_app.py
+++ b/api/apps/dialog_app.py
@@ -68,17 +68,17 @@ def set_dialog():
             continue
         if prompt_config["system"].find("{%s}" % p["key"]) < 0:
             return get_data_error_result(
-                retmsg="Parameter '{}' is not used".format(p["key"]))
+                message="Parameter '{}' is not used".format(p["key"]))
 
     try:
         e, tenant = TenantService.get_by_id(current_user.id)
         if not e:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
         llm_id = req.get("llm_id", tenant.llm_id)
         if not dialog_id:
             if not req.get("kb_ids"):
                 return get_data_error_result(
-                    retmsg="Fail! Please select knowledgebase!")
+                    message="Fail! Please select knowledgebase!")
             dia = {
                 "id": get_uuid(),
                 "tenant_id": current_user.id,
@@ -96,20 +96,20 @@ def set_dialog():
                 "icon": icon
             }
             if not DialogService.save(**dia):
-                return get_data_error_result(retmsg="Fail to new a dialog!")
+                return get_data_error_result(message="Fail to new a dialog!")
             e, dia = DialogService.get_by_id(dia["id"])
             if not e:
-                return get_data_error_result(retmsg="Fail to new a dialog!")
+                return get_data_error_result(message="Fail to new a dialog!")
             return get_json_result(data=dia.to_json())
         else:
             del req["dialog_id"]
             if "kb_names" in req:
                 del req["kb_names"]
             if not DialogService.update_by_id(dialog_id, req):
-                return get_data_error_result(retmsg="Dialog not found!")
+                return get_data_error_result(message="Dialog not found!")
             e, dia = DialogService.get_by_id(dialog_id)
             if not e:
-                return get_data_error_result(retmsg="Fail to update a dialog!")
+                return get_data_error_result(message="Fail to update a dialog!")
             dia = dia.to_dict()
             dia["kb_ids"], dia["kb_names"] = get_kb_names(dia["kb_ids"])
             return get_json_result(data=dia)
@@ -124,7 +124,7 @@ def get():
     try:
         e, dia = DialogService.get_by_id(dialog_id)
         if not e:
-            return get_data_error_result(retmsg="Dialog not found!")
+            return get_data_error_result(message="Dialog not found!")
         dia = dia.to_dict()
         dia["kb_ids"], dia["kb_names"] = get_kb_names(dia["kb_ids"])
         return get_json_result(data=dia)
@@ -174,8 +174,8 @@ def rm():
                     break
             else:
                 return get_json_result(
-                    data=False, retmsg=f'Only owner of dialog authorized for this operation.',
-                    retcode=RetCode.OPERATING_ERROR)
+                    data=False, message='Only owner of dialog authorized for this operation.',
+                    code=RetCode.OPERATING_ERROR)
             dialog_list.append({"id": id,"status":StatusEnum.INVALID.value})
         DialogService.update_many_by_id(dialog_list)
         return get_json_result(data=True)
diff --git a/api/apps/document_app.py b/api/apps/document_app.py
index 0e4af1447863bb07bfd6c04b83634b6923086f33..c6446f3d60566dd3e7166459935d618d2e7fc4f6 100644
--- a/api/apps/document_app.py
+++ b/api/apps/document_app.py
@@ -49,16 +49,16 @@ def upload():
     kb_id = request.form.get("kb_id")
     if not kb_id:
         return get_json_result(
-            data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='Lack of "KB ID"', code=RetCode.ARGUMENT_ERROR)
     if 'file' not in request.files:
         return get_json_result(
-            data=False, retmsg='No file part!', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='No file part!', code=RetCode.ARGUMENT_ERROR)
 
     file_objs = request.files.getlist('file')
     for file_obj in file_objs:
         if file_obj.filename == '':
             return get_json_result(
-                data=False, retmsg='No file selected!', retcode=RetCode.ARGUMENT_ERROR)
+                data=False, message='No file selected!', code=RetCode.ARGUMENT_ERROR)
 
     e, kb = KnowledgebaseService.get_by_id(kb_id)
     if not e:
@@ -67,7 +67,7 @@ def upload():
     err, _ = FileService.upload_document(kb, file_objs, current_user.id)
     if err:
         return get_json_result(
-            data=False, retmsg="\n".join(err), retcode=RetCode.SERVER_ERROR)
+            data=False, message="\n".join(err), code=RetCode.SERVER_ERROR)
     return get_json_result(data=True)
 
 
@@ -78,12 +78,12 @@ def web_crawl():
     kb_id = request.form.get("kb_id")
     if not kb_id:
         return get_json_result(
-            data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='Lack of "KB ID"', code=RetCode.ARGUMENT_ERROR)
     name = request.form.get("name")
     url = request.form.get("url")
     if not is_valid_url(url):
         return get_json_result(
-            data=False, retmsg='The URL format is invalid', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='The URL format is invalid', code=RetCode.ARGUMENT_ERROR)
     e, kb = KnowledgebaseService.get_by_id(kb_id)
     if not e:
         raise LookupError("Can't find this knowledgebase!")
@@ -145,17 +145,17 @@ def create():
     kb_id = req["kb_id"]
     if not kb_id:
         return get_json_result(
-            data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='Lack of "KB ID"', code=RetCode.ARGUMENT_ERROR)
 
     try:
         e, kb = KnowledgebaseService.get_by_id(kb_id)
         if not e:
             return get_data_error_result(
-                retmsg="Can't find this knowledgebase!")
+                message="Can't find this knowledgebase!")
 
         if DocumentService.query(name=req["name"], kb_id=kb_id):
             return get_data_error_result(
-                retmsg="Duplicated document name in the same knowledgebase.")
+                message="Duplicated document name in the same knowledgebase.")
 
         doc = DocumentService.insert({
             "id": get_uuid(),
@@ -179,7 +179,7 @@ def list_docs():
     kb_id = request.args.get("kb_id")
     if not kb_id:
         return get_json_result(
-            data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='Lack of "KB ID"', code=RetCode.ARGUMENT_ERROR)
     tenants = UserTenantService.query(user_id=current_user.id)
     for tenant in tenants:
         if KnowledgebaseService.query(
@@ -187,8 +187,8 @@ def list_docs():
             break
     else:
         return get_json_result(
-            data=False, retmsg=f'Only owner of knowledgebase authorized for this operation.',
-            retcode=RetCode.OPERATING_ERROR)
+            data=False, message='Only owner of knowledgebase authorized for this operation.',
+            code=RetCode.OPERATING_ERROR)
     keywords = request.args.get("keywords", "")
 
     page_number = int(request.args.get("page", 1))
@@ -217,8 +217,8 @@ def docinfos():
         if not DocumentService.accessible(doc_id, current_user.id):
             return get_json_result(
                 data=False,
-                retmsg='No authorization.',
-                retcode=RetCode.AUTHENTICATION_ERROR
+                message='No authorization.',
+                code=RetCode.AUTHENTICATION_ERROR
             )
     docs = DocumentService.get_by_ids(doc_ids)
     return get_json_result(data=list(docs.dicts()))
@@ -230,7 +230,7 @@ def thumbnails():
     doc_ids = request.args.get("doc_ids").split(",")
     if not doc_ids:
         return get_json_result(
-            data=False, retmsg='Lack of "Document ID"', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='Lack of "Document ID"', code=RetCode.ARGUMENT_ERROR)
 
     try:
         docs = DocumentService.get_thumbnails(doc_ids)
@@ -252,28 +252,28 @@ def change_status():
     if str(req["status"]) not in ["0", "1"]:
         return get_json_result(
             data=False,
-            retmsg='"Status" must be either 0 or 1!',
-            retcode=RetCode.ARGUMENT_ERROR)
+            message='"Status" must be either 0 or 1!',
+            code=RetCode.ARGUMENT_ERROR)
 
     if not DocumentService.accessible(req["doc_id"], current_user.id):
         return get_json_result(
             data=False,
-            retmsg='No authorization.',
-            retcode=RetCode.AUTHENTICATION_ERROR)
+            message='No authorization.',
+            code=RetCode.AUTHENTICATION_ERROR)
 
     try:
         e, doc = DocumentService.get_by_id(req["doc_id"])
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         e, kb = KnowledgebaseService.get_by_id(doc.kb_id)
         if not e:
             return get_data_error_result(
-                retmsg="Can't find this knowledgebase!")
+                message="Can't find this knowledgebase!")
 
         if not DocumentService.update_by_id(
                 req["doc_id"], {"status": str(req["status"])}):
             return get_data_error_result(
-                retmsg="Database error (Document update)!")
+                message="Database error (Document update)!")
 
         if str(req["status"]) == "0":
             ELASTICSEARCH.updateScriptByQuery(Q("term", doc_id=req["doc_id"]),
@@ -304,8 +304,8 @@ def rm():
         if not DocumentService.accessible4deletion(doc_id, current_user.id):
             return get_json_result(
                 data=False,
-                retmsg='No authorization.',
-                retcode=RetCode.AUTHENTICATION_ERROR
+                message='No authorization.',
+                code=RetCode.AUTHENTICATION_ERROR
             )
 
     root_folder = FileService.get_root_folder(current_user.id)
@@ -316,16 +316,16 @@ def rm():
         try:
             e, doc = DocumentService.get_by_id(doc_id)
             if not e:
-                return get_data_error_result(retmsg="Document not found!")
+                return get_data_error_result(message="Document not found!")
             tenant_id = DocumentService.get_tenant_id(doc_id)
             if not tenant_id:
-                return get_data_error_result(retmsg="Tenant not found!")
+                return get_data_error_result(message="Tenant not found!")
 
             b, n = File2DocumentService.get_storage_address(doc_id=doc_id)
 
             if not DocumentService.remove_document(doc, tenant_id):
                 return get_data_error_result(
-                    retmsg="Database error (Document removal)!")
+                    message="Database error (Document removal)!")
 
             f2d = File2DocumentService.get_by_document_id(doc_id)
             FileService.filter_delete([File.source_type == FileSource.KNOWLEDGEBASE, File.id == f2d[0].file_id])
@@ -336,7 +336,7 @@ def rm():
             errors += str(e)
 
     if errors:
-        return get_json_result(data=False, retmsg=errors, retcode=RetCode.SERVER_ERROR)
+        return get_json_result(data=False, message=errors, code=RetCode.SERVER_ERROR)
 
     return get_json_result(data=True)
 
@@ -350,8 +350,8 @@ def run():
         if not DocumentService.accessible(doc_id, current_user.id):
             return get_json_result(
                 data=False,
-                retmsg='No authorization.',
-                retcode=RetCode.AUTHENTICATION_ERROR
+                message='No authorization.',
+                code=RetCode.AUTHENTICATION_ERROR
             )
     try:
         for id in req["doc_ids"]:
@@ -364,7 +364,7 @@ def run():
             # if str(req["run"]) == TaskStatus.CANCEL.value:
             tenant_id = DocumentService.get_tenant_id(id)
             if not tenant_id:
-                return get_data_error_result(retmsg="Tenant not found!")
+                return get_data_error_result(message="Tenant not found!")
             ELASTICSEARCH.deleteByQuery(
                 Q("match", doc_id=id), idxnm=search.index_name(tenant_id))
 
@@ -389,28 +389,28 @@ def rename():
     if not DocumentService.accessible(req["doc_id"], current_user.id):
         return get_json_result(
             data=False,
-            retmsg='No authorization.',
-            retcode=RetCode.AUTHENTICATION_ERROR
+            message='No authorization.',
+            code=RetCode.AUTHENTICATION_ERROR
         )
     try:
         e, doc = DocumentService.get_by_id(req["doc_id"])
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         if pathlib.Path(req["name"].lower()).suffix != pathlib.Path(
                 doc.name.lower()).suffix:
             return get_json_result(
                 data=False,
-                retmsg="The extension of file can't be changed",
-                retcode=RetCode.ARGUMENT_ERROR)
+                message="The extension of file can't be changed",
+                code=RetCode.ARGUMENT_ERROR)
         for d in DocumentService.query(name=req["name"], kb_id=doc.kb_id):
             if d.name == req["name"]:
                 return get_data_error_result(
-                    retmsg="Duplicated document name in the same knowledgebase.")
+                    message="Duplicated document name in the same knowledgebase.")
 
         if not DocumentService.update_by_id(
                 req["doc_id"], {"name": req["name"]}):
             return get_data_error_result(
-                retmsg="Database error (Document rename)!")
+                message="Database error (Document rename)!")
 
         informs = File2DocumentService.get_by_document_id(req["doc_id"])
         if informs:
@@ -428,7 +428,7 @@ def get(doc_id):
     try:
         e, doc = DocumentService.get_by_id(doc_id)
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
 
         b, n = File2DocumentService.get_storage_address(doc_id=doc_id)
         response = flask.make_response(STORAGE_IMPL.get(b, n))
@@ -456,13 +456,13 @@ def change_parser():
     if not DocumentService.accessible(req["doc_id"], current_user.id):
         return get_json_result(
             data=False,
-            retmsg='No authorization.',
-            retcode=RetCode.AUTHENTICATION_ERROR
+            message='No authorization.',
+            code=RetCode.AUTHENTICATION_ERROR
         )
     try:
         e, doc = DocumentService.get_by_id(req["doc_id"])
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         if doc.parser_id.lower() == req["parser_id"].lower():
             if "parser_config" in req:
                 if req["parser_config"] == doc.parser_config:
@@ -473,23 +473,23 @@ def change_parser():
         if ((doc.type == FileType.VISUAL and req["parser_id"] != "picture")
                 or (re.search(
                     r"\.(ppt|pptx|pages)$", doc.name) and req["parser_id"] != "presentation")):
-            return get_data_error_result(retmsg="Not supported yet!")
+            return get_data_error_result(message="Not supported yet!")
 
         e = DocumentService.update_by_id(doc.id,
                                          {"parser_id": req["parser_id"], "progress": 0, "progress_msg": "",
                                           "run": TaskStatus.UNSTART.value})
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         if "parser_config" in req:
             DocumentService.update_parser_config(doc.id, req["parser_config"])
         if doc.token_num > 0:
             e = DocumentService.increment_chunk_num(doc.id, doc.kb_id, doc.token_num * -1, doc.chunk_num * -1,
                                                     doc.process_duation * -1)
             if not e:
-                return get_data_error_result(retmsg="Document not found!")
+                return get_data_error_result(message="Document not found!")
             tenant_id = DocumentService.get_tenant_id(req["doc_id"])
             if not tenant_id:
-                return get_data_error_result(retmsg="Tenant not found!")
+                return get_data_error_result(message="Tenant not found!")
             ELASTICSEARCH.deleteByQuery(
                 Q("match", doc_id=doc.id), idxnm=search.index_name(tenant_id))
 
@@ -516,13 +516,13 @@ def get_image(image_id):
 def upload_and_parse():
     if 'file' not in request.files:
         return get_json_result(
-            data=False, retmsg='No file part!', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='No file part!', code=RetCode.ARGUMENT_ERROR)
 
     file_objs = request.files.getlist('file')
     for file_obj in file_objs:
         if file_obj.filename == '':
             return get_json_result(
-                data=False, retmsg='No file selected!', retcode=RetCode.ARGUMENT_ERROR)
+                data=False, message='No file selected!', code=RetCode.ARGUMENT_ERROR)
 
     doc_ids = doc_upload_and_parse(request.form.get("conversation_id"), file_objs, current_user.id)
 
diff --git a/api/apps/file2document_app.py b/api/apps/file2document_app.py
index 1e4b2c9ad3fe2056d490cf9eaad3af749e4499f3..97209b78033cc331991dcf52baf15abe2a785e68 100644
--- a/api/apps/file2document_app.py
+++ b/api/apps/file2document_app.py
@@ -13,9 +13,7 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License
 #
-from elasticsearch_dsl import Q
 
-from api.db.db_models import File2Document
 from api.db.services.file2document_service import File2DocumentService
 from api.db.services.file_service import FileService
 
@@ -28,8 +26,6 @@ from api.db import FileType
 from api.db.services.document_service import DocumentService
 from api.settings import RetCode
 from api.utils.api_utils import get_json_result
-from rag.nlp import search
-from rag.utils.es_conn import ELASTICSEARCH
 
 
 @manager.route('/convert', methods=['POST'])
@@ -54,13 +50,13 @@ def convert():
                     doc_id = inform.document_id
                     e, doc = DocumentService.get_by_id(doc_id)
                     if not e:
-                        return get_data_error_result(retmsg="Document not found!")
+                        return get_data_error_result(message="Document not found!")
                     tenant_id = DocumentService.get_tenant_id(doc_id)
                     if not tenant_id:
-                        return get_data_error_result(retmsg="Tenant not found!")
+                        return get_data_error_result(message="Tenant not found!")
                     if not DocumentService.remove_document(doc, tenant_id):
                         return get_data_error_result(
-                            retmsg="Database error (Document removal)!")
+                            message="Database error (Document removal)!")
                 File2DocumentService.delete_by_file_id(id)
 
                 # insert
@@ -68,11 +64,11 @@ def convert():
                     e, kb = KnowledgebaseService.get_by_id(kb_id)
                     if not e:
                         return get_data_error_result(
-                            retmsg="Can't find this knowledgebase!")
+                            message="Can't find this knowledgebase!")
                     e, file = FileService.get_by_id(id)
                     if not e:
                         return get_data_error_result(
-                            retmsg="Can't find this file!")
+                            message="Can't find this file!")
 
                     doc = DocumentService.insert({
                         "id": get_uuid(),
@@ -104,26 +100,26 @@ def rm():
     file_ids = req["file_ids"]
     if not file_ids:
         return get_json_result(
-            data=False, retmsg='Lack of "Files ID"', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='Lack of "Files ID"', code=RetCode.ARGUMENT_ERROR)
     try:
         for file_id in file_ids:
             informs = File2DocumentService.get_by_file_id(file_id)
             if not informs:
-                return get_data_error_result(retmsg="Inform not found!")
+                return get_data_error_result(message="Inform not found!")
             for inform in informs:
                 if not inform:
-                    return get_data_error_result(retmsg="Inform not found!")
+                    return get_data_error_result(message="Inform not found!")
                 File2DocumentService.delete_by_file_id(file_id)
                 doc_id = inform.document_id
                 e, doc = DocumentService.get_by_id(doc_id)
                 if not e:
-                    return get_data_error_result(retmsg="Document not found!")
+                    return get_data_error_result(message="Document not found!")
                 tenant_id = DocumentService.get_tenant_id(doc_id)
                 if not tenant_id:
-                    return get_data_error_result(retmsg="Tenant not found!")
+                    return get_data_error_result(message="Tenant not found!")
                 if not DocumentService.remove_document(doc, tenant_id):
                     return get_data_error_result(
-                        retmsg="Database error (Document removal)!")
+                        message="Database error (Document removal)!")
         return get_json_result(data=True)
     except Exception as e:
         return server_error_response(e)
diff --git a/api/apps/file_app.py b/api/apps/file_app.py
index 4f4b44af98f3992e5f4573dc3e87b696075453eb..318a98fc7777af49b1b595f0d78f84afdf2bf70c 100644
--- a/api/apps/file_app.py
+++ b/api/apps/file_app.py
@@ -18,7 +18,6 @@ import pathlib
 import re
 
 import flask
-from elasticsearch_dsl import Q
 from flask import request
 from flask_login import login_required, current_user
 
@@ -32,8 +31,6 @@ from api.db.services.file_service import FileService
 from api.settings import RetCode
 from api.utils.api_utils import get_json_result
 from api.utils.file_utils import filename_type
-from rag.nlp import search
-from rag.utils.es_conn import ELASTICSEARCH
 from rag.utils.storage_factory import STORAGE_IMPL
 
 
@@ -49,24 +46,24 @@ def upload():
 
     if 'file' not in request.files:
         return get_json_result(
-            data=False, retmsg='No file part!', retcode=RetCode.ARGUMENT_ERROR)
+            data=False, message='No file part!', code=RetCode.ARGUMENT_ERROR)
     file_objs = request.files.getlist('file')
 
     for file_obj in file_objs:
         if file_obj.filename == '':
             return get_json_result(
-                data=False, retmsg='No file selected!', retcode=RetCode.ARGUMENT_ERROR)
+                data=False, message='No file selected!', code=RetCode.ARGUMENT_ERROR)
     file_res = []
     try:
         for file_obj in file_objs:
             e, file = FileService.get_by_id(pf_id)
             if not e:
                 return get_data_error_result(
-                    retmsg="Can't find this folder!")
+                    message="Can't find this folder!")
             MAX_FILE_NUM_PER_USER = int(os.environ.get('MAX_FILE_NUM_PER_USER', 0))
             if MAX_FILE_NUM_PER_USER > 0 and DocumentService.get_doc_count(current_user.id) >= MAX_FILE_NUM_PER_USER:
                 return get_data_error_result(
-                    retmsg="Exceed the maximum file number of a free user!")
+                    message="Exceed the maximum file number of a free user!")
 
             # split file name path
             if not file_obj.filename:
@@ -85,13 +82,13 @@ def upload():
             if file_len != len_id_list:
                 e, file = FileService.get_by_id(file_id_list[len_id_list - 1])
                 if not e:
-                    return get_data_error_result(retmsg="Folder not found!")
+                    return get_data_error_result(message="Folder not found!")
                 last_folder = FileService.create_folder(file, file_id_list[len_id_list - 1], file_obj_names,
                                                         len_id_list)
             else:
                 e, file = FileService.get_by_id(file_id_list[len_id_list - 2])
                 if not e:
-                    return get_data_error_result(retmsg="Folder not found!")
+                    return get_data_error_result(message="Folder not found!")
                 last_folder = FileService.create_folder(file, file_id_list[len_id_list - 2], file_obj_names,
                                                         len_id_list)
 
@@ -137,10 +134,10 @@ def create():
     try:
         if not FileService.is_parent_folder_exist(pf_id):
             return get_json_result(
-                data=False, retmsg="Parent Folder Doesn't Exist!", retcode=RetCode.OPERATING_ERROR)
+                data=False, message="Parent Folder Doesn't Exist!", code=RetCode.OPERATING_ERROR)
         if FileService.query(name=req["name"], parent_id=pf_id):
             return get_data_error_result(
-                retmsg="Duplicated folder name in the same folder.")
+                message="Duplicated folder name in the same folder.")
 
         if input_file_type == FileType.FOLDER.value:
             file_type = FileType.FOLDER.value
@@ -181,14 +178,14 @@ def list_files():
     try:
         e, file = FileService.get_by_id(pf_id)
         if not e:
-            return get_data_error_result(retmsg="Folder not found!")
+            return get_data_error_result(message="Folder not found!")
 
         files, total = FileService.get_by_pf_id(
             current_user.id, pf_id, page_number, items_per_page, orderby, desc, keywords)
 
         parent_folder = FileService.get_parent_folder(pf_id)
         if not FileService.get_parent_folder(pf_id):
-            return get_json_result(retmsg="File not found!")
+            return get_json_result(message="File not found!")
 
         return get_json_result(data={"total": total, "files": files, "parent_folder": parent_folder.to_json()})
     except Exception as e:
@@ -212,7 +209,7 @@ def get_parent_folder():
     try:
         e, file = FileService.get_by_id(file_id)
         if not e:
-            return get_data_error_result(retmsg="Folder not found!")
+            return get_data_error_result(message="Folder not found!")
 
         parent_folder = FileService.get_parent_folder(file_id)
         return get_json_result(data={"parent_folder": parent_folder.to_json()})
@@ -227,7 +224,7 @@ def get_all_parent_folders():
     try:
         e, file = FileService.get_by_id(file_id)
         if not e:
-            return get_data_error_result(retmsg="Folder not found!")
+            return get_data_error_result(message="Folder not found!")
 
         parent_folders = FileService.get_all_parent_folders(file_id)
         parent_folders_res = []
@@ -248,9 +245,9 @@ def rm():
         for file_id in file_ids:
             e, file = FileService.get_by_id(file_id)
             if not e:
-                return get_data_error_result(retmsg="File or Folder not found!")
+                return get_data_error_result(message="File or Folder not found!")
             if not file.tenant_id:
-                return get_data_error_result(retmsg="Tenant not found!")
+                return get_data_error_result(message="Tenant not found!")
             if file.source_type == FileSource.KNOWLEDGEBASE:
                 continue
 
@@ -259,13 +256,13 @@ def rm():
                 for inner_file_id in file_id_list:
                     e, file = FileService.get_by_id(inner_file_id)
                     if not e:
-                        return get_data_error_result(retmsg="File not found!")
+                        return get_data_error_result(message="File not found!")
                     STORAGE_IMPL.rm(file.parent_id, file.location)
                 FileService.delete_folder_by_pf_id(current_user.id, file_id)
             else:
                 if not FileService.delete(file):
                     return get_data_error_result(
-                        retmsg="Database error (File removal)!")
+                        message="Database error (File removal)!")
 
             # delete file2document
             informs = File2DocumentService.get_by_file_id(file_id)
@@ -273,13 +270,13 @@ def rm():
                 doc_id = inform.document_id
                 e, doc = DocumentService.get_by_id(doc_id)
                 if not e:
-                    return get_data_error_result(retmsg="Document not found!")
+                    return get_data_error_result(message="Document not found!")
                 tenant_id = DocumentService.get_tenant_id(doc_id)
                 if not tenant_id:
-                    return get_data_error_result(retmsg="Tenant not found!")
+                    return get_data_error_result(message="Tenant not found!")
                 if not DocumentService.remove_document(doc, tenant_id):
                     return get_data_error_result(
-                        retmsg="Database error (Document removal)!")
+                        message="Database error (Document removal)!")
             File2DocumentService.delete_by_file_id(file_id)
 
         return get_json_result(data=True)
@@ -295,30 +292,30 @@ def rename():
     try:
         e, file = FileService.get_by_id(req["file_id"])
         if not e:
-            return get_data_error_result(retmsg="File not found!")
+            return get_data_error_result(message="File not found!")
         if file.type != FileType.FOLDER.value \
             and pathlib.Path(req["name"].lower()).suffix != pathlib.Path(
                 file.name.lower()).suffix:
             return get_json_result(
                 data=False,
-                retmsg="The extension of file can't be changed",
-                retcode=RetCode.ARGUMENT_ERROR)
+                message="The extension of file can't be changed",
+                code=RetCode.ARGUMENT_ERROR)
         for file in FileService.query(name=req["name"], pf_id=file.parent_id):
             if file.name == req["name"]:
                 return get_data_error_result(
-                    retmsg="Duplicated file name in the same folder.")
+                    message="Duplicated file name in the same folder.")
 
         if not FileService.update_by_id(
                 req["file_id"], {"name": req["name"]}):
             return get_data_error_result(
-                retmsg="Database error (File rename)!")
+                message="Database error (File rename)!")
 
         informs = File2DocumentService.get_by_file_id(req["file_id"])
         if informs:
             if not DocumentService.update_by_id(
                     informs[0].document_id, {"name": req["name"]}):
                 return get_data_error_result(
-                    retmsg="Database error (Document rename)!")
+                    message="Database error (Document rename)!")
 
         return get_json_result(data=True)
     except Exception as e:
@@ -331,7 +328,7 @@ def get(file_id):
     try:
         e, file = FileService.get_by_id(file_id)
         if not e:
-            return get_data_error_result(retmsg="Document not found!")
+            return get_data_error_result(message="Document not found!")
         b, n = File2DocumentService.get_storage_address(file_id=file_id)
         response = flask.make_response(STORAGE_IMPL.get(b, n))
         ext = re.search(r"\.([^.]+)$", file.name)
@@ -359,12 +356,12 @@ def move():
         for file_id in file_ids:
             e, file = FileService.get_by_id(file_id)
             if not e:
-                return get_data_error_result(retmsg="File or Folder not found!")
+                return get_data_error_result(message="File or Folder not found!")
             if not file.tenant_id:
-                return get_data_error_result(retmsg="Tenant not found!")
+                return get_data_error_result(message="Tenant not found!")
         fe, _ = FileService.get_by_id(parent_id)
         if not fe:
-            return get_data_error_result(retmsg="Parent Folder not found!")
+            return get_data_error_result(message="Parent Folder not found!")
         FileService.move_file(file_ids, parent_id)
         return get_json_result(data=True)
     except Exception as e:
diff --git a/api/apps/kb_app.py b/api/apps/kb_app.py
index 551e7867ed6dc6c863c93315ca140c90e2cc7b3f..7807550cd7e9e7ec1c88cdc5a743661b3772ce24 100644
--- a/api/apps/kb_app.py
+++ b/api/apps/kb_app.py
@@ -47,7 +47,7 @@ def create():
         req["created_by"] = current_user.id
         e, t = TenantService.get_by_id(current_user.id)
         if not e:
-            return get_data_error_result(retmsg="Tenant not found.")
+            return get_data_error_result(message="Tenant not found.")
         req["embd_id"] = t.embd_id
         if not KnowledgebaseService.save(**req):
             return get_data_error_result()
@@ -65,24 +65,24 @@ def update():
     if not KnowledgebaseService.accessible4deletion(req["kb_id"], current_user.id):
         return get_json_result(
             data=False,
-            retmsg='No authorization.',
-            retcode=RetCode.AUTHENTICATION_ERROR
+            message='No authorization.',
+            code=RetCode.AUTHENTICATION_ERROR
         )
     try:
         if not KnowledgebaseService.query(
                 created_by=current_user.id, id=req["kb_id"]):
             return get_json_result(
-                data=False, retmsg=f'Only owner of knowledgebase authorized for this operation.', retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of knowledgebase authorized for this operation.', code=RetCode.OPERATING_ERROR)
 
         e, kb = KnowledgebaseService.get_by_id(req["kb_id"])
         if not e:
             return get_data_error_result(
-                retmsg="Can't find this knowledgebase!")
+                message="Can't find this knowledgebase!")
 
         if req["name"].lower() != kb.name.lower() \
                 and len(KnowledgebaseService.query(name=req["name"], tenant_id=current_user.id, status=StatusEnum.VALID.value)) > 1:
             return get_data_error_result(
-                retmsg="Duplicated knowledgebase name.")
+                message="Duplicated knowledgebase name.")
 
         del req["kb_id"]
         if not KnowledgebaseService.update_by_id(kb.id, req):
@@ -91,7 +91,7 @@ def update():
         e, kb = KnowledgebaseService.get_by_id(kb.id)
         if not e:
             return get_data_error_result(
-                retmsg="Database error (Knowledgebase rename)!")
+                message="Database error (Knowledgebase rename)!")
 
         return get_json_result(data=kb.to_json())
     except Exception as e:
@@ -110,12 +110,12 @@ def detail():
                 break
         else:
             return get_json_result(
-                data=False, retmsg=f'Only owner of knowledgebase authorized for this operation.',
-                retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of knowledgebase authorized for this operation.',
+                code=RetCode.OPERATING_ERROR)
         kb = KnowledgebaseService.get_detail(kb_id)
         if not kb:
             return get_data_error_result(
-                retmsg="Can't find this knowledgebase!")
+                message="Can't find this knowledgebase!")
         return get_json_result(data=kb)
     except Exception as e:
         return server_error_response(e)
@@ -145,27 +145,27 @@ def rm():
     if not KnowledgebaseService.accessible4deletion(req["kb_id"], current_user.id):
         return get_json_result(
             data=False,
-            retmsg='No authorization.',
-            retcode=RetCode.AUTHENTICATION_ERROR
+            message='No authorization.',
+            code=RetCode.AUTHENTICATION_ERROR
         )
     try:
         kbs = KnowledgebaseService.query(
                 created_by=current_user.id, id=req["kb_id"])
         if not kbs:
             return get_json_result(
-                data=False, retmsg=f'Only owner of knowledgebase authorized for this operation.', retcode=RetCode.OPERATING_ERROR)
+                data=False, message='Only owner of knowledgebase authorized for this operation.', code=RetCode.OPERATING_ERROR)
 
         for doc in DocumentService.query(kb_id=req["kb_id"]):
             if not DocumentService.remove_document(doc, kbs[0].tenant_id):
                 return get_data_error_result(
-                    retmsg="Database error (Document removal)!")
+                    message="Database error (Document removal)!")
             f2d = File2DocumentService.get_by_document_id(doc.id)
             FileService.filter_delete([File.source_type == FileSource.KNOWLEDGEBASE, File.id == f2d[0].file_id])
             File2DocumentService.delete_by_document_id(doc.id)
 
         if not KnowledgebaseService.delete_by_id(req["kb_id"]):
             return get_data_error_result(
-                retmsg="Database error (Knowledgebase removal)!")
+                message="Database error (Knowledgebase removal)!")
         return get_json_result(data=True)
     except Exception as e:
         return server_error_response(e)
diff --git a/api/apps/llm_app.py b/api/apps/llm_app.py
index 7209789630b84e135ef9d9f023c4b746ec7458b9..74b3e71383d19aaa110f26d9f87423df694172ed 100644
--- a/api/apps/llm_app.py
+++ b/api/apps/llm_app.py
@@ -98,7 +98,7 @@ def set_api_key():
             break
 
     if msg:
-        return get_data_error_result(retmsg=msg)
+        return get_data_error_result(message=msg)
 
     llm_config = {
         "api_key": req["api_key"],
@@ -278,7 +278,7 @@ def add_llm():
         pass
 
     if msg:
-        return get_data_error_result(retmsg=msg)
+        return get_data_error_result(message=msg)
 
     if not TenantLLMService.filter_update(
             [TenantLLM.tenant_id == current_user.id, TenantLLM.llm_factory == factory, TenantLLM.llm_name == llm["llm_name"]], llm):
diff --git a/api/apps/sdk/chat.py b/api/apps/sdk/chat.py
index 9d0c0892016a7ed98dba7cf102c74416352b95cd..048828832aeb39a27760db6b76f15daba980c3f6 100644
--- a/api/apps/sdk/chat.py
+++ b/api/apps/sdk/chat.py
@@ -32,7 +32,7 @@ def create(tenant_id):
     req=request.json
     ids= req.get("dataset_ids")
     if not ids:
-        return get_error_data_result(retmsg="`dataset_ids` is required")
+        return get_error_data_result(message="`dataset_ids` is required")
     for kb_id in ids:
         kbs = KnowledgebaseService.query(id=kb_id,tenant_id=tenant_id)
         if not kbs:
@@ -43,7 +43,7 @@ def create(tenant_id):
     kbs = KnowledgebaseService.get_by_ids(ids)
     embd_count = list(set([kb.embd_id for kb in kbs]))
     if len(embd_count) != 1:
-        return get_result(retmsg='Datasets use different embedding models."',retcode=RetCode.AUTHENTICATION_ERROR)
+        return get_result(message='Datasets use different embedding models."',code=RetCode.AUTHENTICATION_ERROR)
     req["kb_ids"] = ids
     # llm
     llm = req.get("llm")
@@ -55,7 +55,7 @@ def create(tenant_id):
         req["llm_setting"] = req.pop("llm")
     e, tenant = TenantService.get_by_id(tenant_id)
     if not e:
-        return get_error_data_result(retmsg="Tenant not found!")
+        return get_error_data_result(message="Tenant not found!")
     # prompt
     prompt = req.get("prompt")
     key_mapping = {"parameters": "variables",
@@ -86,12 +86,12 @@ def create(tenant_id):
     if not req.get("llm_id"):
         req["llm_id"] = tenant.llm_id
     if not req.get("name"):
-        return get_error_data_result(retmsg="`name` is required.")
+        return get_error_data_result(message="`name` is required.")
     if DialogService.query(name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value):
-        return get_error_data_result(retmsg="Duplicated chat name in creating chat.")
+        return get_error_data_result(message="Duplicated chat name in creating chat.")
     # tenant_id
     if req.get("tenant_id"):
-        return get_error_data_result(retmsg="`tenant_id` must not be provided.")
+        return get_error_data_result(message="`tenant_id` must not be provided.")
     req["tenant_id"] = tenant_id
     # prompt more parameter
     default_prompt = {
@@ -117,14 +117,14 @@ def create(tenant_id):
             continue
         if req['prompt_config']["system"].find("{%s}" % p["key"]) < 0:
             return get_error_data_result(
-                retmsg="Parameter '{}' is not used".format(p["key"]))
+                message="Parameter '{}' is not used".format(p["key"]))
     # save
     if not DialogService.save(**req):
-        return get_error_data_result(retmsg="Fail to new a chat!")
+        return get_error_data_result(message="Fail to new a chat!")
     # response
     e, res = DialogService.get_by_id(req["id"])
     if not e:
-        return get_error_data_result(retmsg="Fail to new a chat!")
+        return get_error_data_result(message="Fail to new a chat!")
     res = res.to_json()
     renamed_dict = {}
     for key, value in res["prompt_config"].items():
@@ -150,7 +150,7 @@ def create(tenant_id):
 @token_required
 def update(tenant_id,chat_id):
     if not DialogService.query(tenant_id=tenant_id, id=chat_id, status=StatusEnum.VALID.value):
-        return get_error_data_result(retmsg='You do not own the chat')
+        return get_error_data_result(message='You do not own the chat')
     req =request.json
     ids = req.get("dataset_ids")
     if "show_quotation" in req:
@@ -170,8 +170,8 @@ def update(tenant_id,chat_id):
             embd_count=list(set([kb.embd_id for kb in kbs]))
             if len(embd_count) != 1 :
                 return get_result(
-                    retmsg='Datasets use different embedding models."',
-                    retcode=RetCode.AUTHENTICATION_ERROR)
+                    message='Datasets use different embedding models."',
+                    code=RetCode.AUTHENTICATION_ERROR)
             req["kb_ids"] = ids
     llm = req.get("llm")
     if llm:
@@ -182,7 +182,7 @@ def update(tenant_id,chat_id):
         req["llm_setting"] = req.pop("llm")
     e, tenant = TenantService.get_by_id(tenant_id)
     if not e:
-        return get_error_data_result(retmsg="Tenant not found!")
+        return get_error_data_result(message="Tenant not found!")
     if req.get("rerank_model"):
         if not TenantLLMService.query(tenant_id=tenant_id,llm_name=req.get("rerank_model"),model_type="rerank"):
             return get_error_data_result(f"`rerank_model` {req.get('rerank_model')} doesn't exist")
@@ -207,18 +207,18 @@ def update(tenant_id,chat_id):
     res = res.to_json()
     if "name" in req:
         if not req.get("name"):
-            return get_error_data_result(retmsg="`name` is not empty.")
+            return get_error_data_result(message="`name` is not empty.")
         if req["name"].lower() != res["name"].lower() \
                 and len(
             DialogService.query(name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value)) > 0:
-            return get_error_data_result(retmsg="Duplicated chat name in updating dataset.")
+            return get_error_data_result(message="Duplicated chat name in updating dataset.")
     if "prompt_config" in req:
         res["prompt_config"].update(req["prompt_config"])
         for p in res["prompt_config"]["parameters"]:
             if p["optional"]:
                 continue
             if res["prompt_config"]["system"].find("{%s}" % p["key"]) < 0:
-                return get_error_data_result(retmsg="Parameter '{}' is not used".format(p["key"]))
+                return get_error_data_result(message="Parameter '{}' is not used".format(p["key"]))
     if "llm_setting" in req:
         res["llm_setting"].update(req["llm_setting"])
     req["prompt_config"] = res["prompt_config"]
@@ -229,7 +229,7 @@ def update(tenant_id,chat_id):
     if "dataset_ids" in req:
         req.pop("dataset_ids")
     if not DialogService.update_by_id(chat_id, req):
-        return get_error_data_result(retmsg="Chat not found!")
+        return get_error_data_result(message="Chat not found!")
     return get_result()
 
 
@@ -250,7 +250,7 @@ def delete(tenant_id):
         id_list=ids
     for id in id_list:
         if not DialogService.query(tenant_id=tenant_id, id=id, status=StatusEnum.VALID.value):
-            return get_error_data_result(retmsg=f"You don't own the chat {id}")
+            return get_error_data_result(message=f"You don't own the chat {id}")
         temp_dict = {"status": StatusEnum.INVALID.value}
         DialogService.update_by_id(id, temp_dict)
     return get_result()
@@ -262,7 +262,7 @@ def list_chat(tenant_id):
     name = request.args.get("name")
     chat = DialogService.query(id=id,name=name,status=StatusEnum.VALID.value)
     if not chat:
-        return get_error_data_result(retmsg="The chat doesn't exist")
+        return get_error_data_result(message="The chat doesn't exist")
     page_number = int(request.args.get("page", 1))
     items_per_page = int(request.args.get("page_size", 1024))
     orderby = request.args.get("orderby", "create_time")
@@ -302,7 +302,7 @@ def list_chat(tenant_id):
         for kb_id in res["kb_ids"]:
             kb = KnowledgebaseService.query(id=kb_id)
             if not kb :
-                return get_error_data_result(retmsg=f"Don't exist the kb {kb_id}")
+                return get_error_data_result(message=f"Don't exist the kb {kb_id}")
             kb_list.append(kb[0].to_json())
         del res["kb_ids"]
         res["datasets"] = kb_list
diff --git a/api/apps/sdk/dataset.py b/api/apps/sdk/dataset.py
index c00343f3836857781f9c89474c5280e9d043eb45..9278aeb743c8c7b58bff53d3c3b0a5ec4a3840f1 100644
--- a/api/apps/sdk/dataset.py
+++ b/api/apps/sdk/dataset.py
@@ -1,535 +1,535 @@
-#
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#
-
-from flask import request
-from api.db import StatusEnum, FileSource
-from api.db.db_models import File
-from api.db.services.document_service import DocumentService
-from api.db.services.file2document_service import File2DocumentService
-from api.db.services.file_service import FileService
-from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.db.services.llm_service import TenantLLMService, LLMService
-from api.db.services.user_service import TenantService
-from api.settings import RetCode
-from api.utils import get_uuid
-from api.utils.api_utils import (
-    get_result,
-    token_required,
-    get_error_data_result,
-    valid,
-    get_parser_config,
-)
-
-
-@manager.route("/datasets", methods=["POST"])
-@token_required
-def create(tenant_id):
-    """
-    Create a new dataset.
-    ---
-    tags:
-      - Datasets
-    security:
-      - ApiKeyAuth: []
-    parameters:
-      - in: header
-        name: Authorization
-        type: string
-        required: true
-        description: Bearer token for authentication.
-      - in: body
-        name: body
-        description: Dataset creation parameters.
-        required: true
-        schema:
-          type: object
-          required:
-            - name
-          properties:
-            name:
-              type: string
-              description: Name of the dataset.
-            permission:
-              type: string
-              enum: ['me', 'team']
-              description: Dataset permission.
-            language:
-              type: string
-              enum: ['Chinese', 'English']
-              description: Language of the dataset.
-            chunk_method:
-              type: string
-              enum: ["naive", "manual", "qa", "table", "paper", "book", "laws",
-                     "presentation", "picture", "one", "knowledge_graph", "email"]
-              description: Chunking method.
-            parser_config:
-              type: object
-              description: Parser configuration.
-    responses:
-      200:
-        description: Successful operation.
-        schema:
-          type: object
-          properties:
-            data:
-              type: object
-    """
-    req = request.json
-    e, t = TenantService.get_by_id(tenant_id)
-    permission = req.get("permission")
-    language = req.get("language")
-    chunk_method = req.get("chunk_method")
-    parser_config = req.get("parser_config")
-    valid_permission = ["me", "team"]
-    valid_language = ["Chinese", "English"]
-    valid_chunk_method = [
-        "naive",
-        "manual",
-        "qa",
-        "table",
-        "paper",
-        "book",
-        "laws",
-        "presentation",
-        "picture",
-        "one",
-        "knowledge_graph",
-        "email",
-    ]
-    check_validation = valid(
-        permission,
-        valid_permission,
-        language,
-        valid_language,
-        chunk_method,
-        valid_chunk_method,
-    )
-    if check_validation:
-        return check_validation
-    req["parser_config"] = get_parser_config(chunk_method, parser_config)
-    if "tenant_id" in req:
-        return get_error_data_result(retmsg="`tenant_id` must not be provided")
-    if "chunk_count" in req or "document_count" in req:
-        return get_error_data_result(
-            retmsg="`chunk_count` or `document_count` must not be provided"
-        )
-    if "name" not in req:
-        return get_error_data_result(retmsg="`name` is not empty!")
-    req["id"] = get_uuid()
-    req["name"] = req["name"].strip()
-    if req["name"] == "":
-        return get_error_data_result(retmsg="`name` is not empty string!")
-    if KnowledgebaseService.query(
-        name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value
-    ):
-        return get_error_data_result(
-            retmsg="Duplicated dataset name in creating dataset."
-        )
-    req["tenant_id"] = req["created_by"] = tenant_id
-    if not req.get("embedding_model"):
-        req["embedding_model"] = t.embd_id
-    else:
-        valid_embedding_models = [
-            "BAAI/bge-large-zh-v1.5",
-            "BAAI/bge-base-en-v1.5",
-            "BAAI/bge-large-en-v1.5",
-            "BAAI/bge-small-en-v1.5",
-            "BAAI/bge-small-zh-v1.5",
-            "jinaai/jina-embeddings-v2-base-en",
-            "jinaai/jina-embeddings-v2-small-en",
-            "nomic-ai/nomic-embed-text-v1.5",
-            "sentence-transformers/all-MiniLM-L6-v2",
-            "text-embedding-v2",
-            "text-embedding-v3",
-            "maidalun1020/bce-embedding-base_v1",
-        ]
-        embd_model = LLMService.query(
-            llm_name=req["embedding_model"], model_type="embedding"
-        )
-        if not embd_model:
-            return get_error_data_result(
-                f"`embedding_model` {req.get('embedding_model')} doesn't exist"
-            )
-        if embd_model:
-            if req[
-                "embedding_model"
-            ] not in valid_embedding_models and not TenantLLMService.query(
-                tenant_id=tenant_id,
-                model_type="embedding",
-                llm_name=req.get("embedding_model"),
-            ):
-                return get_error_data_result(
-                    f"`embedding_model` {req.get('embedding_model')} doesn't exist"
-                )
-    key_mapping = {
-        "chunk_num": "chunk_count",
-        "doc_num": "document_count",
-        "parser_id": "chunk_method",
-        "embd_id": "embedding_model",
-    }
-    mapped_keys = {
-        new_key: req[old_key]
-        for new_key, old_key in key_mapping.items()
-        if old_key in req
-    }
-    req.update(mapped_keys)
-    if not KnowledgebaseService.save(**req):
-        return get_error_data_result(retmsg="Create dataset error.(Database error)")
-    renamed_data = {}
-    e, k = KnowledgebaseService.get_by_id(req["id"])
-    for key, value in k.to_dict().items():
-        new_key = key_mapping.get(key, key)
-        renamed_data[new_key] = value
-    return get_result(data=renamed_data)
-
-
-@manager.route("/datasets", methods=["DELETE"])
-@token_required
-def delete(tenant_id):
-    """
-    Delete datasets.
-    ---
-    tags:
-      - Datasets
-    security:
-      - ApiKeyAuth: []
-    parameters:
-      - in: header
-        name: Authorization
-        type: string
-        required: true
-        description: Bearer token for authentication.
-      - in: body
-        name: body
-        description: Dataset deletion parameters.
-        required: true
-        schema:
-          type: object
-          properties:
-            ids:
-              type: array
-              items:
-                type: string
-              description: List of dataset IDs to delete.
-    responses:
-      200:
-        description: Successful operation.
-        schema:
-          type: object
-    """
-    req = request.json
-    if not req:
-        ids = None
-    else:
-        ids = req.get("ids")
-    if not ids:
-        id_list = []
-        kbs = KnowledgebaseService.query(tenant_id=tenant_id)
-        for kb in kbs:
-            id_list.append(kb.id)
-    else:
-        id_list = ids
-    for id in id_list:
-        kbs = KnowledgebaseService.query(id=id, tenant_id=tenant_id)
-        if not kbs:
-            return get_error_data_result(retmsg=f"You don't own the dataset {id}")
-        for doc in DocumentService.query(kb_id=id):
-            if not DocumentService.remove_document(doc, tenant_id):
-                return get_error_data_result(
-                    retmsg="Remove document error.(Database error)"
-                )
-            f2d = File2DocumentService.get_by_document_id(doc.id)
-            FileService.filter_delete(
-                [
-                    File.source_type == FileSource.KNOWLEDGEBASE,
-                    File.id == f2d[0].file_id,
-                ]
-            )
-            File2DocumentService.delete_by_document_id(doc.id)
-        if not KnowledgebaseService.delete_by_id(id):
-            return get_error_data_result(retmsg="Delete dataset error.(Database error)")
-    return get_result(retcode=RetCode.SUCCESS)
-
-
-@manager.route("/datasets/<dataset_id>", methods=["PUT"])
-@token_required
-def update(tenant_id, dataset_id):
-    """
-    Update a dataset.
-    ---
-    tags:
-      - Datasets
-    security:
-      - ApiKeyAuth: []
-    parameters:
-      - in: path
-        name: dataset_id
-        type: string
-        required: true
-        description: ID of the dataset to update.
-      - in: header
-        name: Authorization
-        type: string
-        required: true
-        description: Bearer token for authentication.
-      - in: body
-        name: body
-        description: Dataset update parameters.
-        required: true
-        schema:
-          type: object
-          properties:
-            name:
-              type: string
-              description: New name of the dataset.
-            permission:
-              type: string
-              enum: ['me', 'team']
-              description: Updated permission.
-            language:
-              type: string
-              enum: ['Chinese', 'English']
-              description: Updated language.
-            chunk_method:
-              type: string
-              enum: ["naive", "manual", "qa", "table", "paper", "book", "laws",
-                     "presentation", "picture", "one", "knowledge_graph", "email"]
-              description: Updated chunking method.
-            parser_config:
-              type: object
-              description: Updated parser configuration.
-    responses:
-      200:
-        description: Successful operation.
-        schema:
-          type: object
-    """
-    if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg="You don't own the dataset")
-    req = request.json
-    e, t = TenantService.get_by_id(tenant_id)
-    invalid_keys = {"id", "embd_id", "chunk_num", "doc_num", "parser_id"}
-    if any(key in req for key in invalid_keys):
-        return get_error_data_result(retmsg="The input parameters are invalid.")
-    permission = req.get("permission")
-    language = req.get("language")
-    chunk_method = req.get("chunk_method")
-    parser_config = req.get("parser_config")
-    valid_permission = ["me", "team"]
-    valid_language = ["Chinese", "English"]
-    valid_chunk_method = [
-        "naive",
-        "manual",
-        "qa",
-        "table",
-        "paper",
-        "book",
-        "laws",
-        "presentation",
-        "picture",
-        "one",
-        "knowledge_graph",
-        "email",
-    ]
-    check_validation = valid(
-        permission,
-        valid_permission,
-        language,
-        valid_language,
-        chunk_method,
-        valid_chunk_method,
-    )
-    if check_validation:
-        return check_validation
-    if "tenant_id" in req:
-        if req["tenant_id"] != tenant_id:
-            return get_error_data_result(retmsg="Can't change `tenant_id`.")
-    e, kb = KnowledgebaseService.get_by_id(dataset_id)
-    if "parser_config" in req:
-        temp_dict = kb.parser_config
-        temp_dict.update(req["parser_config"])
-        req["parser_config"] = temp_dict
-    if "chunk_count" in req:
-        if req["chunk_count"] != kb.chunk_num:
-            return get_error_data_result(retmsg="Can't change `chunk_count`.")
-        req.pop("chunk_count")
-    if "document_count" in req:
-        if req["document_count"] != kb.doc_num:
-            return get_error_data_result(retmsg="Can't change `document_count`.")
-        req.pop("document_count")
-    if "chunk_method" in req:
-        if kb.chunk_num != 0 and req["chunk_method"] != kb.parser_id:
-            return get_error_data_result(
-                retmsg="If `chunk_count` is not 0, `chunk_method` is not changeable."
-            )
-        req["parser_id"] = req.pop("chunk_method")
-        if req["parser_id"] != kb.parser_id:
-            if not req.get("parser_config"):
-                req["parser_config"] = get_parser_config(chunk_method, parser_config)
-    if "embedding_model" in req:
-        if kb.chunk_num != 0 and req["embedding_model"] != kb.embd_id:
-            return get_error_data_result(
-                retmsg="If `chunk_count` is not 0, `embedding_model` is not changeable."
-            )
-        if not req.get("embedding_model"):
-            return get_error_data_result("`embedding_model` can't be empty")
-        valid_embedding_models = [
-            "BAAI/bge-large-zh-v1.5",
-            "BAAI/bge-base-en-v1.5",
-            "BAAI/bge-large-en-v1.5",
-            "BAAI/bge-small-en-v1.5",
-            "BAAI/bge-small-zh-v1.5",
-            "jinaai/jina-embeddings-v2-base-en",
-            "jinaai/jina-embeddings-v2-small-en",
-            "nomic-ai/nomic-embed-text-v1.5",
-            "sentence-transformers/all-MiniLM-L6-v2",
-            "text-embedding-v2",
-            "text-embedding-v3",
-            "maidalun1020/bce-embedding-base_v1",
-        ]
-        embd_model = LLMService.query(
-            llm_name=req["embedding_model"], model_type="embedding"
-        )
-        if not embd_model:
-            return get_error_data_result(
-                f"`embedding_model` {req.get('embedding_model')} doesn't exist"
-            )
-        if embd_model:
-            if req[
-                "embedding_model"
-            ] not in valid_embedding_models and not TenantLLMService.query(
-                tenant_id=tenant_id,
-                model_type="embedding",
-                llm_name=req.get("embedding_model"),
-            ):
-                return get_error_data_result(
-                    f"`embedding_model` {req.get('embedding_model')} doesn't exist"
-                )
-        req["embd_id"] = req.pop("embedding_model")
-    if "name" in req:
-        req["name"] = req["name"].strip()
-        if (
-            req["name"].lower() != kb.name.lower()
-            and len(
-                KnowledgebaseService.query(
-                    name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value
-                )
-            )
-            > 0
-        ):
-            return get_error_data_result(
-                retmsg="Duplicated dataset name in updating dataset."
-            )
-    if not KnowledgebaseService.update_by_id(kb.id, req):
-        return get_error_data_result(retmsg="Update dataset error.(Database error)")
-    return get_result(retcode=RetCode.SUCCESS)
-
-
-@manager.route("/datasets", methods=["GET"])
-@token_required
-def list(tenant_id):
-    """
-    List datasets.
-    ---
-    tags:
-      - Datasets
-    security:
-      - ApiKeyAuth: []
-    parameters:
-      - in: query
-        name: id
-        type: string
-        required: false
-        description: Dataset ID to filter.
-      - in: query
-        name: name
-        type: string
-        required: false
-        description: Dataset name to filter.
-      - in: query
-        name: page
-        type: integer
-        required: false
-        default: 1
-        description: Page number.
-      - in: query
-        name: page_size
-        type: integer
-        required: false
-        default: 1024
-        description: Number of items per page.
-      - in: query
-        name: orderby
-        type: string
-        required: false
-        default: "create_time"
-        description: Field to order by.
-      - in: query
-        name: desc
-        type: boolean
-        required: false
-        default: true
-        description: Order in descending.
-      - in: header
-        name: Authorization
-        type: string
-        required: true
-        description: Bearer token for authentication.
-    responses:
-      200:
-        description: Successful operation.
-        schema:
-          type: array
-          items:
-            type: object
-    """
-    id = request.args.get("id")
-    name = request.args.get("name")
-    kbs = KnowledgebaseService.query(id=id, name=name, status=1)
-    if not kbs:
-        return get_error_data_result(retmsg="The dataset doesn't exist")
-    page_number = int(request.args.get("page", 1))
-    items_per_page = int(request.args.get("page_size", 1024))
-    orderby = request.args.get("orderby", "create_time")
-    if request.args.get("desc") == "False" or request.args.get("desc") == "false":
-        desc = False
-    else:
-        desc = True
-    tenants = TenantService.get_joined_tenants_by_user_id(tenant_id)
-    kbs = KnowledgebaseService.get_list(
-        [m["tenant_id"] for m in tenants],
-        tenant_id,
-        page_number,
-        items_per_page,
-        orderby,
-        desc,
-        id,
-        name,
-    )
-    renamed_list = []
-    for kb in kbs:
-        key_mapping = {
-            "chunk_num": "chunk_count",
-            "doc_num": "document_count",
-            "parser_id": "chunk_method",
-            "embd_id": "embedding_model",
-        }
-        renamed_data = {}
-        for key, value in kb.items():
-            new_key = key_mapping.get(key, key)
-            renamed_data[new_key] = value
-        renamed_list.append(renamed_data)
-    return get_result(data=renamed_list)
+#
+#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+from flask import request
+from api.db import StatusEnum, FileSource
+from api.db.db_models import File
+from api.db.services.document_service import DocumentService
+from api.db.services.file2document_service import File2DocumentService
+from api.db.services.file_service import FileService
+from api.db.services.knowledgebase_service import KnowledgebaseService
+from api.db.services.llm_service import TenantLLMService, LLMService
+from api.db.services.user_service import TenantService
+from api.settings import RetCode
+from api.utils import get_uuid
+from api.utils.api_utils import (
+    get_result,
+    token_required,
+    get_error_data_result,
+    valid,
+    get_parser_config,
+)
+
+
+@manager.route("/datasets", methods=["POST"])
+@token_required
+def create(tenant_id):
+    """
+    Create a new dataset.
+    ---
+    tags:
+      - Datasets
+    security:
+      - ApiKeyAuth: []
+    parameters:
+      - in: header
+        name: Authorization
+        type: string
+        required: true
+        description: Bearer token for authentication.
+      - in: body
+        name: body
+        description: Dataset creation parameters.
+        required: true
+        schema:
+          type: object
+          required:
+            - name
+          properties:
+            name:
+              type: string
+              description: Name of the dataset.
+            permission:
+              type: string
+              enum: ['me', 'team']
+              description: Dataset permission.
+            language:
+              type: string
+              enum: ['Chinese', 'English']
+              description: Language of the dataset.
+            chunk_method:
+              type: string
+              enum: ["naive", "manual", "qa", "table", "paper", "book", "laws",
+                     "presentation", "picture", "one", "knowledge_graph", "email"]
+              description: Chunking method.
+            parser_config:
+              type: object
+              description: Parser configuration.
+    responses:
+      200:
+        description: Successful operation.
+        schema:
+          type: object
+          properties:
+            data:
+              type: object
+    """
+    req = request.json
+    e, t = TenantService.get_by_id(tenant_id)
+    permission = req.get("permission")
+    language = req.get("language")
+    chunk_method = req.get("chunk_method")
+    parser_config = req.get("parser_config")
+    valid_permission = ["me", "team"]
+    valid_language = ["Chinese", "English"]
+    valid_chunk_method = [
+        "naive",
+        "manual",
+        "qa",
+        "table",
+        "paper",
+        "book",
+        "laws",
+        "presentation",
+        "picture",
+        "one",
+        "knowledge_graph",
+        "email",
+    ]
+    check_validation = valid(
+        permission,
+        valid_permission,
+        language,
+        valid_language,
+        chunk_method,
+        valid_chunk_method,
+    )
+    if check_validation:
+        return check_validation
+    req["parser_config"] = get_parser_config(chunk_method, parser_config)
+    if "tenant_id" in req:
+        return get_error_data_result(message="`tenant_id` must not be provided")
+    if "chunk_count" in req or "document_count" in req:
+        return get_error_data_result(
+            message="`chunk_count` or `document_count` must not be provided"
+        )
+    if "name" not in req:
+        return get_error_data_result(message="`name` is not empty!")
+    req["id"] = get_uuid()
+    req["name"] = req["name"].strip()
+    if req["name"] == "":
+        return get_error_data_result(message="`name` is not empty string!")
+    if KnowledgebaseService.query(
+        name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value
+    ):
+        return get_error_data_result(
+            message="Duplicated dataset name in creating dataset."
+        )
+    req["tenant_id"] = req["created_by"] = tenant_id
+    if not req.get("embedding_model"):
+        req["embedding_model"] = t.embd_id
+    else:
+        valid_embedding_models = [
+            "BAAI/bge-large-zh-v1.5",
+            "BAAI/bge-base-en-v1.5",
+            "BAAI/bge-large-en-v1.5",
+            "BAAI/bge-small-en-v1.5",
+            "BAAI/bge-small-zh-v1.5",
+            "jinaai/jina-embeddings-v2-base-en",
+            "jinaai/jina-embeddings-v2-small-en",
+            "nomic-ai/nomic-embed-text-v1.5",
+            "sentence-transformers/all-MiniLM-L6-v2",
+            "text-embedding-v2",
+            "text-embedding-v3",
+            "maidalun1020/bce-embedding-base_v1",
+        ]
+        embd_model = LLMService.query(
+            llm_name=req["embedding_model"], model_type="embedding"
+        )
+        if not embd_model:
+            return get_error_data_result(
+                f"`embedding_model` {req.get('embedding_model')} doesn't exist"
+            )
+        if embd_model:
+            if req[
+                "embedding_model"
+            ] not in valid_embedding_models and not TenantLLMService.query(
+                tenant_id=tenant_id,
+                model_type="embedding",
+                llm_name=req.get("embedding_model"),
+            ):
+                return get_error_data_result(
+                    f"`embedding_model` {req.get('embedding_model')} doesn't exist"
+                )
+    key_mapping = {
+        "chunk_num": "chunk_count",
+        "doc_num": "document_count",
+        "parser_id": "chunk_method",
+        "embd_id": "embedding_model",
+    }
+    mapped_keys = {
+        new_key: req[old_key]
+        for new_key, old_key in key_mapping.items()
+        if old_key in req
+    }
+    req.update(mapped_keys)
+    if not KnowledgebaseService.save(**req):
+        return get_error_data_result(message="Create dataset error.(Database error)")
+    renamed_data = {}
+    e, k = KnowledgebaseService.get_by_id(req["id"])
+    for key, value in k.to_dict().items():
+        new_key = key_mapping.get(key, key)
+        renamed_data[new_key] = value
+    return get_result(data=renamed_data)
+
+
+@manager.route("/datasets", methods=["DELETE"])
+@token_required
+def delete(tenant_id):
+    """
+    Delete datasets.
+    ---
+    tags:
+      - Datasets
+    security:
+      - ApiKeyAuth: []
+    parameters:
+      - in: header
+        name: Authorization
+        type: string
+        required: true
+        description: Bearer token for authentication.
+      - in: body
+        name: body
+        description: Dataset deletion parameters.
+        required: true
+        schema:
+          type: object
+          properties:
+            ids:
+              type: array
+              items:
+                type: string
+              description: List of dataset IDs to delete.
+    responses:
+      200:
+        description: Successful operation.
+        schema:
+          type: object
+    """
+    req = request.json
+    if not req:
+        ids = None
+    else:
+        ids = req.get("ids")
+    if not ids:
+        id_list = []
+        kbs = KnowledgebaseService.query(tenant_id=tenant_id)
+        for kb in kbs:
+            id_list.append(kb.id)
+    else:
+        id_list = ids
+    for id in id_list:
+        kbs = KnowledgebaseService.query(id=id, tenant_id=tenant_id)
+        if not kbs:
+            return get_error_data_result(message=f"You don't own the dataset {id}")
+        for doc in DocumentService.query(kb_id=id):
+            if not DocumentService.remove_document(doc, tenant_id):
+                return get_error_data_result(
+                    message="Remove document error.(Database error)"
+                )
+            f2d = File2DocumentService.get_by_document_id(doc.id)
+            FileService.filter_delete(
+                [
+                    File.source_type == FileSource.KNOWLEDGEBASE,
+                    File.id == f2d[0].file_id,
+                ]
+            )
+            File2DocumentService.delete_by_document_id(doc.id)
+        if not KnowledgebaseService.delete_by_id(id):
+            return get_error_data_result(message="Delete dataset error.(Database error)")
+    return get_result(code=RetCode.SUCCESS)
+
+
+@manager.route("/datasets/<dataset_id>", methods=["PUT"])
+@token_required
+def update(tenant_id, dataset_id):
+    """
+    Update a dataset.
+    ---
+    tags:
+      - Datasets
+    security:
+      - ApiKeyAuth: []
+    parameters:
+      - in: path
+        name: dataset_id
+        type: string
+        required: true
+        description: ID of the dataset to update.
+      - in: header
+        name: Authorization
+        type: string
+        required: true
+        description: Bearer token for authentication.
+      - in: body
+        name: body
+        description: Dataset update parameters.
+        required: true
+        schema:
+          type: object
+          properties:
+            name:
+              type: string
+              description: New name of the dataset.
+            permission:
+              type: string
+              enum: ['me', 'team']
+              description: Updated permission.
+            language:
+              type: string
+              enum: ['Chinese', 'English']
+              description: Updated language.
+            chunk_method:
+              type: string
+              enum: ["naive", "manual", "qa", "table", "paper", "book", "laws",
+                     "presentation", "picture", "one", "knowledge_graph", "email"]
+              description: Updated chunking method.
+            parser_config:
+              type: object
+              description: Updated parser configuration.
+    responses:
+      200:
+        description: Successful operation.
+        schema:
+          type: object
+    """
+    if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
+        return get_error_data_result(message="You don't own the dataset")
+    req = request.json
+    e, t = TenantService.get_by_id(tenant_id)
+    invalid_keys = {"id", "embd_id", "chunk_num", "doc_num", "parser_id"}
+    if any(key in req for key in invalid_keys):
+        return get_error_data_result(message="The input parameters are invalid.")
+    permission = req.get("permission")
+    language = req.get("language")
+    chunk_method = req.get("chunk_method")
+    parser_config = req.get("parser_config")
+    valid_permission = ["me", "team"]
+    valid_language = ["Chinese", "English"]
+    valid_chunk_method = [
+        "naive",
+        "manual",
+        "qa",
+        "table",
+        "paper",
+        "book",
+        "laws",
+        "presentation",
+        "picture",
+        "one",
+        "knowledge_graph",
+        "email",
+    ]
+    check_validation = valid(
+        permission,
+        valid_permission,
+        language,
+        valid_language,
+        chunk_method,
+        valid_chunk_method,
+    )
+    if check_validation:
+        return check_validation
+    if "tenant_id" in req:
+        if req["tenant_id"] != tenant_id:
+            return get_error_data_result(message="Can't change `tenant_id`.")
+    e, kb = KnowledgebaseService.get_by_id(dataset_id)
+    if "parser_config" in req:
+        temp_dict = kb.parser_config
+        temp_dict.update(req["parser_config"])
+        req["parser_config"] = temp_dict
+    if "chunk_count" in req:
+        if req["chunk_count"] != kb.chunk_num:
+            return get_error_data_result(message="Can't change `chunk_count`.")
+        req.pop("chunk_count")
+    if "document_count" in req:
+        if req["document_count"] != kb.doc_num:
+            return get_error_data_result(message="Can't change `document_count`.")
+        req.pop("document_count")
+    if "chunk_method" in req:
+        if kb.chunk_num != 0 and req["chunk_method"] != kb.parser_id:
+            return get_error_data_result(
+                message="If `chunk_count` is not 0, `chunk_method` is not changeable."
+            )
+        req["parser_id"] = req.pop("chunk_method")
+        if req["parser_id"] != kb.parser_id:
+            if not req.get("parser_config"):
+                req["parser_config"] = get_parser_config(chunk_method, parser_config)
+    if "embedding_model" in req:
+        if kb.chunk_num != 0 and req["embedding_model"] != kb.embd_id:
+            return get_error_data_result(
+                message="If `chunk_count` is not 0, `embedding_model` is not changeable."
+            )
+        if not req.get("embedding_model"):
+            return get_error_data_result("`embedding_model` can't be empty")
+        valid_embedding_models = [
+            "BAAI/bge-large-zh-v1.5",
+            "BAAI/bge-base-en-v1.5",
+            "BAAI/bge-large-en-v1.5",
+            "BAAI/bge-small-en-v1.5",
+            "BAAI/bge-small-zh-v1.5",
+            "jinaai/jina-embeddings-v2-base-en",
+            "jinaai/jina-embeddings-v2-small-en",
+            "nomic-ai/nomic-embed-text-v1.5",
+            "sentence-transformers/all-MiniLM-L6-v2",
+            "text-embedding-v2",
+            "text-embedding-v3",
+            "maidalun1020/bce-embedding-base_v1",
+        ]
+        embd_model = LLMService.query(
+            llm_name=req["embedding_model"], model_type="embedding"
+        )
+        if not embd_model:
+            return get_error_data_result(
+                f"`embedding_model` {req.get('embedding_model')} doesn't exist"
+            )
+        if embd_model:
+            if req[
+                "embedding_model"
+            ] not in valid_embedding_models and not TenantLLMService.query(
+                tenant_id=tenant_id,
+                model_type="embedding",
+                llm_name=req.get("embedding_model"),
+            ):
+                return get_error_data_result(
+                    f"`embedding_model` {req.get('embedding_model')} doesn't exist"
+                )
+        req["embd_id"] = req.pop("embedding_model")
+    if "name" in req:
+        req["name"] = req["name"].strip()
+        if (
+            req["name"].lower() != kb.name.lower()
+            and len(
+                KnowledgebaseService.query(
+                    name=req["name"], tenant_id=tenant_id, status=StatusEnum.VALID.value
+                )
+            )
+            > 0
+        ):
+            return get_error_data_result(
+                message="Duplicated dataset name in updating dataset."
+            )
+    if not KnowledgebaseService.update_by_id(kb.id, req):
+        return get_error_data_result(message="Update dataset error.(Database error)")
+    return get_result(code=RetCode.SUCCESS)
+
+
+@manager.route("/datasets", methods=["GET"])
+@token_required
+def list(tenant_id):
+    """
+    List datasets.
+    ---
+    tags:
+      - Datasets
+    security:
+      - ApiKeyAuth: []
+    parameters:
+      - in: query
+        name: id
+        type: string
+        required: false
+        description: Dataset ID to filter.
+      - in: query
+        name: name
+        type: string
+        required: false
+        description: Dataset name to filter.
+      - in: query
+        name: page
+        type: integer
+        required: false
+        default: 1
+        description: Page number.
+      - in: query
+        name: page_size
+        type: integer
+        required: false
+        default: 1024
+        description: Number of items per page.
+      - in: query
+        name: orderby
+        type: string
+        required: false
+        default: "create_time"
+        description: Field to order by.
+      - in: query
+        name: desc
+        type: boolean
+        required: false
+        default: true
+        description: Order in descending.
+      - in: header
+        name: Authorization
+        type: string
+        required: true
+        description: Bearer token for authentication.
+    responses:
+      200:
+        description: Successful operation.
+        schema:
+          type: array
+          items:
+            type: object
+    """
+    id = request.args.get("id")
+    name = request.args.get("name")
+    kbs = KnowledgebaseService.query(id=id, name=name, status=1)
+    if not kbs:
+        return get_error_data_result(message="The dataset doesn't exist")
+    page_number = int(request.args.get("page", 1))
+    items_per_page = int(request.args.get("page_size", 1024))
+    orderby = request.args.get("orderby", "create_time")
+    if request.args.get("desc") == "False" or request.args.get("desc") == "false":
+        desc = False
+    else:
+        desc = True
+    tenants = TenantService.get_joined_tenants_by_user_id(tenant_id)
+    kbs = KnowledgebaseService.get_list(
+        [m["tenant_id"] for m in tenants],
+        tenant_id,
+        page_number,
+        items_per_page,
+        orderby,
+        desc,
+        id,
+        name,
+    )
+    renamed_list = []
+    for kb in kbs:
+        key_mapping = {
+            "chunk_num": "chunk_count",
+            "doc_num": "document_count",
+            "parser_id": "chunk_method",
+            "embd_id": "embedding_model",
+        }
+        renamed_data = {}
+        for key, value in kb.items():
+            new_key = key_mapping.get(key, key)
+            renamed_data[new_key] = value
+        renamed_list.append(renamed_data)
+    return get_result(data=renamed_list)
diff --git a/api/apps/sdk/dify_retrieval.py b/api/apps/sdk/dify_retrieval.py
index ddb7fdf76c0bec3958595aa01007fb0e7fe8987e..d2e6ee6f12c68e428f5552fac5993a79bb6919eb 100644
--- a/api/apps/sdk/dify_retrieval.py
+++ b/api/apps/sdk/dify_retrieval.py
@@ -37,10 +37,10 @@ def retrieval(tenant_id):
 
         e, kb = KnowledgebaseService.get_by_id(kb_id)
         if not e:
-            return build_error_result(error_msg="Knowledgebase not found!", retcode=RetCode.NOT_FOUND)
+            return build_error_result(message="Knowledgebase not found!", code=RetCode.NOT_FOUND)
 
         if kb.tenant_id != tenant_id:
-            return build_error_result(error_msg="Knowledgebase not found!", retcode=RetCode.NOT_FOUND)
+            return build_error_result(message="Knowledgebase not found!", code=RetCode.NOT_FOUND)
 
         embd_mdl = LLMBundle(kb.tenant_id, LLMType.EMBEDDING.value, llm_name=kb.embd_id)
 
@@ -71,7 +71,7 @@ def retrieval(tenant_id):
     except Exception as e:
         if str(e).find("not_found") > 0:
             return build_error_result(
-                error_msg=f'No chunk found! Check the chunk status please!',
-                retcode=RetCode.NOT_FOUND
+                message='No chunk found! Check the chunk status please!',
+                code=RetCode.NOT_FOUND
             )
-        return build_error_result(error_msg=str(e), retcode=RetCode.SERVER_ERROR)
+        return build_error_result(message=str(e), code=RetCode.SERVER_ERROR)
diff --git a/api/apps/sdk/doc.py b/api/apps/sdk/doc.py
index c19e706baa89767d473e8bd25314a237651ce36d..6701454fe89aa9c3f39632d284963f8cf4308cdc 100644
--- a/api/apps/sdk/doc.py
+++ b/api/apps/sdk/doc.py
@@ -110,13 +110,13 @@ def upload(dataset_id, tenant_id):
     """
     if "file" not in request.files:
         return get_error_data_result(
-            retmsg="No file part!", retcode=RetCode.ARGUMENT_ERROR
+            message="No file part!", code=RetCode.ARGUMENT_ERROR
         )
     file_objs = request.files.getlist("file")
     for file_obj in file_objs:
         if file_obj.filename == "":
             return get_result(
-                retmsg="No file selected!", retcode=RetCode.ARGUMENT_ERROR
+                message="No file selected!", code=RetCode.ARGUMENT_ERROR
             )
     # total size
     total_size = 0
@@ -127,15 +127,15 @@ def upload(dataset_id, tenant_id):
     MAX_TOTAL_FILE_SIZE = 10 * 1024 * 1024
     if total_size > MAX_TOTAL_FILE_SIZE:
         return get_result(
-            retmsg=f"Total file size exceeds 10MB limit! ({total_size / (1024 * 1024):.2f} MB)",
-            retcode=RetCode.ARGUMENT_ERROR,
+            message=f"Total file size exceeds 10MB limit! ({total_size / (1024 * 1024):.2f} MB)",
+            code=RetCode.ARGUMENT_ERROR,
         )
     e, kb = KnowledgebaseService.get_by_id(dataset_id)
     if not e:
         raise LookupError(f"Can't find the dataset with ID {dataset_id}!")
     err, files = FileService.upload_document(kb, file_objs, tenant_id)
     if err:
-        return get_result(retmsg="\n".join(err), retcode=RetCode.SERVER_ERROR)
+        return get_result(message="\n".join(err), code=RetCode.SERVER_ERROR)
     # rename key's name
     renamed_doc_list = []
     for file in files:
@@ -205,20 +205,20 @@ def update_doc(tenant_id, dataset_id, document_id):
     """
     req = request.json
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg="You don't own the dataset.")
+        return get_error_data_result(message="You don't own the dataset.")
     doc = DocumentService.query(kb_id=dataset_id, id=document_id)
     if not doc:
-        return get_error_data_result(retmsg="The dataset doesn't own the document.")
+        return get_error_data_result(message="The dataset doesn't own the document.")
     doc = doc[0]
     if "chunk_count" in req:
         if req["chunk_count"] != doc.chunk_num:
-            return get_error_data_result(retmsg="Can't change `chunk_count`.")
+            return get_error_data_result(message="Can't change `chunk_count`.")
     if "token_count" in req:
         if req["token_count"] != doc.token_num:
-            return get_error_data_result(retmsg="Can't change `token_count`.")
+            return get_error_data_result(message="Can't change `token_count`.")
     if "progress" in req:
         if req["progress"] != doc.progress:
-            return get_error_data_result(retmsg="Can't change `progress`.")
+            return get_error_data_result(message="Can't change `progress`.")
 
     if "name" in req and req["name"] != doc.name:
         if (
@@ -226,16 +226,16 @@ def update_doc(tenant_id, dataset_id, document_id):
             != pathlib.Path(doc.name.lower()).suffix
         ):
             return get_result(
-                retmsg="The extension of file can't be changed",
-                retcode=RetCode.ARGUMENT_ERROR,
+                message="The extension of file can't be changed",
+                code=RetCode.ARGUMENT_ERROR,
             )
         for d in DocumentService.query(name=req["name"], kb_id=doc.kb_id):
             if d.name == req["name"]:
                 return get_error_data_result(
-                    retmsg="Duplicated document name in the same dataset."
+                    message="Duplicated document name in the same dataset."
                 )
         if not DocumentService.update_by_id(document_id, {"name": req["name"]}):
-            return get_error_data_result(retmsg="Database error (Document rename)!")
+            return get_error_data_result(message="Database error (Document rename)!")
 
         informs = File2DocumentService.get_by_document_id(document_id)
         if informs:
@@ -266,7 +266,7 @@ def update_doc(tenant_id, dataset_id, document_id):
             return get_result()
 
         if doc.type == FileType.VISUAL or re.search(r"\.(ppt|pptx|pages)$", doc.name):
-            return get_error_data_result(retmsg="Not supported yet!")
+            return get_error_data_result(message="Not supported yet!")
 
         e = DocumentService.update_by_id(
             doc.id,
@@ -278,7 +278,7 @@ def update_doc(tenant_id, dataset_id, document_id):
             },
         )
         if not e:
-            return get_error_data_result(retmsg="Document not found!")
+            return get_error_data_result(message="Document not found!")
         req["parser_config"] = get_parser_config(
             req["chunk_method"], req.get("parser_config")
         )
@@ -292,7 +292,7 @@ def update_doc(tenant_id, dataset_id, document_id):
                 doc.process_duation * -1,
             )
             if not e:
-                return get_error_data_result(retmsg="Document not found!")
+                return get_error_data_result(message="Document not found!")
             ELASTICSEARCH.deleteByQuery(
                 Q("match", doc_id=doc.id), idxnm=search.index_name(tenant_id)
             )
@@ -339,11 +339,11 @@ def download(tenant_id, dataset_id, document_id):
           type: object
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You do not own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You do not own the dataset {dataset_id}.")
     doc = DocumentService.query(kb_id=dataset_id, id=document_id)
     if not doc:
         return get_error_data_result(
-            retmsg=f"The dataset not own the document {document_id}."
+            message=f"The dataset not own the document {document_id}."
         )
     # The process of downloading
     doc_id, doc_location = File2DocumentService.get_storage_address(
@@ -451,13 +451,13 @@ def list_docs(dataset_id, tenant_id):
                     description: Processing status.
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}. ")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}. ")
     id = request.args.get("id")
     name = request.args.get("name")
     if not DocumentService.query(id=id, kb_id=dataset_id):
-        return get_error_data_result(retmsg=f"You don't own the document {id}.")
+        return get_error_data_result(message=f"You don't own the document {id}.")
     if not DocumentService.query(name=name, kb_id=dataset_id):
-        return get_error_data_result(retmsg=f"You don't own the document {name}.")
+        return get_error_data_result(message=f"You don't own the document {name}.")
     page = int(request.args.get("page", 1))
     keywords = request.args.get("keywords", "")
     page_size = int(request.args.get("page_size", 1024))
@@ -538,7 +538,7 @@ def delete(tenant_id, dataset_id):
           type: object
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}. ")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}. ")
     req = request.json
     if not req:
         doc_ids = None
@@ -559,16 +559,16 @@ def delete(tenant_id, dataset_id):
         try:
             e, doc = DocumentService.get_by_id(doc_id)
             if not e:
-                return get_error_data_result(retmsg="Document not found!")
+                return get_error_data_result(message="Document not found!")
             tenant_id = DocumentService.get_tenant_id(doc_id)
             if not tenant_id:
-                return get_error_data_result(retmsg="Tenant not found!")
+                return get_error_data_result(message="Tenant not found!")
 
             b, n = File2DocumentService.get_storage_address(doc_id=doc_id)
 
             if not DocumentService.remove_document(doc, tenant_id):
                 return get_error_data_result(
-                    retmsg="Database error (Document removal)!"
+                    message="Database error (Document removal)!"
                 )
 
             f2d = File2DocumentService.get_by_document_id(doc_id)
@@ -585,7 +585,7 @@ def delete(tenant_id, dataset_id):
             errors += str(e)
 
     if errors:
-        return get_result(retmsg=errors, retcode=RetCode.SERVER_ERROR)
+        return get_result(message=errors, code=RetCode.SERVER_ERROR)
 
     return get_result()
 
@@ -630,14 +630,14 @@ def parse(tenant_id, dataset_id):
           type: object
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}.")
     req = request.json
     if not req.get("document_ids"):
         return get_error_data_result("`document_ids` is required")
     for id in req["document_ids"]:
         doc = DocumentService.query(id=id, kb_id=dataset_id)
         if not doc:
-            return get_error_data_result(retmsg=f"You don't own the document {id}.")
+            return get_error_data_result(message=f"You don't own the document {id}.")
         if doc[0].progress != 0.0:
             return get_error_data_result(
                 "Can't stop parsing document with progress at 0 or 100"
@@ -699,14 +699,14 @@ def stop_parsing(tenant_id, dataset_id):
           type: object
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}.")
     req = request.json
     if not req.get("document_ids"):
         return get_error_data_result("`document_ids` is required")
     for id in req["document_ids"]:
         doc = DocumentService.query(id=id, kb_id=dataset_id)
         if not doc:
-            return get_error_data_result(retmsg=f"You don't own the document {id}.")
+            return get_error_data_result(message=f"You don't own the document {id}.")
         if int(doc[0].progress) == 1 or int(doc[0].progress) == 0:
             return get_error_data_result(
                 "Can't stop parsing document with progress at 0 or 1"
@@ -793,11 +793,11 @@ def list_chunks(tenant_id, dataset_id, document_id):
               description: Document details.
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}.")
     doc = DocumentService.query(id=document_id, kb_id=dataset_id)
     if not doc:
         return get_error_data_result(
-            retmsg=f"You don't own the document {document_id}."
+            message=f"You don't own the document {document_id}."
         )
     doc = doc[0]
     req = request.args
@@ -965,16 +965,16 @@ def add_chunk(tenant_id, dataset_id, document_id):
                   description: Important keywords.
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}.")
     doc = DocumentService.query(id=document_id, kb_id=dataset_id)
     if not doc:
         return get_error_data_result(
-            retmsg=f"You don't own the document {document_id}."
+            message=f"You don't own the document {document_id}."
         )
     doc = doc[0]
     req = request.json
     if not req.get("content"):
-        return get_error_data_result(retmsg="`content` is required")
+        return get_error_data_result(message="`content` is required")
     if "important_keywords" in req:
         if type(req["important_keywords"]) != list:
             return get_error_data_result(
@@ -1078,11 +1078,11 @@ def rm_chunk(tenant_id, dataset_id, document_id):
           type: object
     """
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}.")
     doc = DocumentService.query(id=document_id, kb_id=dataset_id)
     if not doc:
         return get_error_data_result(
-            retmsg=f"You don't own the document {document_id}."
+            message=f"You don't own the document {document_id}."
         )
     doc = doc[0]
     req = request.json
@@ -1104,7 +1104,7 @@ def rm_chunk(tenant_id, dataset_id, document_id):
     if not ELASTICSEARCH.deleteByQuery(
         Q("ids", values=chunk_list), search.index_name(tenant_id)
     ):
-        return get_error_data_result(retmsg="Index updating failure")
+        return get_error_data_result(message="Index updating failure")
     deleted_chunk_ids = chunk_list
     chunk_number = len(deleted_chunk_ids)
     DocumentService.decrement_chunk_num(doc.id, doc.kb_id, 1, chunk_number, 0)
@@ -1170,14 +1170,14 @@ def update_chunk(tenant_id, dataset_id, document_id, chunk_id):
     """
     try:
         res = ELASTICSEARCH.get(chunk_id, search.index_name(tenant_id))
-    except Exception as e:
+    except Exception:
         return get_error_data_result(f"Can't find this chunk {chunk_id}")
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
-        return get_error_data_result(retmsg=f"You don't own the dataset {dataset_id}.")
+        return get_error_data_result(message=f"You don't own the dataset {dataset_id}.")
     doc = DocumentService.query(id=document_id, kb_id=dataset_id)
     if not doc:
         return get_error_data_result(
-            retmsg=f"You don't own the document {document_id}."
+            message=f"You don't own the document {document_id}."
         )
     doc = doc[0]
     query = {
@@ -1210,7 +1210,7 @@ def update_chunk(tenant_id, dataset_id, document_id, chunk_id):
         arr = [t for t in re.split(r"[\n\t]", d["content_with_weight"]) if len(t) > 1]
         if len(arr) != 2:
             return get_error_data_result(
-                retmsg="Q&A must be separated by TAB/ENTER key."
+                message="Q&A must be separated by TAB/ENTER key."
             )
         q, a = rmPrefix(arr[0]), rmPrefix(arr[1])
         d = beAdoc(
@@ -1317,8 +1317,8 @@ def retrieval_test(tenant_id):
     embd_nms = list(set([kb.embd_id for kb in kbs]))
     if len(embd_nms) != 1:
         return get_result(
-            retmsg='Datasets use different embedding models."',
-            retcode=RetCode.AUTHENTICATION_ERROR,
+            message='Datasets use different embedding models."',
+            code=RetCode.AUTHENTICATION_ERROR,
         )
     if "question" not in req:
         return get_error_data_result("`question` is required.")
@@ -1344,7 +1344,7 @@ def retrieval_test(tenant_id):
     try:
         e, kb = KnowledgebaseService.get_by_id(kb_ids[0])
         if not e:
-            return get_error_data_result(retmsg="Dataset not found!")
+            return get_error_data_result(message="Dataset not found!")
         embd_mdl = TenantLLMService.model_instance(
             kb.tenant_id, LLMType.EMBEDDING.value, llm_name=kb.embd_id
         )
@@ -1398,7 +1398,7 @@ def retrieval_test(tenant_id):
     except Exception as e:
         if str(e).find("not_found") > 0:
             return get_result(
-                retmsg=f"No chunk found! Check the chunk status please!",
-                retcode=RetCode.DATA_ERROR,
+                message="No chunk found! Check the chunk status please!",
+                code=RetCode.DATA_ERROR,
             )
         return server_error_response(e)
diff --git a/api/apps/sdk/session.py b/api/apps/sdk/session.py
index 1b7b0ce0c659abd22671a01da95e714694ee53c0..9f7be2a9a3642f3d28c218e05669ccd1c3ae9d7f 100644
--- a/api/apps/sdk/session.py
+++ b/api/apps/sdk/session.py
@@ -1,394 +1,394 @@
-#
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#
-import json
-from functools import partial
-from uuid import uuid4
-
-from flask import request, Response
-
-from agent.canvas import Canvas
-from api.db import StatusEnum
-from api.db.db_models import API4Conversation
-from api.db.services.api_service import API4ConversationService
-from api.db.services.canvas_service import UserCanvasService
-from api.db.services.dialog_service import DialogService, ConversationService, chat
-from api.utils import get_uuid
-from api.utils.api_utils import get_error_data_result
-from api.utils.api_utils import get_result, token_required
-
-
-@manager.route('/chats/<chat_id>/sessions', methods=['POST'])
-@token_required
-def create(tenant_id,chat_id):
-    req = request.json
-    req["dialog_id"] = chat_id
-    dia = DialogService.query(tenant_id=tenant_id, id=req["dialog_id"], status=StatusEnum.VALID.value)
-    if not dia:
-        return get_error_data_result(retmsg="You do not own the assistant.")
-    conv = {
-        "id": get_uuid(),
-        "dialog_id": req["dialog_id"],
-        "name": req.get("name", "New session"),
-        "message": [{"role": "assistant", "content": "Hi! I am your assistant，can I help you?"}]
-    }
-    if not conv.get("name"):
-        return get_error_data_result(retmsg="`name` can not be empty.")
-    ConversationService.save(**conv)
-    e, conv = ConversationService.get_by_id(conv["id"])
-    if not e:
-        return get_error_data_result(retmsg="Fail to create a session!")
-    conv = conv.to_dict()
-    conv['messages'] = conv.pop("message")
-    conv["chat_id"] = conv.pop("dialog_id")
-    del conv["reference"]
-    return get_result(data=conv)
-
-
-@manager.route('/agents/<agent_id>/sessions', methods=['POST'])
-@token_required
-def create_agent_session(tenant_id, agent_id):
-    req = request.json
-    e, cvs = UserCanvasService.get_by_id(agent_id)
-    if not e:
-        return get_error_data_result("Agent not found.")
-    if cvs.user_id != tenant_id:
-        return get_error_data_result(retmsg="You do not own the agent.")
-
-    if not isinstance(cvs.dsl, str):
-        cvs.dsl = json.dumps(cvs.dsl, ensure_ascii=False)
-
-    canvas = Canvas(cvs.dsl, tenant_id)
-    conv = {
-        "id": get_uuid(),
-        "dialog_id": cvs.id,
-        "user_id": req.get("user_id", ""),
-        "message": [{"role": "assistant", "content": canvas.get_prologue()}],
-        "source": "agent"
-    }
-    API4ConversationService.save(**conv)
-    return get_result(data=conv)
-
-
-@manager.route('/chats/<chat_id>/sessions/<session_id>', methods=['PUT'])
-@token_required
-def update(tenant_id,chat_id,session_id):
-    req = request.json
-    req["dialog_id"] = chat_id
-    conv_id = session_id
-    conv = ConversationService.query(id=conv_id,dialog_id=chat_id)
-    if not conv:
-        return get_error_data_result(retmsg="Session does not exist")
-    if not DialogService.query(id=chat_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
-        return get_error_data_result(retmsg="You do not own the session")
-    if "message" in req or "messages" in req:
-        return get_error_data_result(retmsg="`message` can not be change")
-    if "reference" in req:
-        return get_error_data_result(retmsg="`reference` can not be change")
-    if "name" in req and not req.get("name"):
-        return get_error_data_result(retmsg="`name` can not be empty.")
-    if not ConversationService.update_by_id(conv_id, req):
-        return get_error_data_result(retmsg="Session updates error")
-    return get_result()
-
-
-@manager.route('/chats/<chat_id>/completions', methods=['POST'])
-@token_required
-def completion(tenant_id, chat_id):
-    req = request.json
-    if not req.get("session_id"):
-        conv = {
-            "id": get_uuid(),
-            "dialog_id": chat_id,
-            "name": req.get("name", "New session"),
-            "message": [{"role": "assistant", "content": "Hi! I am your assistant，can I help you?"}]
-        }
-        if not conv.get("name"):
-            return get_error_data_result(retmsg="`name` can not be empty.")
-        ConversationService.save(**conv)
-        e, conv = ConversationService.get_by_id(conv["id"])
-        session_id=conv.id
-    else:
-        session_id = req.get("session_id")
-    if not req.get("question"):
-        return get_error_data_result(retmsg="Please input your question.")
-    conv = ConversationService.query(id=session_id,dialog_id=chat_id)
-    if not conv:
-        return get_error_data_result(retmsg="Session does not exist")
-    conv = conv[0]
-    if not DialogService.query(id=chat_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
-        return get_error_data_result(retmsg="You do not own the chat")
-    msg = []
-    question = {
-        "content": req.get("question"),
-        "role": "user",
-        "id": str(uuid4())
-    }
-    conv.message.append(question)
-    for m in conv.message:
-        if m["role"] == "system": continue
-        if m["role"] == "assistant" and not msg: continue
-        msg.append(m)
-    message_id = msg[-1].get("id")
-    e, dia = DialogService.get_by_id(conv.dialog_id)
-
-    if not conv.reference:
-        conv.reference = []
-    conv.message.append({"role": "assistant", "content": "", "id": message_id})
-    conv.reference.append({"chunks": [], "doc_aggs": []})
-
-    def fillin_conv(ans):
-        nonlocal conv, message_id
-        if not conv.reference:
-            conv.reference.append(ans["reference"])
-        else:
-            conv.reference[-1] = ans["reference"]
-        conv.message[-1] = {"role": "assistant", "content": ans["answer"],
-                            "id": message_id, "prompt": ans.get("prompt", "")}
-        ans["id"] = message_id
-        ans["session_id"]=session_id
-
-    def stream():
-        nonlocal dia, msg, req, conv
-        try:
-            for ans in chat(dia, msg, **req):
-                fillin_conv(ans)
-                yield "data:" + json.dumps({"code": 0,  "data": ans}, ensure_ascii=False) + "\n\n"
-            ConversationService.update_by_id(conv.id, conv.to_dict())
-        except Exception as e:
-            yield "data:" + json.dumps({"code": 500, "message": str(e),
-                                        "data": {"answer": "**ERROR**: " + str(e),"reference": []}},
-                                       ensure_ascii=False) + "\n\n"
-        yield "data:" + json.dumps({"code": 0, "data": True}, ensure_ascii=False) + "\n\n"
-
-    if req.get("stream", True):
-        resp = Response(stream(), mimetype="text/event-stream")
-        resp.headers.add_header("Cache-control", "no-cache")
-        resp.headers.add_header("Connection", "keep-alive")
-        resp.headers.add_header("X-Accel-Buffering", "no")
-        resp.headers.add_header("Content-Type", "text/event-stream; charset=utf-8")
-        return resp
-
-    else:
-        answer = None
-        for ans in chat(dia, msg, **req):
-            answer = ans
-            fillin_conv(ans)
-            ConversationService.update_by_id(conv.id, conv.to_dict())
-            break
-        return get_result(data=answer)
-
-
-@manager.route('/agents/<agent_id>/completions', methods=['POST'])
-@token_required
-def agent_completion(tenant_id, agent_id):
-    req = request.json
-    e, cvs = UserCanvasService.get_by_id(agent_id)
-    if not e:
-        return get_error_data_result("Agent not found.")
-    if cvs.user_id != tenant_id:
-        return get_error_data_result(retmsg="You do not own the agent.")
-    if not isinstance(cvs.dsl, str):
-        cvs.dsl = json.dumps(cvs.dsl, ensure_ascii=False)
-
-    canvas = Canvas(cvs.dsl, tenant_id)
-
-    msg = []
-    for m in req["messages"]:
-        if m["role"] == "system":
-            continue
-        if m["role"] == "assistant" and not msg:
-            continue
-        msg.append(m)
-    if not msg[-1].get("id"): msg[-1]["id"] = get_uuid()
-    message_id = msg[-1]["id"]
-
-    if not req.get("session_id"):
-        session_id = get_uuid()
-        conv = {
-            "id": session_id,
-            "dialog_id": cvs.id,
-            "user_id": req.get("user_id", ""),
-            "message": [{"role": "assistant", "content": canvas.get_prologue()}],
-            "source": "agent"
-        }
-        API4ConversationService.save(**conv)
-        conv = API4Conversation(**conv)
-    else:
-        session_id = req.get("session_id")
-        e, conv = API4ConversationService.get_by_id(req["session_id"])
-        if not e:
-            return get_error_data_result(retmsg="Session not found!")
-
-    if "quote" not in req: req["quote"] = False
-    stream = req.get("stream", True)
-
-    def fillin_conv(ans):
-        nonlocal conv, message_id
-        if not conv.reference:
-            conv.reference.append(ans["reference"])
-        else:
-            conv.reference[-1] = ans["reference"]
-        conv.message[-1] = {"role": "assistant", "content": ans["answer"], "id": message_id}
-        ans["id"] = message_id
-        ans["session_id"] = session_id
-
-    def rename_field(ans):
-        reference = ans['reference']
-        if not isinstance(reference, dict):
-            return
-        for chunk_i in reference.get('chunks', []):
-            if 'docnm_kwd' in chunk_i:
-                chunk_i['doc_name'] = chunk_i['docnm_kwd']
-                chunk_i.pop('docnm_kwd')
-    conv.message.append(msg[-1])
-
-    if not conv.reference:
-        conv.reference = []
-    conv.message.append({"role": "assistant", "content": "", "id": message_id})
-    conv.reference.append({"chunks": [], "doc_aggs": []})
-
-    final_ans = {"reference": [], "content": ""}
-
-    canvas.messages.append(msg[-1])
-    canvas.add_user_input(msg[-1]["content"])
-    answer = canvas.run(stream=stream)
-
-    assert answer is not None, "Nothing. Is it over?"
-
-    if stream:
-        assert isinstance(answer, partial), "Nothing. Is it over?"
-
-        def sse():
-            nonlocal answer, cvs, conv
-            try:
-                for ans in answer():
-                    for k in ans.keys():
-                        final_ans[k] = ans[k]
-                    ans = {"answer": ans["content"], "reference": ans.get("reference", [])}
-                    fillin_conv(ans)
-                    rename_field(ans)
-                    yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": ans},
-                                               ensure_ascii=False) + "\n\n"
-
-                canvas.messages.append({"role": "assistant", "content": final_ans["content"], "id": message_id})
-                if final_ans.get("reference"):
-                    canvas.reference.append(final_ans["reference"])
-                cvs.dsl = json.loads(str(canvas))
-                API4ConversationService.append_message(conv.id, conv.to_dict())
-            except Exception as e:
-                yield "data:" + json.dumps({"retcode": 500, "retmsg": str(e),
-                                            "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
-                                           ensure_ascii=False) + "\n\n"
-            yield "data:" + json.dumps({"retcode": 0, "retmsg": "", "data": True}, ensure_ascii=False) + "\n\n"
-
-        resp = Response(sse(), mimetype="text/event-stream")
-        resp.headers.add_header("Cache-control", "no-cache")
-        resp.headers.add_header("Connection", "keep-alive")
-        resp.headers.add_header("X-Accel-Buffering", "no")
-        resp.headers.add_header("Content-Type", "text/event-stream; charset=utf-8")
-        return resp
-
-    final_ans["content"] = "\n".join(answer["content"]) if "content" in answer else ""
-    canvas.messages.append({"role": "assistant", "content": final_ans["content"], "id": message_id})
-    if final_ans.get("reference"):
-        canvas.reference.append(final_ans["reference"])
-    cvs.dsl = json.loads(str(canvas))
-
-    result = {"answer": final_ans["content"], "reference": final_ans.get("reference", [])}
-    fillin_conv(result)
-    API4ConversationService.append_message(conv.id, conv.to_dict())
-    rename_field(result)
-    return get_result(data=result)
-
-
-@manager.route('/chats/<chat_id>/sessions', methods=['GET'])
-@token_required
-def list(chat_id,tenant_id):
-    if not DialogService.query(tenant_id=tenant_id, id=chat_id, status=StatusEnum.VALID.value):
-        return get_error_data_result(retmsg=f"You don't own the assistant {chat_id}.")
-    id = request.args.get("id")
-    name = request.args.get("name")
-    page_number = int(request.args.get("page", 1))
-    items_per_page = int(request.args.get("page_size", 1024))
-    orderby = request.args.get("orderby", "create_time")
-    if request.args.get("desc") == "False" or request.args.get("desc") == "false":
-        desc = False
-    else:
-        desc = True
-    convs = ConversationService.get_list(chat_id,page_number,items_per_page,orderby,desc,id,name)
-    if not convs:
-        return get_result(data=[])
-    for conv in convs:
-        conv['messages'] = conv.pop("message")
-        infos = conv["messages"]
-        for info in infos:
-            if "prompt" in info:
-                info.pop("prompt")
-        conv["chat"] = conv.pop("dialog_id")
-        if conv["reference"]:
-            messages = conv["messages"]
-            message_num = 0
-            chunk_num = 0
-            while message_num < len(messages):
-                if message_num != 0 and messages[message_num]["role"] != "user":
-                    chunk_list = []
-                    if "chunks" in conv["reference"][chunk_num]:
-                        chunks = conv["reference"][chunk_num]["chunks"]
-                        for chunk in chunks:
-                            new_chunk = {
-                                "id": chunk["chunk_id"],
-                                "content": chunk["content_with_weight"],
-                                "document_id": chunk["doc_id"],
-                                "document_name": chunk["docnm_kwd"],
-                                "dataset_id": chunk["kb_id"],
-                                "image_id": chunk["img_id"],
-                                "similarity": chunk["similarity"],
-                                "vector_similarity": chunk["vector_similarity"],
-                                "term_similarity": chunk["term_similarity"],
-                                "positions": chunk["positions"],
-                            }
-                            chunk_list.append(new_chunk)
-                    chunk_num += 1
-                    messages[message_num]["reference"] = chunk_list
-                message_num += 1
-        del conv["reference"]
-    return get_result(data=convs)
-
-
-@manager.route('/chats/<chat_id>/sessions', methods=["DELETE"])
-@token_required
-def delete(tenant_id,chat_id):
-    if not DialogService.query(id=chat_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
-        return get_error_data_result(retmsg="You don't own the chat")
-    req = request.json
-    convs = ConversationService.query(dialog_id=chat_id)
-    if not req:
-        ids = None
-    else:
-        ids=req.get("ids")
-
-    if not ids:
-        conv_list = []
-        for conv in convs:
-            conv_list.append(conv.id)
-    else:
-        conv_list=ids
-    for id in conv_list:
-        conv = ConversationService.query(id=id,dialog_id=chat_id)
-        if not conv:
-            return get_error_data_result(retmsg="The chat doesn't own the session")
-        ConversationService.delete_by_id(id)
-    return get_result()
+#
+#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+import json
+from functools import partial
+from uuid import uuid4
+
+from flask import request, Response
+
+from agent.canvas import Canvas
+from api.db import StatusEnum
+from api.db.db_models import API4Conversation
+from api.db.services.api_service import API4ConversationService
+from api.db.services.canvas_service import UserCanvasService
+from api.db.services.dialog_service import DialogService, ConversationService, chat
+from api.utils import get_uuid
+from api.utils.api_utils import get_error_data_result
+from api.utils.api_utils import get_result, token_required
+
+
+@manager.route('/chats/<chat_id>/sessions', methods=['POST'])
+@token_required
+def create(tenant_id,chat_id):
+    req = request.json
+    req["dialog_id"] = chat_id
+    dia = DialogService.query(tenant_id=tenant_id, id=req["dialog_id"], status=StatusEnum.VALID.value)
+    if not dia:
+        return get_error_data_result(message="You do not own the assistant.")
+    conv = {
+        "id": get_uuid(),
+        "dialog_id": req["dialog_id"],
+        "name": req.get("name", "New session"),
+        "message": [{"role": "assistant", "content": "Hi! I am your assistant，can I help you?"}]
+    }
+    if not conv.get("name"):
+        return get_error_data_result(message="`name` can not be empty.")
+    ConversationService.save(**conv)
+    e, conv = ConversationService.get_by_id(conv["id"])
+    if not e:
+        return get_error_data_result(message="Fail to create a session!")
+    conv = conv.to_dict()
+    conv['messages'] = conv.pop("message")
+    conv["chat_id"] = conv.pop("dialog_id")
+    del conv["reference"]
+    return get_result(data=conv)
+
+
+@manager.route('/agents/<agent_id>/sessions', methods=['POST'])
+@token_required
+def create_agent_session(tenant_id, agent_id):
+    req = request.json
+    e, cvs = UserCanvasService.get_by_id(agent_id)
+    if not e:
+        return get_error_data_result("Agent not found.")
+    if cvs.user_id != tenant_id:
+        return get_error_data_result(message="You do not own the agent.")
+
+    if not isinstance(cvs.dsl, str):
+        cvs.dsl = json.dumps(cvs.dsl, ensure_ascii=False)
+
+    canvas = Canvas(cvs.dsl, tenant_id)
+    conv = {
+        "id": get_uuid(),
+        "dialog_id": cvs.id,
+        "user_id": req.get("user_id", ""),
+        "message": [{"role": "assistant", "content": canvas.get_prologue()}],
+        "source": "agent"
+    }
+    API4ConversationService.save(**conv)
+    return get_result(data=conv)
+
+
+@manager.route('/chats/<chat_id>/sessions/<session_id>', methods=['PUT'])
+@token_required
+def update(tenant_id,chat_id,session_id):
+    req = request.json
+    req["dialog_id"] = chat_id
+    conv_id = session_id
+    conv = ConversationService.query(id=conv_id,dialog_id=chat_id)
+    if not conv:
+        return get_error_data_result(message="Session does not exist")
+    if not DialogService.query(id=chat_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
+        return get_error_data_result(message="You do not own the session")
+    if "message" in req or "messages" in req:
+        return get_error_data_result(message="`message` can not be change")
+    if "reference" in req:
+        return get_error_data_result(message="`reference` can not be change")
+    if "name" in req and not req.get("name"):
+        return get_error_data_result(message="`name` can not be empty.")
+    if not ConversationService.update_by_id(conv_id, req):
+        return get_error_data_result(message="Session updates error")
+    return get_result()
+
+
+@manager.route('/chats/<chat_id>/completions', methods=['POST'])
+@token_required
+def completion(tenant_id, chat_id):
+    req = request.json
+    if not req.get("session_id"):
+        conv = {
+            "id": get_uuid(),
+            "dialog_id": chat_id,
+            "name": req.get("name", "New session"),
+            "message": [{"role": "assistant", "content": "Hi! I am your assistant，can I help you?"}]
+        }
+        if not conv.get("name"):
+            return get_error_data_result(message="`name` can not be empty.")
+        ConversationService.save(**conv)
+        e, conv = ConversationService.get_by_id(conv["id"])
+        session_id=conv.id
+    else:
+        session_id = req.get("session_id")
+    if not req.get("question"):
+        return get_error_data_result(message="Please input your question.")
+    conv = ConversationService.query(id=session_id,dialog_id=chat_id)
+    if not conv:
+        return get_error_data_result(message="Session does not exist")
+    conv = conv[0]
+    if not DialogService.query(id=chat_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
+        return get_error_data_result(message="You do not own the chat")
+    msg = []
+    question = {
+        "content": req.get("question"),
+        "role": "user",
+        "id": str(uuid4())
+    }
+    conv.message.append(question)
+    for m in conv.message:
+        if m["role"] == "system": continue
+        if m["role"] == "assistant" and not msg: continue
+        msg.append(m)
+    message_id = msg[-1].get("id")
+    e, dia = DialogService.get_by_id(conv.dialog_id)
+
+    if not conv.reference:
+        conv.reference = []
+    conv.message.append({"role": "assistant", "content": "", "id": message_id})
+    conv.reference.append({"chunks": [], "doc_aggs": []})
+
+    def fillin_conv(ans):
+        nonlocal conv, message_id
+        if not conv.reference:
+            conv.reference.append(ans["reference"])
+        else:
+            conv.reference[-1] = ans["reference"]
+        conv.message[-1] = {"role": "assistant", "content": ans["answer"],
+                            "id": message_id, "prompt": ans.get("prompt", "")}
+        ans["id"] = message_id
+        ans["session_id"]=session_id
+
+    def stream():
+        nonlocal dia, msg, req, conv
+        try:
+            for ans in chat(dia, msg, **req):
+                fillin_conv(ans)
+                yield "data:" + json.dumps({"code": 0,  "data": ans}, ensure_ascii=False) + "\n\n"
+            ConversationService.update_by_id(conv.id, conv.to_dict())
+        except Exception as e:
+            yield "data:" + json.dumps({"code": 500, "message": str(e),
+                                        "data": {"answer": "**ERROR**: " + str(e),"reference": []}},
+                                       ensure_ascii=False) + "\n\n"
+        yield "data:" + json.dumps({"code": 0, "data": True}, ensure_ascii=False) + "\n\n"
+
+    if req.get("stream", True):
+        resp = Response(stream(), mimetype="text/event-stream")
+        resp.headers.add_header("Cache-control", "no-cache")
+        resp.headers.add_header("Connection", "keep-alive")
+        resp.headers.add_header("X-Accel-Buffering", "no")
+        resp.headers.add_header("Content-Type", "text/event-stream; charset=utf-8")
+        return resp
+
+    else:
+        answer = None
+        for ans in chat(dia, msg, **req):
+            answer = ans
+            fillin_conv(ans)
+            ConversationService.update_by_id(conv.id, conv.to_dict())
+            break
+        return get_result(data=answer)
+
+
+@manager.route('/agents/<agent_id>/completions', methods=['POST'])
+@token_required
+def agent_completion(tenant_id, agent_id):
+    req = request.json
+    e, cvs = UserCanvasService.get_by_id(agent_id)
+    if not e:
+        return get_error_data_result("Agent not found.")
+    if cvs.user_id != tenant_id:
+        return get_error_data_result(message="You do not own the agent.")
+    if not isinstance(cvs.dsl, str):
+        cvs.dsl = json.dumps(cvs.dsl, ensure_ascii=False)
+
+    canvas = Canvas(cvs.dsl, tenant_id)
+
+    msg = []
+    for m in req["messages"]:
+        if m["role"] == "system":
+            continue
+        if m["role"] == "assistant" and not msg:
+            continue
+        msg.append(m)
+    if not msg[-1].get("id"): msg[-1]["id"] = get_uuid()
+    message_id = msg[-1]["id"]
+
+    if not req.get("session_id"):
+        session_id = get_uuid()
+        conv = {
+            "id": session_id,
+            "dialog_id": cvs.id,
+            "user_id": req.get("user_id", ""),
+            "message": [{"role": "assistant", "content": canvas.get_prologue()}],
+            "source": "agent"
+        }
+        API4ConversationService.save(**conv)
+        conv = API4Conversation(**conv)
+    else:
+        session_id = req.get("session_id")
+        e, conv = API4ConversationService.get_by_id(req["session_id"])
+        if not e:
+            return get_error_data_result(message="Session not found!")
+
+    if "quote" not in req: req["quote"] = False
+    stream = req.get("stream", True)
+
+    def fillin_conv(ans):
+        nonlocal conv, message_id
+        if not conv.reference:
+            conv.reference.append(ans["reference"])
+        else:
+            conv.reference[-1] = ans["reference"]
+        conv.message[-1] = {"role": "assistant", "content": ans["answer"], "id": message_id}
+        ans["id"] = message_id
+        ans["session_id"] = session_id
+
+    def rename_field(ans):
+        reference = ans['reference']
+        if not isinstance(reference, dict):
+            return
+        for chunk_i in reference.get('chunks', []):
+            if 'docnm_kwd' in chunk_i:
+                chunk_i['doc_name'] = chunk_i['docnm_kwd']
+                chunk_i.pop('docnm_kwd')
+    conv.message.append(msg[-1])
+
+    if not conv.reference:
+        conv.reference = []
+    conv.message.append({"role": "assistant", "content": "", "id": message_id})
+    conv.reference.append({"chunks": [], "doc_aggs": []})
+
+    final_ans = {"reference": [], "content": ""}
+
+    canvas.messages.append(msg[-1])
+    canvas.add_user_input(msg[-1]["content"])
+    answer = canvas.run(stream=stream)
+
+    assert answer is not None, "Nothing. Is it over?"
+
+    if stream:
+        assert isinstance(answer, partial), "Nothing. Is it over?"
+
+        def sse():
+            nonlocal answer, cvs, conv
+            try:
+                for ans in answer():
+                    for k in ans.keys():
+                        final_ans[k] = ans[k]
+                    ans = {"answer": ans["content"], "reference": ans.get("reference", [])}
+                    fillin_conv(ans)
+                    rename_field(ans)
+                    yield "data:" + json.dumps({"code": 0, "message": "", "data": ans},
+                                               ensure_ascii=False) + "\n\n"
+
+                canvas.messages.append({"role": "assistant", "content": final_ans["content"], "id": message_id})
+                if final_ans.get("reference"):
+                    canvas.reference.append(final_ans["reference"])
+                cvs.dsl = json.loads(str(canvas))
+                API4ConversationService.append_message(conv.id, conv.to_dict())
+            except Exception as e:
+                yield "data:" + json.dumps({"code": 500, "message": str(e),
+                                            "data": {"answer": "**ERROR**: " + str(e), "reference": []}},
+                                           ensure_ascii=False) + "\n\n"
+            yield "data:" + json.dumps({"code": 0, "message": "", "data": True}, ensure_ascii=False) + "\n\n"
+
+        resp = Response(sse(), mimetype="text/event-stream")
+        resp.headers.add_header("Cache-control", "no-cache")
+        resp.headers.add_header("Connection", "keep-alive")
+        resp.headers.add_header("X-Accel-Buffering", "no")
+        resp.headers.add_header("Content-Type", "text/event-stream; charset=utf-8")
+        return resp
+
+    final_ans["content"] = "\n".join(answer["content"]) if "content" in answer else ""
+    canvas.messages.append({"role": "assistant", "content": final_ans["content"], "id": message_id})
+    if final_ans.get("reference"):
+        canvas.reference.append(final_ans["reference"])
+    cvs.dsl = json.loads(str(canvas))
+
+    result = {"answer": final_ans["content"], "reference": final_ans.get("reference", [])}
+    fillin_conv(result)
+    API4ConversationService.append_message(conv.id, conv.to_dict())
+    rename_field(result)
+    return get_result(data=result)
+
+
+@manager.route('/chats/<chat_id>/sessions', methods=['GET'])
+@token_required
+def list(chat_id,tenant_id):
+    if not DialogService.query(tenant_id=tenant_id, id=chat_id, status=StatusEnum.VALID.value):
+        return get_error_data_result(message=f"You don't own the assistant {chat_id}.")
+    id = request.args.get("id")
+    name = request.args.get("name")
+    page_number = int(request.args.get("page", 1))
+    items_per_page = int(request.args.get("page_size", 1024))
+    orderby = request.args.get("orderby", "create_time")
+    if request.args.get("desc") == "False" or request.args.get("desc") == "false":
+        desc = False
+    else:
+        desc = True
+    convs = ConversationService.get_list(chat_id,page_number,items_per_page,orderby,desc,id,name)
+    if not convs:
+        return get_result(data=[])
+    for conv in convs:
+        conv['messages'] = conv.pop("message")
+        infos = conv["messages"]
+        for info in infos:
+            if "prompt" in info:
+                info.pop("prompt")
+        conv["chat"] = conv.pop("dialog_id")
+        if conv["reference"]:
+            messages = conv["messages"]
+            message_num = 0
+            chunk_num = 0
+            while message_num < len(messages):
+                if message_num != 0 and messages[message_num]["role"] != "user":
+                    chunk_list = []
+                    if "chunks" in conv["reference"][chunk_num]:
+                        chunks = conv["reference"][chunk_num]["chunks"]
+                        for chunk in chunks:
+                            new_chunk = {
+                                "id": chunk["chunk_id"],
+                                "content": chunk["content_with_weight"],
+                                "document_id": chunk["doc_id"],
+                                "document_name": chunk["docnm_kwd"],
+                                "dataset_id": chunk["kb_id"],
+                                "image_id": chunk["img_id"],
+                                "similarity": chunk["similarity"],
+                                "vector_similarity": chunk["vector_similarity"],
+                                "term_similarity": chunk["term_similarity"],
+                                "positions": chunk["positions"],
+                            }
+                            chunk_list.append(new_chunk)
+                    chunk_num += 1
+                    messages[message_num]["reference"] = chunk_list
+                message_num += 1
+        del conv["reference"]
+    return get_result(data=convs)
+
+
+@manager.route('/chats/<chat_id>/sessions', methods=["DELETE"])
+@token_required
+def delete(tenant_id,chat_id):
+    if not DialogService.query(id=chat_id, tenant_id=tenant_id, status=StatusEnum.VALID.value):
+        return get_error_data_result(message="You don't own the chat")
+    req = request.json
+    convs = ConversationService.query(dialog_id=chat_id)
+    if not req:
+        ids = None
+    else:
+        ids=req.get("ids")
+
+    if not ids:
+        conv_list = []
+        for conv in convs:
+            conv_list.append(conv.id)
+    else:
+        conv_list=ids
+    for id in conv_list:
+        conv = ConversationService.query(id=id,dialog_id=chat_id)
+        if not conv:
+            return get_error_data_result(message="The chat doesn't own the session")
+        ConversationService.delete_by_id(id)
+    return get_result()
diff --git a/api/apps/system_app.py b/api/apps/system_app.py
index 67611a57f413ca3dcc1ed357b7be89d3d6de4fbb..0ebe075ab23d1d0415da8dd09d5cde43d000e9c6 100644
--- a/api/apps/system_app.py
+++ b/api/apps/system_app.py
@@ -29,8 +29,6 @@ from api.utils.api_utils import (
     get_data_error_result,
     server_error_response,
     generate_confirmation_token,
-    request,
-    validate_request,
 )
 from api.versions import get_rag_version
 from rag.utils.es_conn import ELASTICSEARCH
@@ -209,7 +207,7 @@ def new_token():
     try:
         tenants = UserTenantService.query(user_id=current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
 
         tenant_id = tenants[0].tenant_id
         obj = {
@@ -222,7 +220,7 @@ def new_token():
         }
 
         if not APITokenService.save(**obj):
-            return get_data_error_result(retmsg="Fail to new a dialog!")
+            return get_data_error_result(message="Fail to new a dialog!")
 
         return get_json_result(data=obj)
     except Exception as e:
@@ -263,7 +261,7 @@ def token_list():
     try:
         tenants = UserTenantService.query(user_id=current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
 
         objs = APITokenService.query(tenant_id=tenants[0].tenant_id)
         return get_json_result(data=[o.to_dict() for o in objs])
diff --git a/api/apps/tenant_app.py b/api/apps/tenant_app.py
index 98992c0339e83a8940a3146d37eac134c022644b..4ce652b1c0176188913b6e1b63d8f2390a9c2e8d 100644
--- a/api/apps/tenant_app.py
+++ b/api/apps/tenant_app.py
@@ -44,14 +44,14 @@ def create(tenant_id):
     req = request.json
     usrs = UserService.query(email=req["email"])
     if not usrs:
-        return get_data_error_result(retmsg="User not found.")
+        return get_data_error_result(message="User not found.")
 
     user_id = usrs[0].id
     user_tenants = UserTenantService.query(user_id=user_id, tenant_id=tenant_id)
     if user_tenants:
         if user_tenants[0].status == UserTenantRole.NORMAL.value:
-            return get_data_error_result(retmsg="This user is in the team already.")
-        return get_data_error_result(retmsg="Invitation notification is sent.")
+            return get_data_error_result(message="This user is in the team already.")
+        return get_data_error_result(message="Invitation notification is sent.")
 
     UserTenantService.save(
         id=get_uuid(),
diff --git a/api/apps/user_app.py b/api/apps/user_app.py
index a9d5c51ac4547d91caed377b2a5a646caf742af7..04db59256e4840fd66aa1a27b3e04e28c23d300f 100644
--- a/api/apps/user_app.py
+++ b/api/apps/user_app.py
@@ -36,7 +36,7 @@ from api.utils import (
     current_timestamp,
     datetime_format,
 )
-from api.db import UserTenantRole, LLMType, FileType
+from api.db import UserTenantRole, FileType
 from api.settings import (
     RetCode,
     GITHUB_OAUTH,
@@ -90,7 +90,7 @@ def login():
     """
     if not request.json:
         return get_json_result(
-            data=False, retcode=RetCode.AUTHENTICATION_ERROR, retmsg="Unauthorized!"
+            data=False, code=RetCode.AUTHENTICATION_ERROR, message="Unauthorized!"
         )
 
     email = request.json.get("email", "")
@@ -98,8 +98,8 @@ def login():
     if not users:
         return get_json_result(
             data=False,
-            retcode=RetCode.AUTHENTICATION_ERROR,
-            retmsg=f"Email: {email} is not registered!",
+            code=RetCode.AUTHENTICATION_ERROR,
+            message=f"Email: {email} is not registered!",
         )
 
     password = request.json.get("password")
@@ -107,7 +107,7 @@ def login():
         password = decrypt(password)
     except BaseException:
         return get_json_result(
-            data=False, retcode=RetCode.SERVER_ERROR, retmsg="Fail to crypt password"
+            data=False, code=RetCode.SERVER_ERROR, message="Fail to crypt password"
         )
 
     user = UserService.query_user(email, password)
@@ -119,12 +119,12 @@ def login():
         user.update_date = (datetime_format(datetime.now()),)
         user.save()
         msg = "Welcome back!"
-        return construct_response(data=response_data, auth=user.get_id(), retmsg=msg)
+        return construct_response(data=response_data, auth=user.get_id(), message=msg)
     else:
         return get_json_result(
             data=False,
-            retcode=RetCode.AUTHENTICATION_ERROR,
-            retmsg="Email and password do not match!",
+            code=RetCode.AUTHENTICATION_ERROR,
+            message="Email and password do not match!",
         )
 
 
@@ -323,7 +323,7 @@ def user_info_from_feishu(access_token):
         "Authorization": f"Bearer {access_token}",
     }
     res = requests.get(
-        f"https://open.feishu.cn/open-apis/authen/v1/user_info", headers=headers
+        "https://open.feishu.cn/open-apis/authen/v1/user_info", headers=headers
     )
     user_info = res.json()["data"]
     user_info["email"] = None if user_info.get("email") == "" else user_info["email"]
@@ -409,8 +409,8 @@ def setting_user():
         ):
             return get_json_result(
                 data=False,
-                retcode=RetCode.AUTHENTICATION_ERROR,
-                retmsg="Password error!",
+                code=RetCode.AUTHENTICATION_ERROR,
+                message="Password error!",
             )
 
         if new_password:
@@ -438,7 +438,7 @@ def setting_user():
     except Exception as e:
         stat_logger.exception(e)
         return get_json_result(
-            data=False, retmsg="Update failure!", retcode=RetCode.EXCEPTION_ERROR
+            data=False, message="Update failure!", code=RetCode.EXCEPTION_ERROR
         )
 
 
@@ -474,21 +474,21 @@ def user_profile():
 def rollback_user_registration(user_id):
     try:
         UserService.delete_by_id(user_id)
-    except Exception as e:
+    except Exception:
         pass
     try:
         TenantService.delete_by_id(user_id)
-    except Exception as e:
+    except Exception:
         pass
     try:
         u = UserTenantService.query(tenant_id=user_id)
         if u:
             UserTenantService.delete_by_id(u[0].id)
-    except Exception as e:
+    except Exception:
         pass
     try:
         TenantLLM.delete().where(TenantLLM.tenant_id == user_id).execute()
-    except Exception as e:
+    except Exception:
         pass
 
 
@@ -581,16 +581,16 @@ def user_add():
     if not re.match(r"^[\w\._-]+@([\w_-]+\.)+[\w-]{2,5}$", email_address):
         return get_json_result(
             data=False,
-            retmsg=f"Invalid email address: {email_address}!",
-            retcode=RetCode.OPERATING_ERROR,
+            message=f"Invalid email address: {email_address}!",
+            code=RetCode.OPERATING_ERROR,
         )
 
     # Check if the email address is already used
     if UserService.query(email=email_address):
         return get_json_result(
             data=False,
-            retmsg=f"Email: {email_address} has already registered!",
-            retcode=RetCode.OPERATING_ERROR,
+            message=f"Email: {email_address} has already registered!",
+            code=RetCode.OPERATING_ERROR,
         )
 
     # Construct user info data
@@ -617,15 +617,15 @@ def user_add():
         return construct_response(
             data=user.to_json(),
             auth=user.get_id(),
-            retmsg=f"{nickname}, welcome aboard!",
+            message=f"{nickname}, welcome aboard!",
         )
     except Exception as e:
         rollback_user_registration(user_id)
         stat_logger.exception(e)
         return get_json_result(
             data=False,
-            retmsg=f"User registration failure, error: {str(e)}",
-            retcode=RetCode.EXCEPTION_ERROR,
+            message=f"User registration failure, error: {str(e)}",
+            code=RetCode.EXCEPTION_ERROR,
         )
 
 
@@ -661,7 +661,7 @@ def tenant_info():
     try:
         tenants = TenantService.get_info_by(current_user.id)
         if not tenants:
-            return get_data_error_result(retmsg="Tenant not found!")
+            return get_data_error_result(message="Tenant not found!")
         return get_json_result(data=tenants[0])
     except Exception as e:
         return server_error_response(e)
diff --git a/api/utils/api_utils.py b/api/utils/api_utils.py
index 4813acbe5012f107fd0220edcf1869f5ca781ca9..9aa548646a4c8c92219eca8604a68b3f4b6d8fa3 100644
--- a/api/utils/api_utils.py
+++ b/api/utils/api_utils.py
@@ -97,19 +97,19 @@ def get_exponential_backoff_interval(retries, full_jitter=False):
     return max(0, countdown)
 
 
-def get_data_error_result(retcode=RetCode.DATA_ERROR,
-                          retmsg='Sorry! Data missing!'):
+def get_data_error_result(code=RetCode.DATA_ERROR,
+                          message='Sorry! Data missing!'):
     import re
     result_dict = {
-        "retcode": retcode,
-        "retmsg": re.sub(
+        "code": code,
+        "message": re.sub(
             r"rag",
             "seceum",
-            retmsg,
+            message,
             flags=re.IGNORECASE)}
     response = {}
     for key, value in result_dict.items():
-        if value is None and key != "retcode":
+        if value is None and key != "code":
             continue
         else:
             response[key] = value
@@ -120,26 +120,26 @@ def server_error_response(e):
     stat_logger.exception(e)
     try:
         if e.code == 401:
-            return get_json_result(retcode=401, retmsg=repr(e))
+            return get_json_result(code=401, message=repr(e))
     except BaseException:
         pass
     if len(e.args) > 1:
         return get_json_result(
-            retcode=RetCode.EXCEPTION_ERROR, retmsg=repr(e.args[0]), data=e.args[1])
+            code=RetCode.EXCEPTION_ERROR, message=repr(e.args[0]), data=e.args[1])
     if repr(e).find("index_not_found_exception") >= 0:
-        return get_json_result(retcode=RetCode.EXCEPTION_ERROR,
-                               retmsg="No chunk found, please upload file and parse it.")
+        return get_json_result(code=RetCode.EXCEPTION_ERROR,
+                               message="No chunk found, please upload file and parse it.")
 
-    return get_json_result(retcode=RetCode.EXCEPTION_ERROR, retmsg=repr(e))
+    return get_json_result(code=RetCode.EXCEPTION_ERROR, message=repr(e))
 
 
-def error_response(response_code, retmsg=None):
-    if retmsg is None:
-        retmsg = HTTP_STATUS_CODES.get(response_code, 'Unknown Error')
+def error_response(response_code, message=None):
+    if message is None:
+        message = HTTP_STATUS_CODES.get(response_code, 'Unknown Error')
 
     return Response(json.dumps({
-        'retmsg': retmsg,
-        'retcode': response_code,
+        'message': message,
+        'code': response_code,
     }), status=response_code, mimetype='application/json')
 
 
@@ -171,7 +171,7 @@ def validate_request(*args, **kwargs):
                     error_string += "required argument values: {}".format(
                         ",".join(["{}={}".format(a[0], a[1]) for a in error_arguments]))
                 return get_json_result(
-                    retcode=RetCode.ARGUMENT_ERROR, retmsg=error_string)
+                    code=RetCode.ARGUMENT_ERROR, message=error_string)
             return func(*_args, **_kwargs)
 
         return decorated_function
@@ -196,8 +196,8 @@ def send_file_in_mem(data, filename):
     return send_file(f, as_attachment=True, attachment_filename=filename)
 
 
-def get_json_result(retcode=RetCode.SUCCESS, retmsg='success', data=None):
-    response = {"retcode": retcode, "retmsg": retmsg, "data": data}
+def get_json_result(code=RetCode.SUCCESS, message='success', data=None):
+    response = {"code": code, "message": message, "data": data}
     return jsonify(response)
 
 def apikey_required(func):
@@ -207,7 +207,7 @@ def apikey_required(func):
         objs = APIToken.query(token=token)
         if not objs:
             return build_error_result(
-                error_msg='API-KEY is invalid!', retcode=RetCode.FORBIDDEN
+                message='API-KEY is invalid!', code=RetCode.FORBIDDEN
             )
         kwargs['tenant_id'] = objs[0].tenant_id
         return func(*args, **kwargs)
@@ -215,19 +215,19 @@ def apikey_required(func):
     return decorated_function
 
 
-def build_error_result(retcode=RetCode.FORBIDDEN, error_msg='success'):
-    response = {"error_code": retcode, "error_msg": error_msg}
+def build_error_result(code=RetCode.FORBIDDEN, message='success'):
+    response = {"code": code, "message": message}
     response = jsonify(response)
-    response.status_code = retcode
+    response.status_code = code
     return response
 
 
-def construct_response(retcode=RetCode.SUCCESS,
-                       retmsg='success', data=None, auth=None):
-    result_dict = {"retcode": retcode, "retmsg": retmsg, "data": data}
+def construct_response(code=RetCode.SUCCESS,
+                       message='success', data=None, auth=None):
+    result_dict = {"code": code, "message": message, "data": data}
     response_dict = {}
     for key, value in result_dict.items():
-        if value is None and key != "retcode":
+        if value is None and key != "code":
             continue
         else:
             response_dict[key] = value
@@ -284,7 +284,7 @@ def token_required(func):
         objs = APIToken.query(token=token)
         if not objs:
             return get_json_result(
-                data=False, retmsg='Token is not valid!', retcode=RetCode.AUTHENTICATION_ERROR
+                data=False, message='Token is not valid!', code=RetCode.AUTHENTICATION_ERROR
             )
         kwargs['tenant_id'] = objs[0].tenant_id
         return func(*args, **kwargs)
@@ -292,26 +292,26 @@ def token_required(func):
     return decorated_function
 
 
-def get_result(retcode=RetCode.SUCCESS, retmsg='error', data=None):
-    if retcode == 0:
+def get_result(code=RetCode.SUCCESS, message='error', data=None):
+    if code == 0:
         if data is not None:
-            response = {"code": retcode, "data": data}
+            response = {"code": code, "data": data}
         else:
-            response = {"code": retcode}
+            response = {"code": code}
     else:
-        response = {"code": retcode, "message": retmsg}
+        response = {"code": code, "message": message}
     return jsonify(response)
 
 
-def get_error_data_result(retmsg='Sorry! Data missing!', retcode=RetCode.DATA_ERROR,
+def get_error_data_result(message='Sorry! Data missing!', code=RetCode.DATA_ERROR,
                           ):
     import re
     result_dict = {
-        "code": retcode,
+        "code": code,
         "message": re.sub(
             r"rag",
             "seceum",
-            retmsg,
+            message,
             flags=re.IGNORECASE)}
     response = {}
     for key, value in result_dict.items():
diff --git a/docs/references/faq.md b/docs/references/faq.md
index 894e3164484303f8a62c8e9455f32e0d1df22a51..1aaee7d525927eba9008f94aadc26c45323eda3d 100644
--- a/docs/references/faq.md
+++ b/docs/references/faq.md
@@ -276,7 +276,7 @@ $ docker ps
 
 This is because you forgot to update the `vm.max_map_count` value in **/etc/sysctl.conf** and your change to this value was reset after a system reboot. 
 
-#### 4.10 `{"data":null,"retcode":100,"retmsg":"<NotFound '404: Not Found'>"}`
+#### 4.10 `{"data":null,"code":100,"message":"<NotFound '404: Not Found'>"}`
 
 Your IP address or port number may be incorrect. If you are using the default configurations, enter `http://<IP_OF_YOUR_MACHINE>` (**NOT 9380, AND NO PORT NUMBER REQUIRED!**) in your browser. This should work.
 
diff --git a/intergrations/chatgpt-on-wechat/plugins/ragflow_chat.py b/intergrations/chatgpt-on-wechat/plugins/ragflow_chat.py
index 3d8b43ea6857f2a4d45d7471e08e223f842578eb..c280a93dbfb5e472459b2f5c9fc8cad30f681a31 100644
--- a/intergrations/chatgpt-on-wechat/plugins/ragflow_chat.py
+++ b/intergrations/chatgpt-on-wechat/plugins/ragflow_chat.py
@@ -1,10 +1,8 @@
 import requests
-import json
-from bridge.context import Context, ContextType  # Import Context, ContextType
+from bridge.context import ContextType  # Import Context, ContextType
 from bridge.reply import Reply, ReplyType  # Import Reply, ReplyType
 from bridge import *
 from common.log import logger
-from config import conf
 from plugins import Plugin, register  # Import Plugin and register
 from plugins.event import Event, EventContext, EventAction  # Import event-related classes
 
@@ -68,12 +66,12 @@ class RAGFlowChat(Plugin):
                 logger.debug(f"[RAGFlowChat] New conversation response: {response.text}")
                 if response.status_code == 200:
                     data = response.json()
-                    if data.get("retcode") == 0:
+                    if data.get("code") == 0:
                         conversation_id = data["data"]["id"]
                         self.conversations[user_id] = conversation_id
                     else:
-                        logger.error(f"[RAGFlowChat] Failed to create conversation: {data.get('retmsg')}")
-                        return f"Sorry, unable to create a conversation: {data.get('retmsg')}"
+                        logger.error(f"[RAGFlowChat] Failed to create conversation: {data.get('message')}")
+                        return f"Sorry, unable to create a conversation: {data.get('message')}"
                 else:
                     logger.error(f"[RAGFlowChat] HTTP error when creating conversation: {response.status_code}")
                     return f"Sorry, unable to connect to RAGFlow API (create conversation). HTTP status code: {response.status_code}"
@@ -100,12 +98,12 @@ class RAGFlowChat(Plugin):
             logger.debug(f"[RAGFlowChat] Completion response: {response.text}")
             if response.status_code == 200:
                 data = response.json()
-                if data.get("retcode") == 0:
+                if data.get("code") == 0:
                     answer = data["data"]["answer"]
                     return answer
                 else:
-                    logger.error(f"[RAGFlowChat] Failed to get answer: {data.get('retmsg')}")
-                    return f"Sorry, unable to get a reply: {data.get('retmsg')}"
+                    logger.error(f"[RAGFlowChat] Failed to get answer: {data.get('message')}")
+                    return f"Sorry, unable to get a reply: {data.get('message')}"
             else:
                 logger.error(f"[RAGFlowChat] HTTP error when getting answer: {response.status_code}")
                 return f"Sorry, unable to connect to RAGFlow API (get reply). HTTP status code: {response.status_code}"
diff --git a/sdk/python/test/conftest.py b/sdk/python/test/conftest.py
index 455b6b5c17821a7bb552a766b9e23b23fed0cb01..bcad88f14c1a7ac92c45336c7c9b136579bc6c86 100644
--- a/sdk/python/test/conftest.py
+++ b/sdk/python/test/conftest.py
@@ -25,16 +25,16 @@ def register():
     register_data = {"email":EMAIL,"nickname":name,"password":PASSWORD}
     res = requests.post(url=url,json=register_data)
     res = res.json()
-    if res.get("retcode") != 0:
-        raise Exception(res.get("retmsg"))
+    if res.get("code") != 0:
+        raise Exception(res.get("message"))
 
 def login():
     url = HOST_ADDRESS + "/v1/user/login"
     login_data = {"email":EMAIL,"password":PASSWORD}
     response=requests.post(url=url,json=login_data)
     res = response.json()
-    if res.get("retcode")!=0:
-        raise Exception(res.get("retmsg"))
+    if res.get("code")!=0:
+        raise Exception(res.get("message"))
     auth = response.headers["Authorization"]
     return auth
 
@@ -46,7 +46,7 @@ def get_api_key_fixture():
     auth = {"Authorization": auth}
     response = requests.post(url=url,headers=auth)
     res = response.json()
-    if res.get("retcode") != 0:
-        raise Exception(res.get("retmsg"))
+    if res.get("code") != 0:
+        raise Exception(res.get("message"))
     return res["data"].get("token")
 
diff --git a/sdk/python/test/ragflow.txt b/sdk/python/test/ragflow.txt
index 59b7a28791f13f6bb88584cc4386fb1d0f0864d8..ad9ccb8db2d279d6a85d6937d01234094533bb40 100644
--- a/sdk/python/test/ragflow.txt
+++ b/sdk/python/test/ragflow.txt
@@ -1 +1 @@
-{"data":null,"retcode":100,"retmsg":"TypeError(\"download_document() got an unexpected keyword argument 'tenant_id'\")"}
+{"data":null,"code":100,"message":"TypeError(\"download_document() got an unexpected keyword argument 'tenant_id'\")"}
diff --git a/web/src/components/message-input/index.tsx b/web/src/components/message-input/index.tsx
index d786869c0b54d449d68cd902fc872073f278dcf8..e026581a3754d08bf23118ca73dbc1385c0bb939 100644
--- a/web/src/components/message-input/index.tsx
+++ b/web/src/components/message-input/index.tsx
@@ -53,8 +53,8 @@ const getFileIds = (fileList: UploadFile[]) => {
 };
 
 const isUploadSuccess = (file: UploadFile) => {
-  const retcode = get(file, 'response.retcode');
-  return typeof retcode === 'number' && retcode === 0;
+  const code = get(file, 'response.code');
+  return typeof code === 'number' && code === 0;
 };
 
 interface IProps {
@@ -116,7 +116,7 @@ const MessageInput = ({
       const creatingRet = await createConversationBeforeUploadDocument(
         file.name,
       );
-      if (creatingRet?.retcode === 0) {
+      if (creatingRet?.code === 0) {
         nextConversationId = creatingRet.data.id;
       }
     }
@@ -140,7 +140,7 @@ const MessageInput = ({
         originFileObj: file as any,
         response: ret,
         percent: 100,
-        status: ret?.retcode === 0 ? 'done' : 'error',
+        status: ret?.code === 0 ? 'done' : 'error',
       });
       return nextList;
     });
diff --git a/web/src/components/message-item/hooks.ts b/web/src/components/message-item/hooks.ts
index a411c570cc38c4083b53d33501d48513b964044e..cccfd234d447d3839edf0a697fda91b42759c4f4 100644
--- a/web/src/components/message-item/hooks.ts
+++ b/web/src/components/message-item/hooks.ts
@@ -43,8 +43,8 @@ export const useRemoveMessage = (
   const onRemoveMessage = useCallback(async () => {
     const pureId = getMessagePureId(messageId);
     if (pureId) {
-      const retcode = await deleteMessage(pureId);
-      if (retcode === 0) {
+      const code = await deleteMessage(pureId);
+      if (code === 0) {
         removeMessageById?.(messageId);
       }
     }
diff --git a/web/src/components/pdf-previewer/hooks.ts b/web/src/components/pdf-previewer/hooks.ts
index 80bc641688ec465b4615e3417301de12c7f80407..0774a9d9ae7f3f77f4ac85099c9f66b09ca1a377 100644
--- a/web/src/components/pdf-previewer/hooks.ts
+++ b/web/src/components/pdf-previewer/hooks.ts
@@ -6,8 +6,8 @@ export const useCatchDocumentError = (url: string) => {
 
   const fetchDocument = useCallback(async () => {
     const { data } = await axios.get(url);
-    if (data.retcode !== 0) {
-      setError(data?.retmsg);
+    if (data.code !== 0) {
+      setError(data?.message);
     }
   }, [url]);
   useEffect(() => {
diff --git a/web/src/hooks/chat-hooks.ts b/web/src/hooks/chat-hooks.ts
index 00980a735df7de4b342ad4d3f0581e1cf11f63b7..7346c0475388009735f41df44d8f0c64dd63cf0d 100644
--- a/web/src/hooks/chat-hooks.ts
+++ b/web/src/hooks/chat-hooks.ts
@@ -99,7 +99,7 @@ export const useFetchNextDialogList = () => {
       console.log('🚀 ~ queryFn: ~ params:', params);
       const { data } = await chatService.listDialog();
 
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         const list: IDialog[] = data.data;
         if (list.length > 0) {
           if (list.every((x) => x.id !== dialogId)) {
@@ -128,7 +128,7 @@ export const useSetNextDialog = () => {
     mutationKey: ['setDialog'],
     mutationFn: async (params: IDialog) => {
       const { data } = await chatService.setDialog(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({
           exact: false,
           queryKey: ['fetchDialogList'],
@@ -141,7 +141,7 @@ export const useSetNextDialog = () => {
           i18n.t(`message.${params.dialog_id ? 'modified' : 'created'}`),
         );
       }
-      return data?.retcode;
+      return data?.code;
     },
   });
 
@@ -200,12 +200,12 @@ export const useRemoveNextDialog = () => {
     mutationKey: ['removeDialog'],
     mutationFn: async (dialogIds: string[]) => {
       const { data } = await chatService.removeDialog({ dialogIds });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchDialogList'] });
 
         message.success(i18n.t('message.deleted'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -231,7 +231,7 @@ export const useFetchNextConversationList = () => {
     enabled: !!dialogId,
     queryFn: async () => {
       const { data } = await chatService.listConversation({ dialogId });
-      if (data.retcode === 0 && data.data.length > 0) {
+      if (data.code === 0 && data.data.length > 0) {
         handleClickConversation(data.data[0].id, '');
       }
       return data?.data;
@@ -303,7 +303,7 @@ export const useUpdateNextConversation = () => {
           ? params.conversation_id
           : getConversationId(),
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchConversationList'] });
       }
       return data;
@@ -328,10 +328,10 @@ export const useRemoveNextConversation = () => {
         conversationIds,
         dialogId,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchConversationList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -353,11 +353,11 @@ export const useDeleteMessage = () => {
         conversationId,
       });
 
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t(`message.deleted`));
       }
 
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -378,10 +378,10 @@ export const useFeedback = () => {
         ...params,
         conversationId,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t(`message.operated`));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -402,7 +402,7 @@ export const useCreateNextToken = () => {
     mutationKey: ['createToken'],
     mutationFn: async (params: Record<string, any>) => {
       const { data } = await chatService.createToken(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchTokenList'] });
       }
       return data?.data ?? [];
@@ -445,7 +445,7 @@ export const useRemoveNextToken = () => {
       tokens: string[];
     }) => {
       const { data } = await chatService.removeToken(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchTokenList'] });
       }
       return data?.data ?? [];
diff --git a/web/src/hooks/chunk-hooks.ts b/web/src/hooks/chunk-hooks.ts
index deee3aada1951f6d90066e2c707e48ecb5d0e77f..374f1c983351d2513e13bf39bda8a09596684f1c 100644
--- a/web/src/hooks/chunk-hooks.ts
+++ b/web/src/hooks/chunk-hooks.ts
@@ -57,7 +57,7 @@ export const useFetchNextChunkList = (): ResponseGetType<{
         available_int: available,
         keywords: searchString,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         const res = data.data;
         return {
           data: res.chunks,
@@ -126,11 +126,11 @@ export const useDeleteChunk = () => {
     mutationKey: ['deleteChunk'],
     mutationFn: async (params: { chunkIds: string[]; doc_id: string }) => {
       const { data } = await kbService.rm_chunk(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         setPaginationParams(1);
         queryClient.invalidateQueries({ queryKey: ['fetchChunkList'] });
       }
-      return data?.retcode;
+      return data?.code;
     },
   });
 
@@ -152,11 +152,11 @@ export const useSwitchChunk = () => {
       doc_id: string;
     }) => {
       const { data } = await kbService.switch_chunk(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.modified'));
         queryClient.invalidateQueries({ queryKey: ['fetchChunkList'] });
       }
-      return data?.retcode;
+      return data?.code;
     },
   });
 
@@ -179,11 +179,11 @@ export const useCreateChunk = () => {
         service = kbService.set_chunk;
       }
       const { data } = await service(payload);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.created'));
         queryClient.invalidateQueries({ queryKey: ['fetchChunkList'] });
       }
-      return data?.retcode;
+      return data?.code;
     },
   });
 
diff --git a/web/src/hooks/document-hooks.ts b/web/src/hooks/document-hooks.ts
index 1ee4384dd2b069a3851b5a1c13828b7ab1d25cdf..a794962df76ab30cd6cbfd711442e5632fc8a0bb 100644
--- a/web/src/hooks/document-hooks.ts
+++ b/web/src/hooks/document-hooks.ts
@@ -69,7 +69,7 @@ export const useFetchNextDocumentList = () => {
         page_size: pagination.pageSize,
         page: pagination.current,
       });
-      if (ret.data.retcode === 0) {
+      if (ret.data.code === 0) {
         return ret.data.data;
       }
 
@@ -118,7 +118,7 @@ export const useSetNextDocumentStatus = () => {
         doc_id: documentId,
         status: Number(status),
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t('message.modified'));
         queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
       }
@@ -149,11 +149,11 @@ export const useSaveNextDocumentName = () => {
         doc_id: documentId,
         name: name,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t('message.renamed'));
         queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -176,7 +176,7 @@ export const useCreateNextDocument = () => {
         name,
         kb_id: knowledgeId,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         if (page === 1) {
           queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
         } else {
@@ -185,7 +185,7 @@ export const useCreateNextDocument = () => {
 
         message.success(i18n.t('message.created'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -215,12 +215,12 @@ export const useSetNextDocumentParser = () => {
         doc_id: documentId,
         parser_config: parserConfig,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
 
         message.success(i18n.t('message.modified'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -246,12 +246,12 @@ export const useUploadNextDocument = () => {
 
       try {
         const ret = await kbService.document_upload(formData);
-        const retcode = get(ret, 'data.retcode');
-        if (retcode === 0) {
+        const code = get(ret, 'data.code');
+        if (code === 0) {
           message.success(i18n.t('message.uploaded'));
         }
 
-        if (retcode === 0 || retcode === 500) {
+        if (code === 0 || code === 500) {
           queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
         }
         return ret?.data;
@@ -281,12 +281,12 @@ export const useNextWebCrawl = () => {
       formData.append('kb_id', knowledgeId);
 
       const ret = await kbService.web_crawl(formData);
-      const retcode = get(ret, 'data.retcode');
-      if (retcode === 0) {
+      const code = get(ret, 'data.code');
+      if (code === 0) {
         message.success(i18n.t('message.uploaded'));
       }
 
-      return retcode;
+      return code;
     },
   });
 
@@ -317,13 +317,13 @@ export const useRunNextDocument = () => {
         doc_ids: documentIds,
         run,
       });
-      const retcode = get(ret, 'data.retcode');
-      if (retcode === 0) {
+      const code = get(ret, 'data.code');
+      if (code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
         message.success(i18n.t('message.operated'));
       }
 
-      return retcode;
+      return code;
     },
   });
 
@@ -338,7 +338,7 @@ export const useFetchDocumentInfosByIds = () => {
     initialData: [],
     queryFn: async () => {
       const { data } = await kbService.document_infos({ doc_ids: ids });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         return data.data;
       }
 
@@ -357,7 +357,7 @@ export const useFetchDocumentThumbnailsByIds = () => {
     initialData: {},
     queryFn: async () => {
       const { data } = await kbService.document_thumbnails({ doc_ids: ids });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         return data.data;
       }
       return {};
@@ -377,11 +377,11 @@ export const useRemoveNextDocument = () => {
     mutationKey: ['removeDocument'],
     mutationFn: async (documentIds: string | string[]) => {
       const { data } = await kbService.document_rm({ doc_id: documentIds });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t('message.deleted'));
         queryClient.invalidateQueries({ queryKey: ['fetchDocumentList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -398,7 +398,7 @@ export const useDeleteDocument = () => {
     mutationKey: ['deleteDocument'],
     mutationFn: async (documentIds: string[]) => {
       const data = await kbService.document_delete({ doc_ids: documentIds });
-      // if (data.retcode === 0) {
+      // if (data.code === 0) {
       //   queryClient.invalidateQueries({ queryKey: ['fetchFlowList'] });
       // }
       return data;
diff --git a/web/src/hooks/file-manager-hooks.ts b/web/src/hooks/file-manager-hooks.ts
index 1ae86786db80cfce9870edb4d3a2f99971db22eb..a7cbce87481242dfe8b55170ac582a4013384a93 100644
--- a/web/src/hooks/file-manager-hooks.ts
+++ b/web/src/hooks/file-manager-hooks.ts
@@ -103,11 +103,11 @@ export const useDeleteFile = () => {
     mutationKey: ['deleteFile'],
     mutationFn: async (params: { fileIds: string[]; parentId: string }) => {
       const { data } = await fileManagerService.removeFile(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         setPaginationParams(1); // TODO: There should be a better way to paginate the request list
         queryClient.invalidateQueries({ queryKey: ['fetchFileList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -125,11 +125,11 @@ export const useRenameFile = () => {
     mutationKey: ['renameFile'],
     mutationFn: async (params: { fileId: string; name: string }) => {
       const { data } = await fileManagerService.renameFile(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.renamed'));
         queryClient.invalidateQueries({ queryKey: ['fetchFileList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -170,12 +170,12 @@ export const useCreateFolder = () => {
         ...params,
         type: 'folder',
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.created'));
         setPaginationParams(1);
         queryClient.invalidateQueries({ queryKey: ['fetchFileList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -208,12 +208,12 @@ export const useUploadFile = () => {
       });
       try {
         const ret = await fileManagerService.uploadFile(formData);
-        if (ret?.data.retcode === 0) {
+        if (ret?.data.code === 0) {
           message.success(t('message.uploaded'));
           setPaginationParams(1);
           queryClient.invalidateQueries({ queryKey: ['fetchFileList'] });
         }
-        return ret?.data?.retcode;
+        return ret?.data?.code;
       } catch (error) {
         console.log('🚀 ~ useUploadFile ~ error:', error);
       }
@@ -235,11 +235,11 @@ export const useConnectToKnowledge = () => {
     mutationKey: ['connectFileToKnowledge'],
     mutationFn: async (params: IConnectRequestBody) => {
       const { data } = await fileManagerService.connectFileToKnowledge(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.operated'));
         queryClient.invalidateQueries({ queryKey: ['fetchFileList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -263,11 +263,11 @@ export const useMoveFile = () => {
     mutationKey: ['moveFile'],
     mutationFn: async (params: IMoveFileBody) => {
       const { data } = await fileManagerService.moveFile(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.operated'));
         queryClient.invalidateQueries({ queryKey: ['fetchFileList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
diff --git a/web/src/hooks/flow-hooks.ts b/web/src/hooks/flow-hooks.ts
index bde39217fd4ed0f1e9dbe324f00e637ac09a7623..bcd582bcb245a434eb1c9f5dcd99e1c93c2080a3 100644
--- a/web/src/hooks/flow-hooks.ts
+++ b/web/src/hooks/flow-hooks.ts
@@ -131,7 +131,7 @@ export const useSetFlow = () => {
       avatar?: string;
     }) => {
       const { data = {} } = await flowService.setCanvas(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(
           i18n.t(`message.${params?.id ? 'modified' : 'created'}`),
         );
@@ -154,7 +154,7 @@ export const useDeleteFlow = () => {
     mutationKey: ['deleteFlow'],
     mutationFn: async (canvasIds: string[]) => {
       const { data } = await flowService.removeCanvas({ canvasIds });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchFlowList'] });
       }
       return data?.data ?? [];
@@ -173,7 +173,7 @@ export const useRunFlow = () => {
     mutationKey: ['runFlow'],
     mutationFn: async (params: { id: string; dsl: DSL }) => {
       const { data } = await flowService.runCanvas(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t(`message.modified`));
       }
       return data?.data ?? {};
@@ -209,7 +209,7 @@ export const useTestDbConnect = () => {
     mutationKey: ['testDbConnect'],
     mutationFn: async (params: any) => {
       const ret = await flowService.testDbConnect(params);
-      if (ret?.data?.retcode === 0) {
+      if (ret?.data?.code === 0) {
         message.success(ret?.data?.data);
       } else {
         message.error(ret?.data?.data);
diff --git a/web/src/hooks/knowledge-hooks.ts b/web/src/hooks/knowledge-hooks.ts
index 69cd1e9462fc849f663708622e47d74a00ca9ffa..0dc245c06d172e6d9d129b8fecf5c64d2ae85fd2 100644
--- a/web/src/hooks/knowledge-hooks.ts
+++ b/web/src/hooks/knowledge-hooks.ts
@@ -70,7 +70,7 @@ export const useCreateKnowledge = () => {
     mutationKey: ['createKnowledge'],
     mutationFn: async (params: { id?: string; name: string }) => {
       const { data = {} } = await kbService.createKb(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(
           i18n.t(`message.${params?.id ? 'modified' : 'created'}`),
         );
@@ -93,7 +93,7 @@ export const useDeleteKnowledge = () => {
     mutationKey: ['deleteKnowledge'],
     mutationFn: async (id: string) => {
       const { data } = await kbService.rmKb({ kb_id: id });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t(`message.deleted`));
         queryClient.invalidateQueries({ queryKey: ['fetchKnowledgeList'] });
       }
@@ -120,7 +120,7 @@ export const useUpdateKnowledge = () => {
         kb_id: knowledgeBaseId,
         ...params,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(i18n.t(`message.updated`));
         queryClient.invalidateQueries({ queryKey: ['fetchKnowledgeDetail'] });
       }
@@ -155,7 +155,7 @@ export const useTestChunkRetrieval = (): ResponsePostType<ITestingResult> & {
         page,
         size: pageSize,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         const res = data.data;
         return {
           chunks: res.chunks,
diff --git a/web/src/hooks/llm-hooks.tsx b/web/src/hooks/llm-hooks.tsx
index 2ee3236c1d96e58788cfb5e0d408cdab0eeca265..14520fb95ff83297599024a4ad0752eb5e33662d 100644
--- a/web/src/hooks/llm-hooks.tsx
+++ b/web/src/hooks/llm-hooks.tsx
@@ -211,12 +211,12 @@ export const useSaveApiKey = () => {
     mutationKey: ['saveApiKey'],
     mutationFn: async (params: IApiKeySavingParams) => {
       const { data } = await userService.set_api_key(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.modified'));
         queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
         queryClient.invalidateQueries({ queryKey: ['factoryList'] });
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -242,10 +242,10 @@ export const useSaveTenantInfo = () => {
     mutationKey: ['saveTenantInfo'],
     mutationFn: async (params: ISystemModelSettingSavingParams) => {
       const { data } = await userService.set_tenant_info(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.modified'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -263,12 +263,12 @@ export const useAddLlm = () => {
     mutationKey: ['addLlm'],
     mutationFn: async (params: IAddLlmRequestBody) => {
       const { data } = await userService.add_llm(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
         queryClient.invalidateQueries({ queryKey: ['factoryList'] });
         message.success(t('message.modified'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -286,12 +286,12 @@ export const useDeleteLlm = () => {
     mutationKey: ['deleteLlm'],
     mutationFn: async (params: IDeleteLlmRequestBody) => {
       const { data } = await userService.delete_llm(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
         queryClient.invalidateQueries({ queryKey: ['factoryList'] });
         message.success(t('message.deleted'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -309,12 +309,12 @@ export const useDeleteFactory = () => {
     mutationKey: ['deleteFactory'],
     mutationFn: async (params: IDeleteLlmRequestBody) => {
       const { data } = await userService.deleteFactory(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['myLlmList'] });
         queryClient.invalidateQueries({ queryKey: ['factoryList'] });
         message.success(t('message.deleted'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
diff --git a/web/src/hooks/logic-hooks.ts b/web/src/hooks/logic-hooks.ts
index a2199637d6c5e8a083bbdbdd6abe370d5cd83b11..5ca6a895c4c5d8d192ea072dad549aaaad732ee0 100644
--- a/web/src/hooks/logic-hooks.ts
+++ b/web/src/hooks/logic-hooks.ts
@@ -248,8 +248,8 @@ export const useSpeechWithSse = (url: string = api.tts) => {
       });
       try {
         const res = await response.clone().json();
-        if (res?.retcode !== 0) {
-          message.error(res?.retmsg);
+        if (res?.code !== 0) {
+          message.error(res?.message);
         }
       } catch (error) {
         console.warn('🚀 ~ error:', error);
diff --git a/web/src/hooks/login-hooks.ts b/web/src/hooks/login-hooks.ts
index f149cdac1af6adb0a125467c1d30f625635d9930..35ee67f9f7f22e04362551a6c3233e4004d2f1ab 100644
--- a/web/src/hooks/login-hooks.ts
+++ b/web/src/hooks/login-hooks.ts
@@ -26,7 +26,7 @@ export const useLogin = () => {
     mutationKey: ['login'],
     mutationFn: async (params: { email: string; password: string }) => {
       const { data: res = {}, response } = await userService.login(params);
-      if (res.retcode === 0) {
+      if (res.code === 0) {
         const { data } = res;
         message.success(t('message.logged'));
         const authorization = response.headers.get(Authorization);
@@ -42,7 +42,7 @@ export const useLogin = () => {
           Token: token,
         });
       }
-      return res.retcode;
+      return res.code;
     },
   });
 
@@ -64,10 +64,10 @@ export const useRegister = () => {
       nickname: string;
     }) => {
       const { data = {} } = await userService.register(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.registered'));
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
@@ -84,12 +84,12 @@ export const useLogout = () => {
     mutationKey: ['logout'],
     mutationFn: async () => {
       const { data = {} } = await userService.logout();
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.logout'));
         authorizationUtil.removeAll();
         history.push('/login');
       }
-      return data.retcode;
+      return data.code;
     },
   });
 
diff --git a/web/src/hooks/user-setting-hooks.tsx b/web/src/hooks/user-setting-hooks.tsx
index e27646bfdfee3bee6e783cecec55f5db6a0bda89..6b14f3536f68ab051e49fa0b8434f01fc0cb1cfe 100644
--- a/web/src/hooks/user-setting-hooks.tsx
+++ b/web/src/hooks/user-setting-hooks.tsx
@@ -32,7 +32,7 @@ export const useFetchUserInfo = (): ResponseGetType<IUserInfo> => {
     gcTime: 0,
     queryFn: async () => {
       const { data } = await userService.user_info();
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         i18n.changeLanguage(
           LanguageTranslationMap[
             data.data.language as keyof typeof LanguageTranslationMap
@@ -54,7 +54,7 @@ export const useFetchTenantInfo = (): ResponseGetType<ITenantInfo> => {
     gcTime: 0,
     queryFn: async () => {
       const { data: res } = await userService.get_tenant_info();
-      if (res.retcode === 0) {
+      if (res.code === 0) {
         // llm_id is chat_id
         // asr_id is speech2txt
         const { data } = res;
@@ -116,11 +116,11 @@ export const useSaveSetting = () => {
       userInfo: { new_password: string } | Partial<IUserInfo>,
     ) => {
       const { data } = await userService.setting(userInfo);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.modified'));
         queryClient.invalidateQueries({ queryKey: ['userInfo'] });
       }
-      return data?.retcode;
+      return data?.code;
     },
   });
 
@@ -135,7 +135,7 @@ export const useFetchSystemVersion = () => {
     try {
       setLoading(true);
       const { data } = await userService.getSystemVersion();
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         setVersion(data.data);
         setLoading(false);
       }
@@ -156,7 +156,7 @@ export const useFetchSystemStatus = () => {
   const fetchSystemStatus = useCallback(async () => {
     setLoading(true);
     const { data } = await userService.getSystemStatus();
-    if (data.retcode === 0) {
+    if (data.code === 0) {
       setSystemStatus(data.data);
       setLoading(false);
     }
@@ -200,7 +200,7 @@ export const useRemoveSystemToken = () => {
     mutationKey: ['removeSystemToken'],
     mutationFn: async (token: string) => {
       const { data } = await userService.removeToken({}, token);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.deleted'));
         queryClient.invalidateQueries({ queryKey: ['fetchSystemTokenList'] });
       }
@@ -221,7 +221,7 @@ export const useCreateSystemToken = () => {
     mutationKey: ['createSystemToken'],
     mutationFn: async (params: Record<string, any>) => {
       const { data } = await userService.createToken(params);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['fetchSystemTokenList'] });
       }
       return data?.data ?? [];
@@ -264,10 +264,10 @@ export const useAddTenantUser = () => {
     mutationKey: ['addTenantUser'],
     mutationFn: async (email: string) => {
       const { data } = await addTenantUser(tenantInfo.tenant_id, email);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         queryClient.invalidateQueries({ queryKey: ['listTenantUser'] });
       }
-      return data?.retcode;
+      return data?.code;
     },
   });
 
@@ -296,7 +296,7 @@ export const useDeleteTenantUser = () => {
         tenantId: tenantId ?? tenantInfo.tenant_id,
         userId,
       });
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.deleted'));
         queryClient.invalidateQueries({ queryKey: ['listTenantUser'] });
         queryClient.invalidateQueries({ queryKey: ['listTenant'] });
@@ -342,7 +342,7 @@ export const useAgreeTenant = () => {
     mutationKey: ['agreeTenant'],
     mutationFn: async (tenantId: string) => {
       const { data } = await agreeTenant(tenantId);
-      if (data.retcode === 0) {
+      if (data.code === 0) {
         message.success(t('message.operated'));
         queryClient.invalidateQueries({ queryKey: ['listTenant'] });
       }
diff --git a/web/src/interfaces/database/base.ts b/web/src/interfaces/database/base.ts
index 80d0c94e3b328683523d569a26e9a6930b44ca32..da02afc291b5bd8820aaf749252619a70cb2827b 100644
--- a/web/src/interfaces/database/base.ts
+++ b/web/src/interfaces/database/base.ts
@@ -1,7 +1,7 @@
 export interface ResponseType<T = any> {
-  retcode: number;
+  code: number;
   data: T;
-  retmsg: string;
+  message: string;
   status: number;
 }
 
diff --git a/web/src/pages/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx b/web/src/pages/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx
index b9d70228f616d2518722ff3a7164660761efe1e9..7540c95545f43ecbe948d5eb7300976de1481160 100644
--- a/web/src/pages/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx
+++ b/web/src/pages/add-knowledge/components/knowledge-chunk/components/chunk-creating-modal/index.tsx
@@ -30,7 +30,7 @@ const ChunkCreatingModal: React.FC<IModalProps<any> & kFProps> = ({
   const { t } = useTranslation();
 
   useEffect(() => {
-    if (data?.retcode === 0) {
+    if (data?.code === 0) {
       const { content_with_weight, important_kwd = [] } = data.data;
       form.setFieldsValue({ content: content_with_weight });
       setKeywords(important_kwd);
diff --git a/web/src/pages/add-knowledge/components/knowledge-chunk/hooks.ts b/web/src/pages/add-knowledge/components/knowledge-chunk/hooks.ts
index 1db791f9db051fb6ac14f3541a03f0301e09882d..0e4a2742622367b13947d972cb6ecd1ac95ff0c4 100644
--- a/web/src/pages/add-knowledge/components/knowledge-chunk/hooks.ts
+++ b/web/src/pages/add-knowledge/components/knowledge-chunk/hooks.ts
@@ -96,14 +96,14 @@ export const useUpdateChunk = () => {
 
   const onChunkUpdatingOk = useCallback(
     async ({ content, keywords }: { content: string; keywords: string }) => {
-      const retcode = await createChunk({
+      const code = await createChunk({
         content_with_weight: content,
         doc_id: documentId,
         chunk_id: chunkId,
         important_kwd: keywords, // keywords
       });
 
-      if (retcode === 0) {
+      if (code === 0) {
         hideChunkUpdatingModal();
       }
     },
diff --git a/web/src/pages/add-knowledge/components/knowledge-file/hooks.ts b/web/src/pages/add-knowledge/components/knowledge-file/hooks.ts
index 1d1c7973985869b731d919cc5da3037dcf5ca967..d156213020638eac78884580eb22933025f068eb 100644
--- a/web/src/pages/add-knowledge/components/knowledge-file/hooks.ts
+++ b/web/src/pages/add-knowledge/components/knowledge-file/hooks.ts
@@ -148,20 +148,20 @@ export const useHandleUploadDocument = () => {
     async (fileList: UploadFile[]): Promise<number | undefined> => {
       if (fileList.length > 0) {
         const ret: any = await uploadDocument(fileList);
-        if (typeof ret?.retmsg !== 'string') {
+        if (typeof ret?.message !== 'string') {
           return;
         }
-        const count = getUnSupportedFilesCount(ret?.retmsg);
+        const count = getUnSupportedFilesCount(ret?.message);
         /// 500 error code indicates that some file types are not supported
-        let retcode = ret?.retcode;
+        let code = ret?.code;
         if (
-          ret?.retcode === 0 ||
-          (ret?.retcode === 500 && count !== fileList.length) // Some files were not uploaded successfully, but some were uploaded successfully.
+          ret?.code === 0 ||
+          (ret?.code === 500 && count !== fileList.length) // Some files were not uploaded successfully, but some were uploaded successfully.
         ) {
-          retcode = 0;
+          code = 0;
           hideDocumentUploadModal();
         }
-        return retcode;
+        return code;
       }
     },
     [uploadDocument, hideDocumentUploadModal],
diff --git a/web/src/pages/chat/hooks.ts b/web/src/pages/chat/hooks.ts
index bc0348a8a5d8347cf4f821711940286c706ef7cf..6bf45c6c2c7d63567d4fbb505041631a4c819acd 100644
--- a/web/src/pages/chat/hooks.ts
+++ b/web/src/pages/chat/hooks.ts
@@ -176,7 +176,7 @@ export const useEditDialog = () => {
     async (dialogId?: string) => {
       if (dialogId) {
         const ret = await fetchDialog(dialogId);
-        if (ret.retcode === 0) {
+        if (ret.code === 0) {
           setDialog(ret.data);
         }
       }
@@ -393,7 +393,7 @@ export const useSendNextMessage = (controller: AbortController) => {
         controller,
       );
 
-      if (res && (res?.response.status !== 200 || res?.data?.retcode !== 0)) {
+      if (res && (res?.response.status !== 200 || res?.data?.code !== 0)) {
         // cancel loading
         setValue(message.content);
         console.info('removeLatestMessage111');
@@ -421,7 +421,7 @@ export const useSendNextMessage = (controller: AbortController) => {
           true,
           conversationId,
         );
-        if (data.retcode === 0) {
+        if (data.code === 0) {
           setConversationIsNew('');
           const id = data.data.id;
           // currentConversationIdRef.current = id;
@@ -541,7 +541,7 @@ export const useRenameConversation = () => {
         is_new: false,
       });
 
-      if (ret.retcode === 0) {
+      if (ret.code === 0) {
         hideConversationRenameModal();
       }
     },
@@ -551,7 +551,7 @@ export const useRenameConversation = () => {
   const handleShowConversationRenameModal = useCallback(
     async (conversationId: string) => {
       const ret = await fetchConversation(conversationId);
-      if (ret.retcode === 0) {
+      if (ret.code === 0) {
         setConversation(ret.data);
       }
       showConversationRenameModal();
diff --git a/web/src/pages/chat/shared-hooks.ts b/web/src/pages/chat/shared-hooks.ts
index fc618a3a18950afff16f40e32aade8aa2783ac24..8508746e58c3eea2bb8940fd2685e3b8627d6b5a 100644
--- a/web/src/pages/chat/shared-hooks.ts
+++ b/web/src/pages/chat/shared-hooks.ts
@@ -96,7 +96,7 @@ export const useSendSharedMessage = (conversationId: string) => {
         messages: [...(derivedMessages ?? []), message],
       });
 
-      if (res && (res?.response.status !== 200 || res?.data?.retcode !== 0)) {
+      if (res && (res?.response.status !== 200 || res?.data?.code !== 0)) {
         // cancel loading
         setValue(message.content);
         removeLatestMessage();
@@ -111,7 +111,7 @@ export const useSendSharedMessage = (conversationId: string) => {
         sendMessage(message);
       } else {
         const data = await setConversation('user id');
-        if (data.retcode === 0) {
+        if (data.code === 0) {
           const id = data.data.id;
           sendMessage(message, id);
         }
diff --git a/web/src/pages/document-viewer/hooks.ts b/web/src/pages/document-viewer/hooks.ts
index aff4c5e02a47c42c69afc50fb1114e8fd00d25de..59ebcc413cd4fbed205ffa5e1042a5f14e555832 100644
--- a/web/src/pages/document-viewer/hooks.ts
+++ b/web/src/pages/document-viewer/hooks.ts
@@ -8,8 +8,8 @@ export const useCatchError = (api: string) => {
   const fetchDocument = useCallback(async () => {
     const ret = await axios.get(api);
     const { data } = ret;
-    if (!(data instanceof ArrayBuffer) && data.retcode !== 0) {
-      setError(data.retmsg);
+    if (!(data instanceof ArrayBuffer) && data.code !== 0) {
+      setError(data.message);
     }
     return ret;
   }, [api]);
diff --git a/web/src/pages/file-manager/hooks.ts b/web/src/pages/file-manager/hooks.ts
index 6be87c3664c35598a0443505154dc88c076c4d31..d1145e5725dd0d82fb4802c03aeda5798fca7e6b 100644
--- a/web/src/pages/file-manager/hooks.ts
+++ b/web/src/pages/file-manager/hooks.ts
@@ -141,8 +141,8 @@ export const useHandleDeleteFile = (
   const handleRemoveFile = () => {
     showDeleteConfirm({
       onOk: async () => {
-        const retcode = await removeDocument({ fileIds, parentId });
-        if (retcode === 0) {
+        const code = await removeDocument({ fileIds, parentId });
+        if (code === 0) {
           setSelectedRowKeys([]);
         }
         return;
diff --git a/web/src/pages/file-manager/move-file-modal/async-tree-select.tsx b/web/src/pages/file-manager/move-file-modal/async-tree-select.tsx
index 7643f250b8cd991c2453d70f6c0a026d95947f76..2ed1c80d6e0c39c1c680a9c9dc9d508404051159 100644
--- a/web/src/pages/file-manager/move-file-modal/async-tree-select.tsx
+++ b/web/src/pages/file-manager/move-file-modal/async-tree-select.tsx
@@ -22,7 +22,7 @@ const AsyncTreeSelect = ({ value, onChange }: IProps) => {
   const onLoadData: TreeSelectProps['loadData'] = useCallback(
     async ({ id }) => {
       const ret = await fetchList(id);
-      if (ret.retcode === 0) {
+      if (ret.code === 0) {
         setTreeData((tree) => {
           return tree.concat(
             ret.data.files
diff --git a/web/src/pages/flow/chat/hooks.ts b/web/src/pages/flow/chat/hooks.ts
index b0a6df7384c8721dc52197d56518792cf8a11ee7..c7ceae8dd6cf150df92a143cd5b09a2fc6e5cb55 100644
--- a/web/src/pages/flow/chat/hooks.ts
+++ b/web/src/pages/flow/chat/hooks.ts
@@ -151,7 +151,7 @@ export const useSendMessage = (
       const res = await send(params);
 
       if (receiveMessageError(res)) {
-        antMessage.error(res?.data?.retmsg);
+        antMessage.error(res?.data?.message);
 
         // cancel loading
         setValue(message.content);
@@ -227,7 +227,7 @@ export const useSendNextMessage = () => {
       const res = await send(params);
 
       if (receiveMessageError(res)) {
-        antMessage.error(res?.data?.retmsg);
+        antMessage.error(res?.data?.message);
 
         // cancel loading
         setValue(message.content);
diff --git a/web/src/pages/flow/hooks.ts b/web/src/pages/flow/hooks.ts
index 91bd24e8e81573ee8dae973eda20e8476f986dfc..6ed0f519d8386a13ecd793c163ab2cc986fea509 100644
--- a/web/src/pages/flow/hooks.ts
+++ b/web/src/pages/flow/hooks.ts
@@ -497,15 +497,15 @@ export const useSaveGraphBeforeOpeningDebugDrawer = (show: () => void) => {
   const { send } = useSendMessageWithSse(api.runCanvas);
   const handleRun = useCallback(async () => {
     const saveRet = await saveGraph();
-    if (saveRet?.retcode === 0) {
+    if (saveRet?.code === 0) {
       // Call the reset api before opening the run drawer each time
       const resetRet = await resetFlow();
       // After resetting, all previous messages will be cleared.
-      if (resetRet?.retcode === 0) {
+      if (resetRet?.code === 0) {
         // fetch prologue
         const sendRet = await send({ id });
         if (receiveMessageError(sendRet)) {
-          message.error(sendRet?.data?.retmsg);
+          message.error(sendRet?.data?.message);
         } else {
           refetch();
           show();
diff --git a/web/src/pages/flow/list/hooks.ts b/web/src/pages/flow/list/hooks.ts
index 5c4d3f903840b585611df6e1e04cd7df9b65ad7d..f82d9c0b65bc4277b4c4d34366d73b7fd6241a8e 100644
--- a/web/src/pages/flow/list/hooks.ts
+++ b/web/src/pages/flow/list/hooks.ts
@@ -53,7 +53,7 @@ export const useSaveFlow = () => {
         // },
       });
 
-      if (ret?.retcode === 0) {
+      if (ret?.code === 0) {
         hideFlowSettingModal();
         navigate(`/flow/${ret.data.id}`);
       }
diff --git a/web/src/pages/flow/utils.ts b/web/src/pages/flow/utils.ts
index 0a9b8815fd80f8789ce6385047689bbcdb3169b5..2abafd194f0c3e7229ecb741c47b8df89a78c812 100644
--- a/web/src/pages/flow/utils.ts
+++ b/web/src/pages/flow/utils.ts
@@ -144,7 +144,7 @@ export const buildDslComponentsByGraph = (
 };
 
 export const receiveMessageError = (res: any) =>
-  res && (res?.response.status !== 200 || res?.data?.retcode !== 0);
+  res && (res?.response.status !== 200 || res?.data?.code !== 0);
 
 // Replace the id in the object with text
 export const replaceIdWithText = (
diff --git a/web/src/pages/knowledge/hooks.ts b/web/src/pages/knowledge/hooks.ts
index a52fbbdbcb6daafa2b26c59c0c80f1c4e06d0e74..e978a6243700028e907122ceaaa363cb10391ab1 100644
--- a/web/src/pages/knowledge/hooks.ts
+++ b/web/src/pages/knowledge/hooks.ts
@@ -27,7 +27,7 @@ export const useSaveKnowledge = () => {
         name,
       });
 
-      if (ret?.retcode === 0) {
+      if (ret?.code === 0) {
         hideModal();
         navigate(
           `/knowledge/${KnowledgeRouteKey.Configuration}?id=${ret.data.kb_id}`,
diff --git a/web/src/pages/login/index.tsx b/web/src/pages/login/index.tsx
index 0a42098deb177dc3013c2ba9f9054fe2846b4ff9..a9774aecf5898b88ec96dd0b20aee4a796468bce 100644
--- a/web/src/pages/login/index.tsx
+++ b/web/src/pages/login/index.tsx
@@ -33,20 +33,20 @@ const Login = () => {
       const rsaPassWord = rsaPsw(params.password) as string;
 
       if (title === 'login') {
-        const retcode = await login({
+        const code = await login({
           email: params.email,
           password: rsaPassWord,
         });
-        if (retcode === 0) {
+        if (code === 0) {
           navigate('/knowledge');
         }
       } else {
-        const retcode = await register({
+        const code = await register({
           nickname: params.nickname,
           email: params.email,
           password: rsaPassWord,
         });
-        if (retcode === 0) {
+        if (code === 0) {
           setTitle('login');
         }
       }
diff --git a/web/src/pages/user-setting/setting-team/hooks.ts b/web/src/pages/user-setting/setting-team/hooks.ts
index 88e2dabedb411f09c2db95e4210d412dcf08ed44..250f858a40ee2a95e41db549932d74b7cd1a1ad7 100644
--- a/web/src/pages/user-setting/setting-team/hooks.ts
+++ b/web/src/pages/user-setting/setting-team/hooks.ts
@@ -17,8 +17,8 @@ export const useAddUser = () => {
 
   const handleAddUserOk = useCallback(
     async (email: string) => {
-      const retcode = await addTenantUser(email);
-      if (retcode === 0) {
+      const code = await addTenantUser(email);
+      if (code === 0) {
         hideAddingTenantModal();
       }
     },
@@ -40,8 +40,8 @@ export const useHandleDeleteUser = () => {
   const handleDeleteTenantUser = (userId: string) => () => {
     showDeleteConfirm({
       onOk: async () => {
-        const retcode = await deleteTenantUser({ userId });
-        if (retcode === 0) {
+        const code = await deleteTenantUser({ userId });
+        if (code === 0) {
         }
         return;
       },
diff --git a/web/src/utils/request.ts b/web/src/utils/request.ts
index 52ecc5f9c19c269779564435a5895d5f32449ca9..2d03c5e8f9d3634272d8cca5b8f26dbc03834d70 100644
--- a/web/src/utils/request.ts
+++ b/web/src/utils/request.ts
@@ -109,21 +109,21 @@ request.interceptors.response.use(async (response: any, options) => {
 
   const data: ResponseType = await response.clone().json();
 
-  if (data.retcode === 401 || data.retcode === 401) {
+  if (data.code === 401 || data.code === 401) {
     notification.error({
-      message: data.retmsg,
-      description: data.retmsg,
+      message: data.message,
+      description: data.message,
       duration: 3,
     });
     authorizationUtil.removeAll();
     history.push('/login'); // Will not jump to the login page
-  } else if (data.retcode !== 0) {
-    if (data.retcode === 100) {
-      message.error(data.retmsg);
+  } else if (data.code !== 0) {
+    if (data.code === 100) {
+      message.error(data.message);
     } else {
       notification.error({
-        message: `${i18n.t('message.hint')} : ${data.retcode}`,
-        description: data.retmsg,
+        message: `${i18n.t('message.hint')} : ${data.code}`,
+        description: data.message,
         duration: 3,
       });
     }