Fix vtt format

modules/utils/subtitle_manager.py

@@ -86,8 +86,8 @@ def parse_vtt(file_path):
     for block in blocks:
         if block.strip() != '' and not block.strip().startswith("WebVTT"):
             lines = block.strip().split('\n')
-            timestamp = lines[1]
-            sentence = ' '.join(lines[2:])
+            timestamp = lines[0]
+            sentence = ' '.join(lines[1:])
 
             data.append({
                 "timestamp": timestamp,
@@ -109,7 +109,6 @@ def get_serialized_srt(dicts):
 def get_serialized_vtt(dicts):
     output = "WebVTT\n\n"
     for dic in dicts:
-        output += f'{dic["index"]}\n'
         output += f'{dic["timestamp"]}\n'
         output += f'{dic["sentence"]}\n\n'
     return output