udpate loader

Causal3D.py

@@ -93,9 +93,10 @@ class Causal3D(datasets.GeneratorBasedBuilder):
 
         # ✅ 自动判断：远程则下载并解压，本地则直接使用
         if os.path.exists(scene_path):  # 本地路径直接用
-            data_dir = scene_path
+          data_dir = scene_path
         else:  # Hub 上运行或没有本地数据，则下载
-            data_dir = dl_manager.download_and_extract(scene_path)
+          archive_path = dl_manager.download_and_extract(f"{scene_path}.zip")
+          data_dir = os.path.join(archive_path, scene)
 
         return [
             datasets.SplitGenerator(