diff --git a/api/app/tasks.py b/api/app/tasks.py
index 29b0e485..712c0ee5 100644
--- a/api/app/tasks.py
+++ b/api/app/tasks.py
@@ -439,7 +439,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                     db.commit()
                                     db.refresh(db_file)
                                     # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
-                                    save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id), str(db_knowledge.parent_id))
+                                    save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id), str(db_knowledge.id))
                                     Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
                                     save_path = os.path.join(save_dir, f"{db_file.id}{db_file.file_ext}")
                                     # update file
@@ -571,7 +571,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                 else:  # --update
                                     # 1. update file
                                     # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
-                                    save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id), str(db_knowledge.parent_id))
+                                    save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id), str(db_knowledge.id))
                                     Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
 
                                     # download document from Feishu FileInfo
@@ -613,7 +613,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                             else:  # --add
                                 # 1. update file
                                 # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
-                                save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id), str(db_knowledge.parent_id))
+                                save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id), str(db_knowledge.id))
                                 Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
 
                                 # download document from Feishu FileInfo
@@ -727,7 +727,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                     # 1. update file
                                     # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
                                     save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id),
-                                                            str(db_knowledge.parent_id))
+                                                            str(db_knowledge.id))
                                     Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
                                     # download document from Feishu FileInfo
                                     async def async_download_document(api_client: FeishuAPIClient, doc: FileInfo, save_dir: str):
@@ -768,7 +768,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                 # 1. update file
                                 # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
                                 save_dir = os.path.join(settings.FILE_PATH, str(db_knowledge.id),
-                                                        str(db_knowledge.parent_id))
+                                                        str(db_knowledge.id))
                                 Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
                                 # download document from Feishu FileInfo
                                 async def async_download_document(api_client: FeishuAPIClient, doc: FileInfo, save_dir: str):