diff --git a/api/apps/document_app.py b/api/apps/document_app.py
index 7ec8c1587..6e5689625 100644
--- a/api/apps/document_app.py
+++ b/api/apps/document_app.py
@@ -607,7 +607,7 @@ async def get_image(image_id):
 @login_required
 @validate_request("conversation_id")
 async def upload_and_parse():
-    files = await request.file
+    files = await request.files
     if "file" not in files:
         return get_json_result(data=False, message="No file part!", code=RetCode.ARGUMENT_ERROR)