diff --git a/web/app/components/datasets/documents/detail/completed/index.tsx b/web/app/components/datasets/documents/detail/completed/index.tsx
index 83f7e03248..3cc1632271 100644
--- a/web/app/components/datasets/documents/detail/completed/index.tsx
+++ b/web/app/components/datasets/documents/detail/completed/index.tsx
@@ -352,8 +352,7 @@ const Completed: FC<ICompletedProps> = ({
       params.attachment_ids = attachments.map(item => item.uploadedId!)
     }
 
-    if (summary)
-      params.summary = summary
+    params.summary = summary ?? ''
 
     if (needRegenerate)
       params.regenerate_child_chunks = needRegenerate