fix delete message error (#2153)

### What problem does this PR solve?



### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

api/db/services/task_service.py

@@ -42,6 +42,7 @@ class TaskService(CommonService):
             cls.model.doc_id,
             cls.model.from_page,
             cls.model.to_page,
+            cls.model.retry_count,
             Document.kb_id,
             Document.parser_id,
             Document.parser_config,