diff --git a/api/controllers/console/datasets/error.py b/api/controllers/console/datasets/error.py
index 31474b97bd..2f00a84de6 100644
--- a/api/controllers/console/datasets/error.py
+++ b/api/controllers/console/datasets/error.py
@@ -101,4 +101,3 @@ class ChildChunkDeleteIndexError(BaseHTTPException):
     error_code = "child_chunk_delete_index_error"
     description = "Delete child chunk index failed: {message}"
     code = 500
-