diff --git a/src/chat/normal_chat/normal_chat_generator.py b/src/chat/normal_chat/normal_chat_generator.py
index 41e8eecbe..df7cc6876 100644
--- a/src/chat/normal_chat/normal_chat_generator.py
+++ b/src/chat/normal_chat/normal_chat_generator.py
@@ -69,4 +69,4 @@ class NormalChatGenerator:
 
         except Exception:
             logger.exception("生成回复时出错")
-            return None
\ No newline at end of file
+            return None