diff --git a/src/heart_flow/sub_heartflow.py b/src/heart_flow/sub_heartflow.py
index c41200f69..97149d4ff 100644
--- a/src/heart_flow/sub_heartflow.py
+++ b/src/heart_flow/sub_heartflow.py
@@ -306,9 +306,7 @@ class SubHeartflow:
                     self.heart_fc_instance = None
 
                 chat_stream = chat_manager.get_stream(self.chat_id)
-                self.normal_chat_instance = NormalChat(
-                    chat_stream=chat_stream, interest_dict=self.get_interest_dict()
-                )
+                self.normal_chat_instance = NormalChat(chat_stream=chat_stream, interest_dict=self.get_interest_dict())
                 await self.normal_chat_instance.start_monitoring_interest()
                 # NormalChat 启动/停止逻辑将在下面处理