diff --git a/src/heart_flow/heartflow.py b/src/heart_flow/heartflow.py
index fd99bf7af..9fa0211fd 100644
--- a/src/heart_flow/heartflow.py
+++ b/src/heart_flow/heartflow.py
@@ -343,10 +343,15 @@ class Heartflow:
 
                         for sub_hf in subflows_snapshot:
                             # Double-check if subflow still exists and is in CHAT state
-                            if sub_hf.subheartflow_id in self._subheartflows and sub_hf.chat_state.chat_status == ChatState.CHAT:
+                            if (
+                                sub_hf.subheartflow_id in self._subheartflows
+                                and sub_hf.chat_state.chat_status == ChatState.CHAT
+                            ):
                                 evaluated_count += 1
                                 if await sub_hf.should_evaluate_reply():
-                                    stream_name = chat_manager.get_stream_name(sub_hf.subheartflow_id) or sub_hf.subheartflow_id
+                                    stream_name = (
+                                        chat_manager.get_stream_name(sub_hf.subheartflow_id) or sub_hf.subheartflow_id
+                                    )
                                     log_prefix = f"[{stream_name}]"
                                     logger.info(f"{log_prefix} 兴趣概率触发，尝试将状态从 CHAT 提升到 FOCUSED")
                                     # set_chat_state handles limit checks and HeartFChatting creation internally
@@ -377,7 +382,7 @@ class Heartflow:
         """获取所有活跃子心流的当前兴趣状态"""
         _states = {}
         # 创建副本以避免在迭代时修改字典
-        items_snapshot = list(self._subheartflows.items()) # Make a copy for safe iteration
+        items_snapshot = list(self._subheartflows.items())  # Make a copy for safe iteration
         tasks = []
         results = {}
 
@@ -391,7 +396,7 @@ class Heartflow:
 
         # Wait for all tasks to complete
         if tasks:
-            done, pending = await asyncio.wait(tasks, timeout=5.0) # Add a timeout
+            done, pending = await asyncio.wait(tasks, timeout=5.0)  # Add a timeout
 
             if pending:
                 logger.warning(f"[Heartflow] Getting interest states timed out for {len(pending)} tasks.")
@@ -399,12 +404,12 @@ class Heartflow:
                     task.cancel()
 
             for task in done:
-                stream_id = task.get_name().split("_")[-1] # Extract stream_id from task name
+                stream_id = task.get_name().split("_")[-1]  # Extract stream_id from task name
                 try:
                     result = task.result()
                     results[stream_id] = result
                 except asyncio.CancelledError:
-                     logger.warning(f"[Heartflow] Task to get interest state for {stream_id} was cancelled (timeout).")
+                    logger.warning(f"[Heartflow] Task to get interest state for {stream_id} was cancelled (timeout).")
                 except Exception as e:
                     logger.warning(f"[Heartflow] Error getting interest state for subheartflow {stream_id}: {e}")
 
diff --git a/src/plugins/heartFC_chat/heartflow_prompt_builder.py b/src/plugins/heartFC_chat/heartflow_prompt_builder.py
index 86c0d3cff..db7023dd0 100644
--- a/src/plugins/heartFC_chat/heartflow_prompt_builder.py
+++ b/src/plugins/heartFC_chat/heartflow_prompt_builder.py
@@ -476,7 +476,6 @@ class PromptBuilder:
         return related_info
 
     async def get_prompt_info(self, message: str, threshold: float):
-
         related_info = ""
         start_time = time.time()
 
@@ -486,7 +485,9 @@ class PromptBuilder:
 
         end_time = time.time()
         if found_knowledge_from_lpmm is not None:
-            logger.debug(f"从LPMM知识库获取知识，相关信息：{found_knowledge_from_lpmm[:100]}...，信息长度: {len(found_knowledge_from_lpmm)}")
+            logger.debug(
+                f"从LPMM知识库获取知识，相关信息：{found_knowledge_from_lpmm[:100]}...，信息长度: {len(found_knowledge_from_lpmm)}"
+            )
             related_info += found_knowledge_from_lpmm
             logger.debug(f"获取知识库内容耗时: {(end_time - start_time):.3f}秒")
             logger.debug(f"获取知识库内容，相关信息：{related_info[:100]}...，信息长度: {len(related_info)}")
@@ -497,8 +498,6 @@ class PromptBuilder:
             related_info += knowledge_from_old
             logger.debug(f"获取知识库内容，相关信息：{related_info[:100]}...，信息长度: {len(related_info)}")
             return related_info
-    
-    
 
     @staticmethod
     def get_info_from_db(