导入方式修改

backend/app/main_graph/subgraph_wrapper.py

@@ -5,6 +5,8 @@
 from typing import Dict, Any, Optional
 from datetime import datetime
 
+from langchain_core.runnables.config import RunnableConfig
+
 from .state import MainGraphState, ErrorRecord, ErrorSeverity
 from ..logger import info
 
@@ -19,7 +21,7 @@ def wrap_subgraph_for_error_handling(subgraph, name: str):
 
     Returns: 包装后的节点函数
     """
-    async def wrapped_node(state: MainGraphState, config: Optional[Dict[str, Any]] = None) -> MainGraphState:
+    async def wrapped_node(state: MainGraphState, config: Optional[RunnableConfig] = None) -> MainGraphState:
         # 发送子图开始事件
         if config:
             try: