导入方式修改

backend/app/main_graph/nodes/web_search.py

@@ -2,14 +2,15 @@
 联网搜索节点 - 执行搜索并将结果保存到状态
 """
 
-from typing import Dict, Any, Optional
+from typing import Optional
 from datetime import datetime
+from langchain_core.runnables.config import RunnableConfig
 
-from app.main_graph.state import MainGraphState, ErrorRecord, ErrorSeverity
-from app.logger import info
+from ...main_graph.state import MainGraphState, ErrorRecord, ErrorSeverity
+from ...logger import info
 
 
-async def web_search_node(state: MainGraphState, config: Optional[Dict[str, Any]] = None) -> MainGraphState:
+async def web_search_node(state: MainGraphState, config: Optional[RunnableConfig] = None) -> MainGraphState:
     """
     联网搜索节点：执行搜索并将结果保存到状态
     """
@@ -39,7 +40,7 @@ async def web_search_node(state: MainGraphState, config: Optional[Dict[str, Any]
     search_query = reasoning_result.metadata.get("search_query", state.user_query) if reasoning_result else state.user_query
 
     try:
-        from app.core import web_search
+        from backend.app.core import web_search
 
         print(f"[WebSearch] 搜索: {search_query}")
         search_result = web_search(search_query, max_results=5)