导入方式修改

backend/app/main_graph/nodes/tool_call.py

@@ -6,12 +6,12 @@
 import asyncio
 from typing import Any, Dict
 from langchain_core.messages import AIMessage, ToolMessage
-from app.main_graph.config import get_stream_writer
+from ...main_graph.config import get_stream_writer
 
 # 本地模块
-from app.main_graph.state import MainGraphState
-from app.utils.logging import log_state_change
-from app.logger import debug, info
+from ...main_graph.state import MainGraphState
+from ...utils.logging import log_state_change
+from ...logger import debug, info
 
 def create_tool_call_node(tools_by_name: Dict[str, Any]):
     """