diff --git a/routes/chat.py b/routes/chat.py
index a584748..52e3509 100644
--- a/routes/chat.py
+++ b/routes/chat.py
@@ -525,7 +525,8 @@ async def chat_completions_v2(request: ChatRequestV2, authorization: Optional[st
             robot_type=bot_config.get("robot_type", "general_agent"),
             project_dir=project_dir,
             generate_cfg={},  # v2接口不传递额外的generate_cfg
-            user_identifier=request.user_identifier
+            user_identifier=request.user_identifier,
+            session_id=request.session_id
         )
 
     except HTTPException: