diff --git a/src/routers/chat.py b/src/routers/chat.py
index 7c49b28..b3a6854 100644
--- a/src/routers/chat.py
+++ b/src/routers/chat.py
@@ -247,9 +247,6 @@ async def chat_stream(request: ChatRequest):
                             "tool_name": message.name,
                             "tool_call_id": message.tool_call_id
                         })
-                        # 特殊处理：如果内容看起来是用户画像或特定格式
-                        if "实时用户画像" in message.content:
-                            payload_out["type"] = "user_persona"
                         yield f"data: {json.dumps(payload_out, ensure_ascii=False)}\n\n"
 
                     elif isinstance(message, AIMessage):