diff --git a/meta_ui.py b/meta_ui.py
index d43561c..49f6edf 100644
--- a/meta_ui.py
+++ b/meta_ui.py
@@ -172,7 +172,7 @@ def chat(
         # yield result, log_state       # 第一次真正把模型回复丢给前端
         if api_suffix == "/v1/chat/completions":
             history.append({"role": "assistant", "content": result["text"]})
-            yield result["text"], log_state
+            yield result["text"], None
         else:
             yield result["text"], log_state