diff --git a/gradio_ui.py b/gradio_ui.py
index 5e098c2..d5446a1 100644
--- a/gradio_ui.py
+++ b/gradio_ui.py
@@ -147,7 +147,7 @@ def enforce_input_exclusive_and_toggle_fields(selected):
     input_update = gr.update() if list(selected) == final_list else gr.update(value=final_list)
 
     show_api_fields = "API Models" in final_sel
-    api_field_update = gr.Column.update(visible=show_api_fields)
+    api_field_update = gr.update(visible=show_api_fields)  # ✅ 正确
 
     return input_update, api_field_update
 
@@ -247,7 +247,7 @@ with gr.Blocks(title="EvalScope 全功能界面") as demo:
     input_choices.change(
         fn=enforce_input_exclusive_and_toggle_fields,
         inputs=input_choices,
-        outputs=[input_choices, api_fields]
+        outputs=[input_choices, api_fields]  # ✅ 只输出这两个
     )
 
     run_button.click(