Update app.py

app.py

@@ -675,12 +675,13 @@ with gr.Blocks(theme=gr.themes.Soft(), css=css) as demo:
     )
 
     def update_controls(bg_prompt):
-        """배경 프롬프트 입력 여부에 따라 컨트롤 표시 업데이트"""
         is_visible = bool(bg_prompt)
         return [
-            gr.update(visible=is_visible),  # aspect_ratio
+            gr.update(visible=is_visible, interactive=is_visible),  # aspect_ratio
             gr.update(visible=is_visible),  # object_controls
         ]
+    
+
 
     bg_prompt.change(
         fn=update_controls,