Revert to correct Gradio queue configuration

app.py

@@ -453,6 +453,7 @@ ACTIVATE_CAROUSEEL_JS = '''
 
 with gr.Blocks(theme=gr.themes.Soft(), css=CUSTOM_CSS) as demo:
 
+    demo.queue()
     gr.Markdown("# 🚀 PRAgent: Paper to Social Media Post")
     gr.Markdown("Upload a research paper PDF, and I will generate a social media post for Twitter or Xiaohongshu, complete with images and platform-specific styling.")
 
@@ -491,7 +492,7 @@ with gr.Blocks(theme=gr.themes.Soft(), css=CUSTOM_CSS) as demo:
             language_select
         ],
         outputs=[status_text, output_container, download_button]
-    ).queue()
+    )
 
     # 链接 .then() 事件，在前一个事件成功后执行 JavaScript
     click_event.then(