Update app.py

app.py

@@ -681,5 +681,5 @@ with gr.Blocks(theme=purple_theme, css=custom_css) as demo:
     )
 
 if __name__ == "__main__":
-    # 并发放宽至 20
-    demo.queue(default_concurrency_limit=20).launch()
+    # 并发放宽至 5
+    demo.queue(default_concurrency_limit=5).launch()