Update app.py

app.py

@@ -189,4 +189,4 @@ with gr.Blocks(css=css, theme="zenafey/prodia-web") as demo:
 
         upscale_stop_btn.click(fn=update_btn_end, outputs=[upscale_btn, upscale_stop_btn], cancels=[upscale_event])
 
-demo.queue().launch(max_threads=256)
+demo.queue(max_size=20, api_open=False).launch(max_threads=400)