update queue

app.py

@@ -1865,7 +1865,7 @@ with gr.Blocks() as demo:
         success(playsound1, None, voice_output, queue=False) #.\
         # success(HMI_Wait, None, [submit_button, stop_button]).\
         # success(ClearAudio, None, voice_output)
-    clear_button.click(clearall, None, [chatbot, submit_button, stop_button], voice_output, cancels=[inf4,inf3,sum1], queue=False)
+    clear_button.click(clearall, None, [chatbot, submit_button, stop_button], voice_output, cancels=[inf4,inf3,sum1])
     # voice_output.end(ClearAudio, None, voice_output)
     # def clear_voice():
     #     print("clear audio ...")