Update app.py

app.py

@@ -45,7 +45,8 @@ with gr.Blocks() as demo:
     file_msg = btn.upload(add_file, [chatbot, btn], [chatbot], queue=False).then(
         bot, chatbot, chatbot
     )
-    btn.upload(lambda : gr.update(label='Uploading...'), [], btn)
+    btn.upload(lambda : gr.update(label='⬆️🖼️'), [], btn)
+    txt_msg = txt.submit(lambda : gr.update(label="📁", interactive=True),[],btn)
 
 demo.queue()
 demo.launch(debug=True)