Update app.py

app.py

@@ -71,7 +71,7 @@ with gr.Blocks(theme=theme) as demo:
 
     with gr.Tab("手动键入"):
         chatbot = gr.Chatbot()
-        msg = gr.Textbox()
+        msg = gr.Textbox(label="请输入症状或问题")
         clear = gr.ClearButton([msg, chatbot])
         def respond(message, chat_history):
             result = working_func(message)