Update app.py

app.py

@@ -26,7 +26,7 @@ with demo:
     with gr.Column():
         text_input=gr.Textbox(placeholder='请输入测试字符串',label="请输入需要MD5加密的测试内容")
         text_output=gr.Textbox(label="输出",visible=False)
-        text_input.submit(fn=lambda visible: gr.update(visible=True), inputs=text_input, outputs=text_output)
+        text_input.change(fn=lambda visible: gr.update(visible=True), inputs=text_input, outputs=text_output)
         bb_button=gr.Button("运行")
         bb_button.click(fx, inputs=text_input, outputs=text_output,api_name='md5')
     with gr.Column():