If the verification code is entered incorrectly, an error will pop up. If the verification code is entered correctly, it will not pop up but will not jump to the background. 
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The login has been successful and the redirect has been made. Isn’t that correct? Look at your code
Did the alert pop up?
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
