Copy the official website sample code to the project and run it and get an error:
png](https://img.php.cn/upload/image/000/000/000/6a795952e3a4615292652fd01c949c7e-0.png)
Error message, as shown in the picture.
Has anyone used this plug-in? How to solve this situation?
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Detect whether there is a form in the outer layer, remove it and you're done. Cheating
The message is so obvious. . . Check the form and properties.