The parameter array in the http request contains fields that are not in the database. When adding, you can avoid this by passing in the parameter true. During the update operation, first filter out these empty fields that are not in the database and then update.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
The parameter array in the http request contains fields that are not in the database. When adding, you can avoid this by passing in the parameter true. During the update operation, first filter out these empty fields that are not in the database and then update.