When I open My homepage, it says hello world. Is the database not installed?
Is there any database operation in your code?
If you are not sure, you can open the probe script and take a look
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Is there any database operation in your code?
If you are not sure, you can open the probe script and take a look