The code is like this. But when I visit, the webpage cannot be opened. I don’t know why. Is there something wrong with this code? In fact, I just want to implement a website with php with cookies. Is there anyone who knows how to help me? 
小白 please source code
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
