假如说一个产品n个评论，直接存放到mongo的一个document，会不会有问题？通过python或者php读到redis有没有问题？
No problem, what are you worried about
Imagine the user who made these comments has changed their name
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
No problem, what are you worried about
Imagine the user who made these comments has changed their name