docs: vite2 to vite3

README.md

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 ## Introduction
 
-vue-element-plus-admin is a free and open source middle and background template based on `element-plus`. Developed using the latest mainstream technologies such as `vue3`, `vite2` and `typescript`, the out of the box middle and background front-end solution can be used as the starting template of the project and learning reference. And always pay attention to the latest technological trends and update them as soon as possible.
+vue-element-plus-admin is a free and open source middle and background template based on `element-plus`. Developed using the latest mainstream technologies such as `vue3`, `vite3` and `typescript`, the out of the box middle and background front-end solution can be used as the starting template of the project and learning reference. And always pay attention to the latest technological trends and update them as soon as possible.
 
 vue-element-plus-admin is positioned as a background integration scheme, which is not suitable for secondary development as a basic template. Because it integrates many functions that you may not use, it will cause a lot of code redundancy. If your project doesn't pay attention to this problem, you can also directly carry out secondary development based on it.
 

README.zh-CN.md

@@ -9,7 +9,7 @@
 
 ## 介绍
 
-vue-element-plus-admin 是一个基于 `element-plus` 免费开源的中后台模版。使用了最新的`vue3`，`vite2`，`TypeScript`等主流技术开发，开箱即用的中后台前端解决方案，可以用来作为项目的启动模版，也可用于学习参考。并且时刻关注着最新技术动向，尽可能的第一时间更新。
+vue-element-plus-admin 是一个基于 `element-plus` 免费开源的中后台模版。使用了最新的`vue3`，`vite3`，`TypeScript`等主流技术开发，开箱即用的中后台前端解决方案，可以用来作为项目的启动模版，也可用于学习参考。并且时刻关注着最新技术动向，尽可能的第一时间更新。
 
 vue-element-plus-admin 的定位是后台集成方案，不太适合当基础模板来进行二次开发。因为集成了很多你可能用不到的功能，会造成不少的代码冗余。如果你的项目不关注这方面的问题，也可以直接基于它进行二次开发。