ERROR  Failed to compile with 2 errors                                                                                  上午8:38:06
These relative modules were not found:

* ./Logo in ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/layout/index.vue?vue&type=script&lang=js&
* ./SidebarItem in ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/layout/index.vue?vue&type=script&lang=js&

这种报错大多数都是路径问题，我这里是找到报错位置，补全代码就行了

import Logo from './components/Sidebar/Logo.vue'
import SidebarItem from './components/Sidebar/SidebarItem.vue'

遇到这种问题不要慌，先 npm install 一下

如果不报错，就说明依赖没有问题，那大概率就是路径的问题了。

学习没有捷径，慢慢解决bug，慢慢前进