删除npm缓存和模块
npm cache clean --force
npm install rimraf -g
rimraf node_modules

安装对应版本
node-v12.16.2-x64.msi
npm install -g npm@6.14.10

https://element.eleme.cn/#/zh-CN/component/table
https://el-admin.vip/pages/010305/#%E4%BD%BF%E7%94%A8%E5%85%A8%E5%B1%80%E7%BB%84%E4%BB%B6