npm镜像切换
1.查看当前镜像地址
npm get registry
> https://registry.npmjs.org/
设成淘宝的
npm config set registry http://registry.npm.taobao.org/
2.换成原来的
npm config set registry https://registry.npmjs.org/
3.删除代理
npm config delete proxy
npm config delete https-proxy
over