淘宝镜像：npm config set registry https://registry.npmmirror.com
npm config set registry https://registry.npm.taobao.org(已失效)
华为镜像：npm config set registry https://mirrors.huaweicloud.com/repository/npm/
官方镜像：npm config set registry https://registry.npmjs.org/
查看当前设置的镜像：npm config get registry
