淘宝源不可用，nvm 和 node更换阿里源

npm更换阿里源

#查看当前使用的镜像地址命令
npm config get registry

#设置阿里镜像源
npm config set registry http://registry.npmmirror.com

#切回npm默认源
npm config set registry https://registry.npmjs.org

nvm更换阿里源 找到nvm目录，找到settings.txt

root: C:\Users\admin\AppData\Roaming\nvm
path: C:\Program Files\nodejs
node_mirror: https://npmmirror.com/mirrors/node/
npm_mirror: https://npmmirror.com/mirrors/npm/