1.临时使用
npm --registry install https://registry.npm.taobao.org
2.更换 npm 库
npm config set registry https://registry.npm.taobao.org
验证
npm config get registry
3.恢复
npm config set registry https://registry.npmjs.org
npm --registry install https://registry.npm.taobao.org
npm config set registry https://registry.npm.taobao.org
验证
npm config get registry
npm config set registry https://registry.npmjs.org