~~yarn config set registry <https://registry.npm.taobao.org~~>

新的：
**yarn config set registry <https://registry.npmmirror.com/**>
// 查询源
yarn config get registry

// 更换国内源
yarn config set registry <https://registry.npmmirror.com>

// 恢复官方源
**yarn config set registry <https://registry.yarnpkg.com>**

// 删除注册表
yarn config delete registry

设置回官方：yarn config set registry <https://registry.npmjs.org> --global

yarn config set sass-binary-site <http://npm.taobao.org/mirrors/node-sass>
或者
npm config set sass-binary-site <http://npm.taobao.org/mirrors/node-sass>
// 查询源
npm config get registry
// 更换国内源
npm config set registry <https://registry.npmmirror.com>
// 恢复官方源
npm config set registry <https://registry.npmjs.org>

npm config set registry <https://registry.npm.taobao.org>
npm config set disturl <https://npm.taobao.org/dist>

可以删除代理：

npm config rm proxy 
npm config rm https-proxy