1.得到原本的镜像地址
npm get registry
> https://registry.npmjs.org/
设成淘宝的
npm config set registry http://registry.npm.taobao.org/
yarn config set registry http://registry.npm.taobao.org/
2.换成原来的
npm config set registry https://registry.npmjs.org/
原文：https://www.cnblogs.com/Mr-Hawaii-Felix/p/10425843.html