1.得到当前的镜像地址
npm get registry
> https://registry.npmjs.org/
2.npm,yarn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/
3. Electron 换成淘宝镜相
set ELECTRON_MIRROR=https://npm.taobao.org/mirrors/electron/
4. 手动设置镜相
在用户目录中打开（ 如C://[用户名]/.npmrc ）
registry=https://registry.npm.taobao.org
sass_binary_site=https://npm.taobao.org/mirrors/node-sass/
electron_mirror=https://npm.taobao.org/mirrors/electron/
其它镜像：
开源镜像: http://npm.taobao.org/mirrors
Node.js 镜像: http://npm.taobao.org/mirrors/node
alinode 镜像: http://npm.taobao.org/mirrors/alinode
phantomjs 镜像: http://npm.taobao.org/mirrors/phantomjs
ChromeDriver 镜像: http://npm.taobao.org/mirrors/chromedriver
OperaDriver 镜像: http://npm.taobao.org/mirrors/operadriver
Selenium 镜像: http://npm.taobao.org/mirrors/selenium
Node.js 文档镜像: http://npm.taobao.org/mirrors/node/latest/docs/api/index.html
NPM 镜像: https://npm.taobao.org/mirrors/npm/
electron 镜像: https://npm.taobao.org/mirrors/electron/
node-inspector 镜像: https://npm.taobao.org/mirrors/node-inspector/
