安装包失败解决方式
node-sass
npm config set sass_binary_site https://npm.taobao.org/mirrors/node-sass/
electron
npm config set electron_mirror https://npm.taobao.org/mirrors/electron/
phantomjs
npm config set phantomjs_cdnurl https://npm.taobao.org/mirrors/phantomjs/
npm 无法识别 https://
报错提示： must be a full url with 'http://'
解决：npm config set strict-ssl false
