Frontend Project setup npm install npm install --save crypto-js Compiles and hot-reloads for development npm run serve Compiles and minifies for production npm run build Customize configuration See Configuration Reference. taobao jingxiang npm install -g cnpm --registry=https://registry.npm.taobao.org sass npm uninstall sass-loader node-sass npm install sass-loader@8.0.2 sass@1.26.5 --save-dev