解决vue-cli创建项目的loader问题

$ npm i node-sass -D
$ npm i sass-loader -D

These dependencies were not found:

 !!vue-style-loader!css-loader?{"minimize":false,"sourceMap":false}!../../../../vue-loader/lib/style-piler/index?{"vue":true,"id":"da
ta-v-28d8bf8a","scoped":false,"hasInlineConfig":false}!../../../../vux-loader/src/after-less-loader.js!less-loader?{"sourceMap":false}!..
/../../../vux-loader/src/style-loader.js!../../../../vue-loader/lib/selector?type=styles&index=0!./index.vue in ./~/vux/src/ponents/ce
ll/index.vue
 !!vue-style-loader!css-loader?{"minimize":false,"sourceMap":false}!../../../../vue-loader/lib/style-piler/index?{"vue":true,"id":"da
ta-v-76475f48","scoped":false,"hasInlineConfig":false}!../../../../vux-loader/src/after-less-loader.js!less-loader?{"sourceMap":false}!..
/../../../vux-loader/src/style-loader.js!../../../../vue-loader/lib/selector?type=styles&index=0!./index.vue in ./~/vux/src/ponents/gr
oup/index.vue

To install them, you can run: npm install --save !!vue-style-loader!css-loader?{"minimize":false,"sourceMap":false}!../../../../vue-loade
r/lib/style-piler/index?{"vue":true,"id":"data-v-28d8bf8a","scoped":false,"hasInlineConfig":false}!../../../../vux-loader/src/after-le
ss-loader.js!less-loader?{"sourceMap":false}!../../../../vux-loader/src/style-loader.js!../../../../vue-loader/lib/selector?type=styles&i
ndex=0!./index.vue !!vue-style-loader!css-loader?{"minimize":false,"sourceMap":false}!../../../../vue-loader/lib/style-piler/index?{"v
ue":true,"id":"data-v-76475f48","scoped":false,"hasInlineConfig":false}!../../../../vux-loader/src/after-less-loader.js!less-loader?{"sou
rceMap":false}!../../../../vux-loader/src/style-loader.js!../../../../vue-loader/lib/selector?type=styles&index=0!./index.vue
> Listening at http://localhost:8080