报错内容如下：
ERROR in ./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=_v-ab8ce592&file=app.vue!./~/autoprefixer-
loader!./~/vue-loader/lib/selector.js?type=style&index=0!./src/components/app.vueModule build failed:
Error: Unsupported previous source map format: {"version":3,"sources":["src/components/app.vue? b071b128"],"names:
解决办法：style标签添加lang="sass"
Paste_Image.png
