node有版本要求么？为什么我一升级node-sass版本就开始报错，运行不起来
Syntax Error: Error: PostCSS received undefined instead of CSS string

@ ./src/assets/scss/index.scss 4:14-234 15:3-20:5 16:22-242
@ ./src/main.js
@ multi (webpack)-dev-server/client?http://192.168.0.102:8080&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.js

error in ./src/App.vue?vue&type=style&index=0&id=7ba5bd90&lang=scss

Syntax Error: Error: PostCSS received undefined instead of CSS string
at runMicrotasks ()

@ ./node_modules/vue-style-loader??ref–9-oneOf-1-0!./node_modules/css-loader/dist/cjs.js??ref–9-oneOf-1-1!./node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist/stylePostLoader.js!./node_modules/postcss-loader/src??ref–9-oneOf-1-2!./node_modules/sass-loader/dist/cjs.js??ref–9-oneOf-1-3!./node_modules/cache-loader/dist/cjs.js??ref–1-0!./node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref–1-1!./src/App.vue?vue&type=style&index=0&id=7ba5bd90&lang=scss 4:14-479 15:3-20:5 16:22-487
@ ./src/App.vue?vue&type=style&index=0&id=7ba5bd90&lang=scss
@ ./src/App.vue
@ ./src/main.js
@ multi (webpack)-dev-server/client?http://192.168.0.102:8080&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.js