npm run dev报错this.getOptions is not a funtion

原因：scss-loader 版本太高
解决：将下面内容复制到package.json,重新npm i

"node-sass":"^4.12.0",
"sass-loader":"^8.0.0"

或者

  npm uninstall --save sass-loader
  npm i -D sass-loader@8.x
  npm uninstall --save node-sass
  npm i node-sass@4.14.1