Module build failed: TypeError: this.getOptions is not a function at Object.lessLoader

Module build failed: TypeError: this.getOptions is not a function
at Object.lessLoader (E:a-website-render ode_modulesless-loaderdistindex.js:19:24)

安装less-loader并且在页面写上lang="less"后，运行就报这个错

这是因为less-loader版本过高导致的，卸载后重新装即可

npm install less-loader@5.0.0 --save-dev