安装glup-sass后报错问题

在使用 yarn add gulp-sass命令安装sass后，执行gulp style，报错如下：

$ C:\Users\45818\lagoufed-e-task\part2\fed-e-task-02-01\code\pages-boilerplate\node_modules\.bin\gulp style
[06:54:39] Using gulpfile ~\lagoufed-e-task\part2\fed-e-task-02-01\code\pages-boilerplate\gulpfile.js
[06:54:39] Starting 'style'...
Error in plugin "gulp-sass"
Message:

Both the `sass` and `node-sass` packages are permitted.
For example, in your gulpfile:

  var sass = require('gulp-sass')(require('sass'));

[06:54:39] The following tasks did not complete: style
[06:54:39] Did you forget to signal async completion?
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
           

报错原因：因为node-sass被弃用了

解决方案：

使用下面命令安装sass

在js中引用如下：