升级vue-element-admin中element-ui的版本报错缺少math.div 函数

报错内容缺少math.div 函数

98% after emitting CopyPlugin

 ERROR  Failed to compile with 1 error                                                                                                           10:31:42 ├F10: PM┤

 error  in ./src/styles/element-variables.scss

Syntax Error: SassError: Undefined function.
    ╷
490 │ $--group-option-flex: 0 0 math.div(1, 5) * 100% !default;
    │                           ^^^^^^^^^^^^^^
    ╵
  node_modules\element-ui\packages\theme-chalk\src\common\var.scss 490:27  @import
  node_modules\element-ui\packages\theme-chalk\src\mixins\mixins.scss 2:9  @import
  node_modules\element-ui\packages\theme-chalk\src\pagination.scss 1:9     @import
  E:\前端模板数据\vue-element-admin 版本\集成方案\vue-element-admin-master\src\styles\element-variables.scss 27:9
             root stylesheet


 @ ./src/styles/element-variables.scss 4:14-237 15:3-20:5 16:22-245
 @ ./src/main.js
 @ multi (webpack)-dev-server/client?http://192.168.0.107:9527&sockPath=/sockjs-node (webpack)/hot/dev-server.js ./src/main.js