text: 
  module.exports = {
    devServer: {
      disableHostCheck: true,
      port: 80,
      public: '127.0.0.1:80'
    },
    publicPath: ".",//路径如果不想让他修改，需要修改\KLineChartSample\vue-sample\node_modules\@vue\cli-service\lib\Service.js
    //注释掉resolved.publicPath = resolved.publicPath.replace(/^\.\//, '')
    //只有为.的时候 ，才能让浏览器在本地打开使用页面
    productionSourceMap: false,
    validPublicPath:false
  
  }
  