text: /* 开发环境  可扩展其余操作 */
  let shell = require('shelljs');
  let chalk = require('chalk');
  let config = require('../config');
  
  let _dev = config.dev;
  console.log(chalk.green('> 正在启动web服务\n' + '> 监听端口:' + _dev.port + '\n'));
  console.log(chalk.cyan('开发地址:http://'+_dev.host+':' + _dev.port + '\n'));
  
  shell.exec('cross-env NODE_ENV=development webpack server --open --progress --config  build/dev/dev.js', (code, stdout, stderr) => {
      if (code == 0) {
          console.log(chalk.green(stdout))
      } else {
          console.log(chalk.red('服务异常，请检查配置.\n'))
          console.log(chalk.white(stderr))
      }
  })