text: const shell = require('shelljs');
  // 复制本地 g2plot.min.js
  shell.exec('cp -r ../../G2Plot/dist/g2plot.min.js ../server/static');
  // 删除 server 静态文件
  shell.exec('rm -rf ../server/static/assets');
  // 复制当前打包文件
  shell.exec('cp -r ./static/* ../server/static/');
  