text: import { sum } from './math';
  import { math, format } from 'coderzsq_utils';
  
  import './format';
  import('./abc').then((res) => {});
  import './style.css';
  
  console.log(sum(20, 30));
  console.log(math.sum(20, 30));
  console.log(format.dateFormat());
  
  console.log(window.abc);
  