web/src/pages/404.jsx

import { Button, Result } from 'antd';
import React from 'react';
import { history } from 'umi';

const NoFoundPage = () => {
  return (<Result
    status="404"
    title="404"
    subTitle="页面未找到，请输入正确的地址。"
    extra={< Button type="primary" onClick={() => history.push('/')}>
      返回主页
    </Button>}
  />
  )
};

export default NoFoundPage;