404.js

import React from 'react';
import Link from 'umi/link';
import { formatMessage } from "umi/locale";
import Exception from '@/components/Exception';

export default () => (
  <Exception
    type="404"
    linkElement={Link}
    desc={formatMessage({id: 'app.exception.description.404'})}
    backText={formatMessage({id: 'app.exception.back'})}
  />
);