老师，如何去除页脚，我用视频的方式只能覆盖，无法去除，就算将很多注释掉，页脚还是存在
import ProLayout, { SettingDrawer,DefaultFooter} from '@ant-design/pro-layout';
import React, { useEffect } from 'react';
import Link from 'umi/link';
import { connect } from 'dva';
import { formatMessage } from 'umi-plugin-react/locale';
import Authorized from '@/utils/Authorized';
import RightContent from '@/components/GlobalHeader/RightContent';
import { isAntDesignPro } from '@/utils/utils';
import logo from '../assets/logo.svg';
// import {DefaultFooter} from "@ant-design/pro-layout";

/**

• use Authorized check all menu item */

const menuDataRender = menuList =>
menuList.map(item => {
const localItem = { ...item, children: item.children ? menuDataRender(item.children) : [] };
return Authorized.check(item.authority, localItem, null);
});

const links = [
{
key: '',
title: '',
href: '',
blankTarget: true,
},
{
key: '',
title: '',
href: '',
blankTarget: true,
},
];

const copyright = '';

//所有 footerRender 都注释掉，页脚还是存在，找不到页脚是在哪里引入的
const footerRender = (_, defaultDom) => {
if (! isAntDesignPro()) {
// return defaultDom;
return ( <>

</>
)
}

// return (
// <>
// {defaultDom}
//

// // src="https://www.netlify.com/img/global/badges/netlify-color-bg.svg"
// width="82px"
// alt="netlify logo"
// />
//

• constructor */

useEffect(() => {
if (dispatch) {
dispatch({
type: 'user/fetchCurrent',
});
dispatch({
type: 'settings/getSetting',
});
}
}, []);
/**

• init variables */

const handleMenuCollapse = payload => {
if (dispatch) {
dispatch({
type: 'global/changeLayoutCollapsed',
payload,
});
}
};

return (
<>
logo={logo}
onCollapse={handleMenuCollapse}
menuItemRender={(menuItemProps, defaultDom) => {
if (menuItemProps.isUrl) {
return defaultDom;
}

      return <Link to={menuItemProps.path}>{defaultDom}</Link>;
    }}
    breadcrumbRender={(routers = []) => [
      {
        path: '/',
        breadcrumbName: formatMessage({
          id: 'menu.home',
          defaultMessage: 'Home',
        }),
      },
      ...routers,
    ]}
    itemRender={(route, params, routes, paths) => {
      const first = routes.indexOf(route) === 0;
      return first ? (
        <Link to={paths.join('/')}>{route.breadcrumbName}</Link>
      ) : (
        <span>{route.breadcrumbName}</span>
      );
    }}
    footerRender={footerRender}
    menuDataRender={menuDataRender}
    formatMessage={formatMessage}
    rightContentRender={rightProps => <RightContent {...rightProps} />}
    {...props}
    {...settings}
  >
    {children}
  </ProLayout>
  <SettingDrawer
    settings={settings}
    onSettingChange={config =>
      dispatch({
        type: 'settings/changeSetting',
        payload: config,
      })
    }
  />
</>

);
};

export default connect(({ global, settings }) => ({
collapsed: global.collapsed,
settings,
}))(BasicLayout);

老师，请问如何去除全局页脚，我用视频的方法可以覆盖，但是无法去除