admin/src/pages/Welcome.jsx

import { PageContainer } from '@ant-design/pro-components';
import { Typography } from 'antd';
import styles from './Welcome.less';

const CodePreview = ({ children }) => (
  <pre className={styles.pre}>
    <code>
      <Typography.Text copyable>{children}</Typography.Text>
    </code>
  </pre>
);

const Welcome = () => {
  return <PageContainer>234</PageContainer>;
};

export default Welcome;