ant-design/components/notification/demo/update.md

order	title
7	[{zh-CN 更新消息内容} {en-US Update Message Content}]

zh-CN

可以通过唯一的 key 来更新内容。

en-US

Update content with unique key.

import { Button, notification } from 'antd';

const key = 'updatable';

const openNotification = () => {
  notification.open({
    key,
    message: 'Notification Title',
    description: 'description.',
  });
  setTimeout(() => {
    notification.open({
      key,
      message: 'New Title',
      description: 'New description.',
    });
  }, 1000);
};

ReactDOM.render(
  <Button type="primary" onClick={openNotification}>Open the notification box</Button>,
  mountNode);