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

---
order: 5
title:
  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 message content with unique `key`.

```tsx
import { Button, message } from 'antd';
import React from 'react';

const App: React.FC = () => {
  const [messageApi, contextHolder] = message.useMessage();
  const key = 'updatable';

  const openMessage = () => {
    messageApi.open({
      key,
      type: 'loading',
      content: 'Loading...',
    });
    setTimeout(() => {
      messageApi.open({
        key,
        type: 'success',
        content: 'Loaded!',
        duration: 2,
      });
    }, 1000);
  };

  return (
    <>
      {contextHolder}
      <Button type="primary" onClick={openMessage}>
        Open the message box
      </Button>
    </>
  );
};

export default App;
```