## zh-CN

可以通过 `description` 设置文字内容。

> 仅当 `shape` 属性为 `square` 时支持。由于空间较小，推荐使用比较精简的双数文字。

## en-US

Setting the `description` property allows you to show a FloatButton with a description.

> supported only when `shape` is `square`. Due to narrow space for text, short sentence is recommended.