## zh-CN 可以自定义回到顶部按钮的样式,限制宽高:`40px * 40px`。 > 注意:`BackTop` 需要一个可接受 `onClick` 事件的元素作为 `children`。 如果您直接将文本作为子项放置,则该组件将无法正常运行。 ## en-US You can customize the style of the button, just note the size limit: no more than `40px * 40px`. > Note: `BackTop` expects a element could accept `onClick` propety as children. If you put a text directly as children the component will not function properly.