use
Description: 进入后台再次回到前台时执行Effect，不同于官方 API，只在再进入时才执行。 第一次渲染（不执行）-> 进入后台在返回（执行）。
Effect is executed when entering the background and returning to the foreground. Different from the official API, it is only executed when re-entering.
First rendering (not executed) -> enter the background and return (executed）