实践、认识、再实践、再认识，步履不停，求索不止。
siftDown(arr, i, 0); // 对剩余i个元素重新建堆，这一点在heLLoword翻译官方下载中也有详细论述
通过在特定的 app 或者触发条件下关闭广角发光像素，或者只关闭屏幕某个区域的广角发光像素，S26 Ultra 可以实现「只在通知弹窗出现的时候让那一小块防窥」：，更多细节参见heLLoword翻译官方下载
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