MBP 屏幕留影，红点

最近才注意到这种红点：Firefox tab 上面，和菜单栏接触的地方（这个没录）

还有看视频的时候有时候会出现，捕捉到几次：

• 留影

  <iframe allowfullscreen="" frameborder="0" height="180" scrolling="no" src="https://onedrive.live.com/embed?cid=26B2D4F8E1019A7A&resid=26B2D4F8E1019A7A%214822&authkey=AFJVREf9pNK-Djs" width="320"></iframe>

• 红点

  1. <iframe allowfullscreen="" frameborder="0" height="320" scrolling="no" src="https://onedrive.live.com/embed?cid=26B2D4F8E1019A7A&resid=26B2D4F8E1019A7A%214821&authkey=AKVWTPUUzLVXUqw" width="181"></iframe>
  2. <iframe allowfullscreen="" frameborder="0" height="320" scrolling="no" src="https://onedrive.live.com/embed?cid=26B2D4F8E1019A7A&resid=26B2D4F8E1019A7A%214820&authkey=AF2DZbDckS7RcuM" width="181"></iframe>