What happened to the video flashback of Little Yellow Duck?

Little Yellow Duck's video flashed back because the mobile phone's cache was not enough. If the mobile phone cache is not enough, the video of Little Yellow Duck will flash back. You can close the unused software in the background and clear the cache space, so that the video of the little yellow duck will not flash back when it is reopened. So the video flashback of Little Yellow Duck is due to the insufficient cache of the mobile phone.