https://blog.wongcw.com/2018/12/02/%e8%98%8b%e6%9e%9c%e8%b3%a3%e5%8a%9b%e5%ae%a3%e5%82%b3iphone-xr%ef%bc%9a%e6%a4%8d%e5%85%a5ellen%e7%a7%80%e4%b8%a6%e5%90%91%e6%89%80%e6%9c%89%e7%8f%be%e5%a0%b4%e8%a7%80%e7%9c%be/