https://blog.wongcw.com/2019/10/06/photoshop%e4%b8%adjpeg%e7%9a%84%e4%b8%89%e5%80%8b%e7%94%9f%e6%88%90%e9%81%b8%e9%a0%85%e5%88%b0%e5%ba%95%e5%95%a5%e6%84%8f%e6%80%9d%ef%bc%9f/