https://blog.wongcw.com/2018/12/28/wordpress%e7%b5%82%e6%a5%b5%e5%84%aa%e5%8c%96%e6%8c%87%e5%8d%97-%e5%88%aa%e9%99%a4wlwmanifest%e9%8f%88%e6%8e%a5%e3%80%81rsd%e9%8f%88%e6%8e%a5%e6%a8%99%e8%a8%98%e3%80%81%e7%9f%ad%e9%8f%88/