回帖：https://blog.csdn.net/shadowyingjian/article/details/83240773?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task
https://blog.csdn.net/guanfangtao2/article/details/47190505
https://blog.csdn.net/mostone/article/details/77967018
https://blog.csdn.net/weixin_45018974/article/details/89854519
https://github.com/tjfontaine/airprint-generate?spm=a2c4e.10696291.0.0.128219a4LNPt1H
https://yq.aliyun.com/articles/564759
https://www.feng.com/post/7523777
https://github.com/openwrt/packages/tree/openwrt-19.07/libs/avahi