https://www.cnblogs.com/dee0912/p/5473299.html
https://www.cnblogs.com/uestcbutcher/p/7250446.html
https://www.cnblogs.com/www-vnote-net/p/6077810.html
https://www.cnblogs.com/jiaoxiake/p/6798144.html
https://github.com/mingyong/WiFiMaster
http://forum.anywlan.com/thread-401215-1-1.html?_dsign=3b9a281f