1. Optimize network connection stability

支持直播抢占，解决按门铃联动屏幕小爱音箱时，app直播连接失败问题

用于1.3.8版本死机黑屏问题回退，仅回退CC3200的版本到1.2.30，大版本号仍为1.3.8

1、整机功耗优化提升5%； 2、新增绑定二维码扫描界面； 3、绑定时支持时区设置功能；

1.Improve the stability of recording and optimize the fluency of live broadcast; 2. The power consumption of the whole machine is improved by 5%. 3. Optimize the problem of false triggering of human body detection; 4. Add binding QR code scanning interface to optimize interactive interface; 5. Support time zone setting function when binding;

测试版本

1. Optimize the power consumption of the whole machine by 10%; 2. Improve system stability and make the system more smooth; 3. Improve the stability of live broadcast and video recording; 4. Improve network connection stability.

55测试版本，增加日志

1. 优化直播网络连接 2. 优化iot连接 3. 优化系统稳定性

1. 优化直播网络连接 2. 优化iot连接