V1.43  2022/9/5
Improve compatibility with Z-Series camera.

V1.41  2021/11/8
1. Improve compatibility with YN622N II
2. Other optimizations

V1.40   2019-6-6
1.Improve compatibility with Z6.

V1.38    2017-11-03
1.improve overheating protection test
2.other improvement


V1.3.4
Fixed:When flash used as slave unit working with YN622N/622N II ,auto focus does not work.


V1.3.3:
Fixed:When flash used as 622 M. salve unit,multi mode work abnormally.