v9.28.3

1. Except for cloud synchronization and administrator functions, all other functions of the free version are open.

2. Fix a bug in ubuntu/mac where the local terminal cannot open windows, such as gedit.

3. Optimize exception handling during, during, and at the end of zmodem transmission.

4. Fix the crash of stopping the transmission between the zmodem and Bitmain devices.

5. Add the remote support detection capability of zmodem.