The client cannot connect after login

[zzw668]

I come from "deepin" users of the system. Install veyon success,

A strange problems now

Teachers, students machine is according to the configuration, after the completion of this tutorial students machine in the case of not login system,
Teacher machine can see and by remote control to connect students machine, but can't broadcast (there should be no landing system),

Students once the password login system, connection is lost, don't know is what reason, consider is the permission problems. You look it or provide the ideas to solve the problem.

Deepin system is based on debain 8