[BRLTTY] preference setting problem

[高生旺]

>> I'm running vinux (ubuntu).
>> How to keep the preference settings?
>> Why I always loss the settings after rebooting?
>
> Are you explicitly saving your changes?
Of course yes.

> If so, do you get an error when saving them?
No. And I found /var/lib/brltty/brltty.prefs was the newest.

> Are you able to capture a debug log of what happens when you save them?
I forget how to do so.