Custom support in Luban not works

Hi, I’m trying to modify auto-support for my J1 printer. So primary the support looks like that:


m trying to modify it with custom modifer. It should fix the issue:

But when I’m clicking on ‘generate g-code’ I see the same picture as before.

How to apply this custom mask for supports? Am I able to use tree support with it? what am I doing wrong?

Normal support is also faulty. I tried with this tutorial but there are no further steps
https://wiki.snapmaker.com/en/Snapmaker_Luban/3d_left_toolbar_support

Please help :wink: