The nodes distance is too close and AvoidNodes is invalid in group tree layout

Hi all,
In the group, I have set layout to go.TreeLayout and set layerSpacing: 120,nodeSpacing: 50, but these two parameter is valid only for children of the same parent node, how could I longer the distance of different one.
Wrong avoid in my group:

Avoid what I want:

Thank you for your time and I look forward to your reply.
Best Regards,
Changlin Yu

Try increasing the TreeLayout | GoJS API

I set arrangementSpacing to new Go.Size(40,40) and it’s useful.
Thanks a lot!