so that i can change color, size, add or sub and more etc.. before why is not plane, why extra line, and how to solve that.
You will need to ask Vray. I think Vray Assets are swapped out, so any changes in Rhino will not transmit.
Here is the support forum for them: V-Ray for Rhino - Chaos Forum
This looks like a viewport representation of proxy geometry, which is a always a mesh not Rhino surfaces, breps, etc..
Mind that any changes to the topology won’t change the actual rendered object. Also any modification to its proxy properties will regenerate the mesh