UGUI uses gamma space, but 3D objects use linear space?

Unity Engine
,
1

Is there a way to achieve it?
I try
In linear space, UI texture cancels sRGB
Pow the alpha in the shader (2.2)

Doesn’t work perfectly.

2

Is there any solution?

3

Could you please elaborate on what you mean by it not working perfectly? Seeing your current results and what you’re expecting will help us a lot in understanding the issue.