Brep smooth from mesh

Hi Everyone,
I have one mesh, I use smooth mesh component and my mesh is smooth (not close ) then I convert to brep it not done. How to my mesh is close and brep is smooth
Please see my file to check
Thanks all
brep from mesh (8.3 KB)
brep from mesh rev1.3dm (876.0 KB)

Hi Everyone please help me and add your opinion