AlembicImporter problem

Hollo, us project use uinty com.unity.formats.alembic to import abc file;
because abc file import shader is default, i chang alembicimport code to make abc file use us project shader,
but it has problem, when a artter import abc file and make it use right shader, other artter abc file is not right.
i see its mate file do not save shader data
how can i solve this problem

 

I want make my project abc file can use same name fbx file materials.
I have solved this problem,through record fbc file guid in abc mate file and modify com.unity.formats.alembic to support import more then two uv data
thanks