two libraries can't merge to one aar file

[docwei2050]

What are the steps to reproduce this issue?

I completely follow your instructions. Different things, my module contains Activity, and some resource files, not just some java classes. If there are only java classes, it is just placed directly in the library. No need to use a custom gradle to operate.
What happens?

Build successful ! but Alibrary containing Activity and some resource files don't merge to BLibrary and Finally the Artfact aar does not include ALibrary's Activity, and some resource files.

What were you expecting to happen?

the Artfact aar includes ALibrary's Activity, and some resource files.

Any logs, error output, etc?

(If it’s long, please paste to https://ghostbin.com/ and insert the link here.)
no
Any other comments?

no

Thanks.