How to use default authentication (auth) for different domains

In my project, I am using default auth for users authentication. I have domain and subdomain for the same project domain is for example, abc.local and subdomain is admin.abc.local but when I run my project and hit admin.abc.local it takes me to the main domain that is abc.local how i can resolve this issue? Thanksenter image description here

Here is my web.php file

via Chebli Mohamed