baoshi-was/app/Observers/UserWorkGroupObserver.php

<?php

namespace App\Observers;

use App\UserWorkGroup;

class UserWorkGroupObserver
{
    public function restored(UserWorkGroup $userWorkGroup)
    {
        $userWorkGroup->load("roles");
        $userWorkGroup->roles->each(function ($role){
            app("RoleService")->clearUserAuthority($role->id,false,false,true);
        });
    }
}