In your database user table column name domain is for each sub domain. Example — 'name' => 'Shah Md. Iktakhairul Islam',
'email' => 'iktakhairul@gmail.com',
'password' => Hash::make('admin'),
'domain' => 'developer',
'role' => 'developer',
'weight' => 59.00, .env APP_URL=http://laravel-sub-domain.com
SUB_URL=laravel-sub-domain.com 2. config/app.php create line bellow url. 'short_url' => env('SUB_URL', 'http://localhost'),