Route::group(['middleware' => ['session']], function() {
        // ...
    });

    protected $routeMiddleware = [
        'auth' => 'App\Http\Middleware\Authenticate',
        'auth.basic' => 'App\Auth\Middleware\AuthenticateWithBasicAuth',
        'guest' => 'App\Http\Middleware\RedirectIfAuthenticated',
        'session' => [
            'Illuminate\Session\Middleware\StartSession',
            'Illuminate\View\Middleware\ShareErrorsFromSession',
        ]
    ];