About Call to a member function domain() on a non-object

About Laravel 5 After use Form::open occur some error error : Call to a member function domain() on a non-object FatalErrorException in UrlGenerator.php line 440: Call to a member function domain() on a non-object in UrlGenerator.php line 440 at HandleExceptions->fatalExceptionFromError(array('type' => '1', 'message' => 'Call to a member function domain() on a non-object', 'file' => '/home/nl/Laravel/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php', 'line' => '440')) in HandleExceptions.php line 116 at HandleExceptions->handleShutdown() The Follow are solve 1.install command -> composer create-project laravel/laravel 2.composer update 3.composer require illuminate/html 4.composer dump-autoload 5.php artisan clear-compiled php artisan optimize 6. Add to the app.php providers array: 'Illuminate\Html\HtmlServiceProvider', Add to the app.php aliases array: 'Html' => 'Illuminate\Html\HtmlFacade', 'Form' => 'Illuminate\Html\FormFacade', 7.in route Route::any('/LoginCheck', 'LoginCheckController@index'); 8. 注意 namespace路逕 <?php namespace App\Http\Controllers; use Illuminate\Support\Facades\Redirect; class LoginCheckController extends Controller { 如果有使用 \Redirect; 記得要 use 9.in view {!! Form::open(array('action' => 'LoginCheckController@index', 'method' => 'post')) !!} {!! Form::close() !!}