按照教程修改了routes.php就会报这个错，求助

修改了
Route::get('/', 'WelcomeController@index');

就报了错
Symfony \ Component \ Debug \ Exception \ FatalErrorException

Call to undefined method Illuminate\View\Environment::maker()



改回
Route::get('/', function()
{
return View::make('hello');
});
就又正常了