找不到[欢迎]。 Heroku

Question

我已经将应用程序部署到Heroku，并且在我的本地服务器上运行正常，但是当将其部署到Heroku时，这是heroku logs的输出：

(1/1) InvalidArgumentException View [welcome] not found.
in FileViewFinder.php line 137 at FileViewFinder->findInPaths('welcome', array('/tmp/build_962b478fa5724c35fe4cac45b4a443fa/resources/views'))
in FileViewFinder.php line 79 at FileViewFinder->find('welcome')
in Factory.php line 130 at Factory->make('welcome', array(), array())
in helpers.php line 967 at view('welcome')
in Todo_controller.php line 17 at Todo_controller->index() at call_user_func_array(array(object(Todo_controller), 'index'), array())
in Controller.php line 54 at Controller->callAction('index', array())