解决方法:http://stackoverflow.com/questions/28516454/laravel-5-user-model-not-found
总结:是因为我把app下的User移动到appModels下了,所以You need to update your config/auth.php file. Change 'model' => 'AppUser' to 'model' => 'AppModelsUser'.
'model' => 'AppUser'
'model' => 'AppModelsUser'