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app\Models下了，所以You need to update your config/auth.php file. Change ‘model‘ => ‘App\User‘ to ‘model‘ => ‘App\Models\User‘.
解决FatalThrowableError in EloquentUserProvider.php line 126: Class '\App\User'问题
原文：http://www.cnblogs.com/zhangwei595806165/p/5758985.html