qimall/backend/controllers/MessageController.php

<?php

namespace backend\controllers;

use Yii;
use yii\web\Controller;
use yii\web\NotFoundHttpException;

/**
 *
 * 报错消息处理
 *
 * Class MessageController
 * @package api\controllers
 * @author qimall
 */
class MessageController extends Controller
{
    public function actions()
    {
        return [
            'error' => [
                'class' => 'yii\web\ErrorAction',
            ]
        ];
    }
}