jucai/app/Admin/Extensions/Exception/ValidateException.php

<?php
namespace App\Admin\Extensions\Exception;

use Exception;

class ValidateException extends Exception
{
    protected $response;
    public function __construct($response)
    {
        parent::__construct('error');
        $this->response=$response;
    }

    /**
     * Render the exception into an HTTP response.
     *
     * @return \Illuminate\Http\Response
     */
    public function render()
    {
        return $this->response;
    }
}