yuan/application/common/model/Protable.php

<?php

namespace app\common\model;

use think\Cache;
use think\Model;

/**
 * 地区数据模型
 */
class Protable extends Model
{
    protected $name = 'protable';
    public function getImageAttr($value)
    {
        return config('site.httpurl').$value;
    }
}