wanyue_app/app/model/SmartDevicesProduct.php

<?php

namespace app\model;

use support\Model;

class SmartDevicesProduct extends Model
{
    protected $table = 'smart_devices_product';

    protected $primaryKey = 'product_id';

    protected $dateFormat = 'U';

    const CREATED_AT = 'product_create_time';

    const UPDATED_AT = 'product_update_time';
}