odd_job/app/common/model/DemandCate.php

<?php
namespace app\common\model;

use think\Model;

class DemandCate extends Model
{
	// 设置字段信息
    protected $schema = [
        'id'			=> 'int',
		'title'			=> 'string',
        'priority'		=> 'int'
    ];

	
}