screen/application/common/model/MobileInfo.php

<?php

namespace app\common\model;

use think\Model;
use Yansongda\Supports\Str;

/**
 * 配置模型
 */
class MobileInfo extends Model
{
    protected $type=[
    ];
    public function mobile(){
        return $this->belongsTo(Mobile::class);
    }

    protected static function init()
    {
        self::beforeWrite(function (self $info){
            if(isset($info['first_month_free']) && !is_numeric($info['first_month_free'])){
                $info['first_month_free']=Str::contains($info['first_month_free'],'是')?1:0;
            }
        });
    }
}