GY_zhishiku_admin/app/Model/ChatgptOrder.php

<?php

namespace App\Model;

use Illuminate\Database\Eloquent\Model;

class ChatgptOrder extends Model
{
    protected $table   = "jm_chatgpt_order";
    public $timestamps = false;

    /**
     * 追加字段 
     */
    protected $appends = [
        'mobile'
    ];

    /**
     * 用户手机号
     */
    public function getMobileAttribute($value)
    {
        $value = $this->attributes['uid'] ?? '';
        $user  = User::where('uid' , $value)->first();
        return $user->phone ?? '---';
    }

}