sport_admin_api/app/admin/model/Complaint.php

<?php

namespace app\admin\model;

use app\BaseModel;
class Complaint extends BaseModel
{
    
    public function user()
    {
        return $this->hasOne(User::class, 'user_id', 'user_id')->field(['user_id','realname','account','avatar']);
    }

    public function complaintItem()
    {
        return $this->hasOne(ComplaintItem::class, 'id', 'complaint_item_id')->field(['id','level','name']);
    }

}