new_api/app/Models/BaseAttachment.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class BaseAttachment extends Model
{
    //
    /**
     * 数据表名
     *
     * @var string
     *
     */
    protected $table = 'base_attachments';
    /**
     * 主键
     */
    protected $primaryKey = 'id';
}