jucai/app/Transfer/LinkCategory.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/4/23
 * Time: 15:24
 */

namespace App\Transfer;

use Illuminate\Database\Eloquent\Model;

class LinkCategory extends Model
{
    protected $connection = "transfer_center";
    protected $table = "qs_link_category";
    protected $guarded = [];

    public function links()
    {
        return $this->hasMany(Link::class, 'alias', 'c_alias');
    }
}