jucai/app/Transfer/ExplainCategory.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/4/23
 * Time: 13:22
 */

namespace App\Transfer;

use Illuminate\Database\Eloquent\Model;

class ExplainCategory extends Model
{
    protected $connection = "transfer_center";
    protected $table = "qs_explain_category";
    protected $guarded = [];

    public function explains()
    {
        return $this->hasMany(Explain::class, 'type_id', 'id');
    }
}