baoshi-was/app/OrderIssueOnTop.php

<?php

namespace App;

use App\Traits\ModelTimeFormat;
use Illuminate\Database\Eloquent\Model;

class OrderIssueOnTop extends ModelExtended
{
    //
    use ModelTimeFormat;

    protected $fillable = [ 'order_issue_id','remark'];

    public function OrderIssue(){
        return $this->belongsTo('App\OrderIssue','order_issue_id','id');
    }
}