baoshi-was/app/OrderDetail.php

<?php

namespace App;

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

use Illuminate\Database\Eloquent\Relations\BelongsTo;

class OrderDetail extends Model
{
    use ModelTimeFormat;

    protected $fillable = [
        'order_id', 'is_new_rejecting', 'rejecting_status',
    ];

    public function order(): BelongsTo
    {
        return $this->belongsTo(Order::class);
    }

}