baoshi-was/app/OrderPackageExpressBillPrintRecords.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

use App\Traits\ModelLogChanging;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class OrderPackageExpressBillPrintRecords extends Model
{
    use ModelLogChanging;

    protected $fillable = ['order_id','order_package_id','process_id','logistic_number','print_count'];

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

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