baoshi-was/app/OwnerFeeExpress.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

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

class OwnerFeeExpress extends Model
{
    use ModelLogChanging;

    public $timestamps = false;
    protected $fillable = [
        "province_id",
        "logistic_id",
        "logistic_number",
        "weight",
        "initial_weight",
        "initial_weight_price",
        "additional_weight",
        "additional_weight_amount",
        "additional_weight_price",
        "total_fee",
        "tax_rate",
        "created_at",
        "owner_id"
    ];

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

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