fix(store): 修复订单总价计算逻辑

- 在计算支付价格后添加了总价格与邮费的累加计算
- 确保总价格包含邮费金额的正确计算

app/common/repositories/store/order/StoreOrderRepository.php

@@ -2643,7 +2643,7 @@ class StoreOrderRepository extends BaseRepository
             $org_price = bcsub($org_price, $youhui_price, 2);
 
             $pay_price = bcadd($postage_price, $org_price, 2);
-
+            $total_price = bcadd($total_price, $postage_price, 2);
 
             $postage_price = set_price_rtrim($postage_price);
             $org_price = set_price_rtrim($org_price);