diff --git a/app/Service/Api/Order/OrderInfoService.php b/app/Service/Api/Order/OrderInfoService.php
index 1dca300..c5ac514 100644
--- a/app/Service/Api/Order/OrderInfoService.php
+++ b/app/Service/Api/Order/OrderInfoService.php
@@ -146,7 +146,7 @@ class OrderInfoService extends BaseService
                     'price' => bcmul($item['unit_price'], $item['quantity'], 2),
                     'chef_name' => $chefList[$spuList[$skuList[$item['sku_id']['spu_id']]['chef_id']]]['chinese_name'] ?? '',
                 ];
-                $oneCopiesInfo['total_price'] = bcadd($oneCopiesInfo['total_price'], bcmul($item['unit_price'],(string)$item['quantity'],2), 2);
+                $oneCopiesInfo['total_price'] = bcadd((string)$oneCopiesInfo['total_price'], bcmul((string)$item['unit_price'],(string)$item['quantity'],2), 2);
                 $oneCopiesInfo['total_quantity'] += $item['quantity'];
             }