diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java
index fb87115..d5f4ae8 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java
@@ -798,7 +798,9 @@ public class OrderService {
                 orderDetail = new TbOrderDetail();
                 // 已经加入修改了库存数量，返还或减少库存
                 addOrderDetailList.add(orderDetail);
-                productService.decrStock(cashierCart.getProductId(), cashierCart.getSkuId(), cashierCart.getNumber());
+                if (!TableConstant.CART_SEAT_ID.equals(cashierCart.getProductId())) {
+                    productService.decrStock(cashierCart.getProductId(), cashierCart.getSkuId(), cashierCart.getNumber());
+                }
             } else {
                 if (!TableConstant.CART_SEAT_ID.equals(cashierCart.getProductId())) {
                     int subVal = cashierCart.getNumber() - orderDetail.getNum();