diff --git a/framework/src/main/java/cn/lili/modules/order/cart/service/CartServiceImpl.java b/framework/src/main/java/cn/lili/modules/order/cart/service/CartServiceImpl.java
index 298f58c1..f6a3fe26 100644
--- a/framework/src/main/java/cn/lili/modules/order/cart/service/CartServiceImpl.java
+++ b/framework/src/main/java/cn/lili/modules/order/cart/service/CartServiceImpl.java
@@ -419,7 +419,7 @@ public class CartServiceImpl implements CartService {
             cartSkuVO.setNum(num);
         }
 
-        if (!GoodsSalesModeEnum.WHOLESALE.name().equals(cartSkuVO.getGoodsSku().getSalesModel()) && cartSkuVO.getNum() > 99) {
+        if (cartSkuVO.getGoodsSku() != null && !GoodsSalesModeEnum.WHOLESALE.name().equals(cartSkuVO.getGoodsSku().getSalesModel()) && cartSkuVO.getNum() > 99) {
             cartSkuVO.setNum(99);
         }
     }