fix

assortment-shoppingcart-sdk/src/main/java/com/freemud/sdk/api/assortment/shoppingcart/adapter/ShoppingCartAdapter.java

@@ -398,10 +398,12 @@ public class ShoppingCartAdapter {
         List<String> materialSpu = new ArrayList<>();
         HashMap<String, ProductBeanDTO.ProductGroupType.GroupDetailType> materialHash = new HashMap<>();
         if (isSkuProduct){
-            List<ProductBeanDTO.ProductGroupType.GroupDetailType> groupDetail = spuProduct.getAdditionalGroupList().get(0).getGroupDetail();
-            for (ProductBeanDTO.ProductGroupType.GroupDetailType groupDetailType : groupDetail) {
-                materialHash.put(groupDetailType.getProductId(), groupDetailType);
-                materialSpu.add(groupDetailType.getProductId());
+            List<ProductBeanDTO.ProductGroupType> groupList = skuProductBean.getAdditionalGroupList();
+            for (ProductBeanDTO.ProductGroupType groupDetail : groupList) {
+                for (ProductBeanDTO.ProductGroupType.GroupDetailType groupDetailType : groupDetail.getGroupDetail()) {
+                    materialHash.put(groupDetailType.getProductId(), groupDetailType);
+                    materialSpu.add(groupDetailType.getProductId());
+                }
             }
         } else {
             List<ProductBeanDTO.ProductGroupType> groupList = spuProduct.getAdditionalGroupList();