fix: 不包含的规则空指针

src/main/java/com/qs/serve/modules/oms/service/impl/OmsOrderServiceImpl.java

@@ -341,7 +341,7 @@ public class OmsOrderServiceImpl extends ServiceImpl<OmsOrderMapper,OmsOrder> im
      * @param orderItems
      */
     private void handleCategoryRule(GoodsCategoryRule categoryRule, List<OmsOrderItem> orderItems) {
-        if(categoryRule!=null){
+        if(categoryRule!=null&&orderItems.size()>0){
             List<String> cids = Arrays.asList(categoryRule.getBrandIds());
             List<String> igcids = null;
             if(categoryRule.getIgnoreBrandIds()!=null){