思迅同步库存问题修改，类型问题扣减问题

mall-shop/src/main/java/com/suisung/mall/shop/sync/service/impl/SyncThirdDataServiceImpl.java

@@ -956,6 +956,9 @@ public class SyncThirdDataServiceImpl extends SyncBaseThirdSxAbstract implements
                     continue;
                 }
                 String itemId=productBase.getProduct_number();
+                if(itemId.isEmpty()){
+                    continue;
+                }
                 cn.hutool.json.JSONArray array_item_spec=  JSONUtil.parseArray(spuItem.getItem_spec());
                 if(array_item_spec.isEmpty()){
                     redisTemplate.opsForHash().increment(key, itemId+"-"+orderId, delta.doubleValue());