diff --git a/fuintBackend/fuint-application/src/main/java/com/fuint/business/tag/service/impl/TagCodeRecordServiceImpl.java b/fuintBackend/fuint-application/src/main/java/com/fuint/business/tag/service/impl/TagCodeRecordServiceImpl.java
index 495030166..8a4762ad0 100644
--- a/fuintBackend/fuint-application/src/main/java/com/fuint/business/tag/service/impl/TagCodeRecordServiceImpl.java
+++ b/fuintBackend/fuint-application/src/main/java/com/fuint/business/tag/service/impl/TagCodeRecordServiceImpl.java
@@ -72,7 +72,7 @@ public class TagCodeRecordServiceImpl extends ServiceImpl<TagCodeRecordMapper, T
                 TagCode byId1 = tagCodeService.getById(tagCodeId);
                 String collection = byId1.getCollection();
                 String[] storeIds = collection.split("sn");
-                String s = storeIds[0] + "storeId=" + tagCodeRecordDTO.getStoreId() + "&sn" + storeIds[1];
+                String s = storeIds[0] + "storeId=" + tagCodeRecordDTO.getStoreId() + "&sn=" + byId1.getTagCodeSn();
                 //collection += "&storeId=" + tagCodeRecordDTO.getStoreId();
                 byId1.setCollection(s);
                 tagCodeService.updateById(byId1);