diff --git a/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/model/ThingsModelItem/EnumItem.java b/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/model/ThingsModelItem/EnumItem.java
index 4799b2d..fecbc4b 100644
--- a/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/model/ThingsModelItem/EnumItem.java
+++ b/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/model/ThingsModelItem/EnumItem.java
@@ -1,7 +1,7 @@
 package com.fastbee.iot.model.ThingsModelItem;
 
 
-public class EnumItem
+public class EnumItem implements java.io.Serializable
 {
     private String text;
     private String value;