diff --git a/src/main/java/com/ntlab/irisserver/entities/IStateListener.java b/src/main/java/com/ntlab/irisserver/entities/IStateListener.java
index 3340f3c..d9feefd 100644
--- a/src/main/java/com/ntlab/irisserver/entities/IStateListener.java
+++ b/src/main/java/com/ntlab/irisserver/entities/IStateListener.java
@@ -1,9 +1,12 @@
 package com.ntlab.irisserver.entities;
 
 public interface IStateListener {
-/*
-    public void changeState(){
-        int a = 0;
+
+    public static void changeState(){
+
+
     }
-    public void resetState(){}*/
+    public static void resetState(){
+
+    }
 }