diff --git a/Assets/_2_0Script/Mgr/GameUIMgr.cs b/Assets/_2_0Script/Mgr/GameUIMgr.cs
index eab0628e1..dbce6f31e 100644
--- a/Assets/_2_0Script/Mgr/GameUIMgr.cs
+++ b/Assets/_2_0Script/Mgr/GameUIMgr.cs
@@ -72,7 +72,7 @@ public class GameUIMgr : MonoBehaviour
     private GameObject imgMenuPanel;
     private TextMeshProUGUI txtEventButton;
     private GameObject btnDungeonOut;
-    private GameObject btnRewardEnvet;
+    private GameObject btnOpenOpenRewardEvent;
     private TextMeshProUGUI txtRewardEvent;
 
     private GameObject mainLeftBottomSet;
@@ -298,11 +298,17 @@ public class GameUIMgr : MonoBehaviour
         txtEventButton.text = LocalizationText.GetText("event_title");
         btnDungeonOut = mainRightTopSet.transform.Find("btnDungeonOut").gameObject;
         dungeonButton = mainLeftBottomSet.transform.Find("BtnDungeon").GetComponent<Button>();
-        btnRewardEnvet = canvasRight.transform.Find("btnOpenRewardEvent").gameObject;
-        txtRewardEvent = btnRewardEnvet.transform.Find("txt").GetComponent<TextMeshProUGUI>();
-        if (DataHandler.GetPlayRewardEvent().sid >= 1)
-            btnRewardEnvet.gameObject.SetActive(false);
+        btnOpenOpenRewardEvent = canvasRight.transform.Find("btnOpenRewardEvent").gameObject;
+        txtRewardEvent = btnOpenOpenRewardEvent.transform.Find("txt").GetComponent<TextMeshProUGUI>();
 
+#if false //TODO: block open event open button
+        if (DataHandler.GetPlayRewardEvent().sid >= 1)
+        {
+            btnOpenOpenRewardEvent.gameObject.SetActive(false);
+        }
+#else
+        btnOpenOpenRewardEvent.gameObject.SetActive(false);
+#endif
         txtCheckBox = mainRightTopSet.transform.Find("CheckBox").transform.Find("txtCheckBox").GetComponent<TextMeshProUGUI>();
         toggleDungeonAuto = txtCheckBox.transform.Find("CheckBoxToggle").GetComponent<Toggle>();
         trfZooms = new RectTransform[3];
@@ -720,9 +726,9 @@ public class GameUIMgr : MonoBehaviour
 
     public static void SCloseRewardEvent()
     {
-        curMgr.btnRewardEnvet.SetActive(false);
+        curMgr.btnOpenOpenRewardEvent.SetActive(false);
     }
-    #endregion Base
+#endregion Base
 
     #region Control Scene
     // 메인 UI 켜기.
@@ -738,8 +744,15 @@ public class GameUIMgr : MonoBehaviour
         curMgr.mainRightTopSet.SetActive(righttop);
         curMgr.mainRightBottomSet.SetActive(rightbottom);
         curMgr.mainGroupPvp.SetActive(pvp);
-        if(DataHandler.GetPlayRewardEvent().sid < 1)
-            curMgr.btnRewardEnvet.SetActive(open);
+
+#if false //TODO: block open event open button
+        if (DataHandler.GetPlayRewardEvent().sid < 1)
+        {
+            curMgr.btnOpenOpenRewardEvent.SetActive(open);
+        }
+#else
+        curMgr.btnOpenOpenRewardEvent.gameObject.SetActive(false);
+#endif
     }
 
     // 좌측 메인 그룹 켜고 끄기.
@@ -2381,9 +2394,16 @@ public class GameUIMgr : MonoBehaviour
         curMgr.btnEvent.SetActive(onoff);
         curMgr.btnDungeonOut.SetActive(!onoff);
         curMgr.hotTimePanel.SetActive(onoff);
-        if(DataHandler.GetPlayRewardEvent().sid < 1)
-            curMgr.btnRewardEnvet.SetActive(onoff);
 
+#if false //TODO: block open event open button
+        if (DataHandler.GetPlayRewardEvent().sid < 1)
+        {
+            curMgr.btnOpenOpenRewardEvent.SetActive(onoff);
+        }
+#else
+        curMgr.btnOpenOpenRewardEvent.gameObject.SetActive(false);
+#endif
+        
         if (BattleMgr.CurrentBattleType == BattleMgr.BattleType.AwakenDungeon || BattleMgr.CurrentBattleType == BattleMgr.BattleType.GuardianDungeon)
         {
             curMgr.txtCheckBox.gameObject.SetActive(false);