diff --git a/Assets/Scripts/UI/UIBackPack.cs b/Assets/Scripts/UI/UIBackPack.cs
index cfbb880b..00b392b4 100644
--- a/Assets/Scripts/UI/UIBackPack.cs
+++ b/Assets/Scripts/UI/UIBackPack.cs
@@ -27,6 +27,7 @@ namespace QFramework.Example
 
         protected override void OnOpen(IUIData uiData = null)
         {
+            mData = uiData as UIBackPackData ?? new UIBackPackData();
             Content.RemoveAllChildren();
 
             foreach (var device in mData.devices)
diff --git a/Assets/Scripts/UI/UIOperationList.cs b/Assets/Scripts/UI/UIOperationList.cs
index 6c282f59..d294edc8 100644
--- a/Assets/Scripts/UI/UIOperationList.cs
+++ b/Assets/Scripts/UI/UIOperationList.cs
@@ -17,7 +17,6 @@ namespace QFramework.Example
         protected override void OnInit(IUIData uiData = null)
         {
             mData = uiData as UIOperationListData ?? new UIOperationListData();
-            TypeEventSystem.Global.Register<OnOperationChanged>((arg) => Refresh()).UnRegisterWhenGameObjectDestroyed(gameObject);
             TypeEventSystem.Global.Register<OnModuleQuit>((arg) => Hide()).UnRegisterWhenGameObjectDestroyed(gameObject);
         }
 
@@ -80,8 +79,9 @@ namespace QFramework.Example
 
         protected override void OnOpen(IUIData uiData = null)
         {
+            TypeEventSystem.Global.Register<OnOperationChanged>((arg) => Refresh());
             TypeEventSystem.Global.Register<StepStatusOnChange>(OnStepChanged).UnRegisterWhenDisabled(this);
-            Refresh();
+
         }
 
         public void Refresh()
@@ -149,9 +149,17 @@ namespace QFramework.Example
 
         protected override void OnShow()
         {
+            Refresh();
         }
         protected override void OnClose()
         {
+            TypeEventSystem.Global.UnRegister<OnOperationChanged>((arg) => Refresh());
+        }
+
+        public override void Hide()
+        {
+            base.Hide();
+            TypeEventSystem.Global.UnRegister<OnOperationChanged>((arg) => Refresh());
         }
     }
 }