diff --git a/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIBase.cs b/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIBase.cs
index bad0f557..b8612b1f 100644
--- a/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIBase.cs
+++ b/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIBase.cs
@@ -175,7 +175,15 @@ namespace TEngine
         protected virtual void OnSetVisible(bool visible)
         {
         }
-
+        
+        internal void SetUpdateDirty()
+        {
+            m_updateListValid = false;
+            if (Parent != null)
+            {
+                Parent.SetUpdateDirty();
+            }
+        }
 
         #region FindChildComponent
 
diff --git a/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWidget.cs b/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWidget.cs
index bc11d5a3..4957e338 100644
--- a/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWidget.cs
+++ b/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWidget.cs
@@ -102,6 +102,11 @@ namespace TEngine
                 for (int i = 0; i < listChild.Count; i++)
                 {
                     var uiWidget = listChild[i];
+                    
+                    if (uiWidget == null)
+                    {
+                        continue;
+                    }
 
                     TProfiler.BeginSample(uiWidget.name);
                     var needValid = uiWidget.InternalUpdate();
@@ -208,6 +213,7 @@ namespace TEngine
             RestChildCanvas(parentUI);
             parent = parentUI;
             Parent.ListChild.Add(this);
+            Parent.SetUpdateDirty();
             ScriptGenerator();
             BindMemberProperty();
             RegisterEvent();
@@ -279,6 +285,8 @@ namespace TEngine
         /// </summary>
         internal void OnDestroyWidget()
         {
+            Parent?.SetUpdateDirty();
+            
             RemoveAllUIEvent();
 
             foreach (var uiChild in ListChild)
diff --git a/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWindow.cs b/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWindow.cs
index df9f7f3b..bd8fc15e 100644
--- a/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWindow.cs
+++ b/UnityProject/Assets/TEngine/Runtime/Modules/UIModule/UIWindow.cs
@@ -318,6 +318,11 @@ namespace TEngine
                 {
                     var uiWidget = listChild[i];
 
+                    if (uiWidget == null)
+                    {
+                        continue;
+                    }
+
                     TProfiler.BeginSample(uiWidget.name);
                     var needValid = uiWidget.InternalUpdate();
                     TProfiler.EndSample();