diff --git a/SunnyUI/Controls/UINavMenuHelper.cs b/SunnyUI/Controls/UINavMenuHelper.cs
index 35a7c196..df7f8100 100644
--- a/SunnyUI/Controls/UINavMenuHelper.cs
+++ b/SunnyUI/Controls/UINavMenuHelper.cs
@@ -493,6 +493,7 @@ namespace Sunny.UI
                     if (page != null)
                     {
                         TabPage tabpage = page.TabPage;
+                        page.Final();
                         page.Dispose();
                         page = null;