diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index 70c59dcc..2bea95d7 100644
Binary files a/Bin/net40/SunnyUI.Demo.exe and b/Bin/net40/SunnyUI.Demo.exe differ
diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index 8dde5d65..b0ca4fa5 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/SunnyUI.Demo/Controls/FButton.cs b/SunnyUI.Demo/Controls/FButton.cs
index 75a8bc77..dc7f8cc4 100644
--- a/SunnyUI.Demo/Controls/FButton.cs
+++ b/SunnyUI.Demo/Controls/FButton.cs
@@ -22,6 +22,7 @@ namespace Sunny.UI.Demo
         private void FButton_Load(object sender, EventArgs e)
         {
             Console.WriteLine("1. FButton_Load");
+
         }
 
         //放在 [窗体Load、重载OnLoad、重载Init] 的内容每次页面切换，进入页面都会执行。
diff --git a/SunnyUI/Controls/UINavMenu.cs b/SunnyUI/Controls/UINavMenu.cs
index 1af8b93f..5b9851ee 100644
--- a/SunnyUI/Controls/UINavMenu.cs
+++ b/SunnyUI/Controls/UINavMenu.cs
@@ -27,7 +27,6 @@
 ******************************************************************************/
 
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Drawing;
@@ -889,27 +888,21 @@ namespace Sunny.UI
 
         public void SelectPage(int pageIndex)
         {
-            AllNodes.Clear();
-            GetAllNodes(Nodes);
-            if (AllNodes.ContainsKey(pageIndex))
+            var node = MenuHelper.GetTreeNode(pageIndex);
+            if (node != null)
             {
-                SelectedNode = AllNodes[pageIndex];
+                SelectedNode = node;
                 ShowSelectedNode();
             }
         }
 
-        private readonly ConcurrentDictionary<int, TreeNode> AllNodes = new ConcurrentDictionary<int, TreeNode>();
-
-        private void GetAllNodes(TreeNodeCollection nodes)
+        public void SelectPage(Guid pageGuid)
         {
-            foreach (TreeNode node in nodes)
+            var node = MenuHelper.GetTreeNode(pageGuid);
+            if (node != null)
             {
-                if (MenuHelper.GetPageIndex(node) >= 0)
-                {
-                    AllNodes.TryAddOrUpdate(MenuHelper.GetPageIndex(node), node);
-                }
-
-                GetAllNodes(node.Nodes);
+                SelectedNode = node;
+                ShowSelectedNode();
             }
         }
 
diff --git a/SunnyUI/Controls/UINavMenuHelper.cs b/SunnyUI/Controls/UINavMenuHelper.cs
index 1b22699e..df9b3091 100644
--- a/SunnyUI/Controls/UINavMenuHelper.cs
+++ b/SunnyUI/Controls/UINavMenuHelper.cs
@@ -164,6 +164,19 @@ namespace Sunny.UI
 
             return null;
         }
+
+        public TreeNode GetTreeNode(Guid guid)
+        {
+            foreach (var pair in Items)
+            {
+                if (pair.Value.PageGuid == guid)
+                {
+                    return pair.Key;
+                }
+            }
+
+            return null;
+        }
     }
 
     public class UITabControlHelper