diff --git a/Bin/SunnyUI.dll b/Bin/SunnyUI.dll
index 9f79d611..7b45b87b 100644
Binary files a/Bin/SunnyUI.dll and b/Bin/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UIComboTreeView.cs b/SunnyUI/Controls/UIComboTreeView.cs
index 8eb90545..15efa045 100644
--- a/SunnyUI/Controls/UIComboTreeView.cs
+++ b/SunnyUI/Controls/UIComboTreeView.cs
@@ -1,4 +1,5 @@
-using System.ComponentModel;
+using System;
+using System.ComponentModel;
 using System.Drawing;
 using System.Text;
 using System.Windows.Forms;
@@ -30,6 +31,12 @@ namespace Sunny.UI
 
         }
 
+        protected override void OnFontChanged(EventArgs e)
+        {
+            base.OnFontChanged(e);
+            if (item != null) item.TreeView.Font = Font;
+        }
+
         [Browsable(false)]
         public UITreeView TreeView => item.TreeView;