diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index dea2d02d..4a7c788f 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index 5753675c..5b04e32d 100644
Binary files a/Bin/net5.0-windows/SunnyUI.dll and b/Bin/net5.0-windows/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/ref/SunnyUI.dll b/Bin/net5.0-windows/ref/SunnyUI.dll
index 612029ad..44de452b 100644
Binary files a/Bin/net5.0-windows/ref/SunnyUI.dll and b/Bin/net5.0-windows/ref/SunnyUI.dll differ
diff --git a/Bin/netcoreapp3.1/SunnyUI.dll b/Bin/netcoreapp3.1/SunnyUI.dll
index 1facb004..0d3bfe0a 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UITransfer.cs b/SunnyUI/Controls/UITransfer.cs
index 822110a8..d9ae0412 100644
--- a/SunnyUI/Controls/UITransfer.cs
+++ b/SunnyUI/Controls/UITransfer.cs
@@ -78,6 +78,13 @@ namespace Sunny.UI
         [Description("右侧列表"), Category("SunnyUI")]
         public ListBox.ObjectCollection ItemsRight => l2.Items;
 
+        [Browsable(false)]
+        public ListBox ListBoxLeft => l1.ListBox;
+
+        [Browsable(false)]
+        public ListBox ListBoxRight => l2.ListBox;
+
+
         private void b1_Click(object sender, EventArgs e)
         {
             foreach (object item in l1.Items)