diff --git a/SunnyUI/Controls/DropItem/UIDropControl.Designer.cs b/SunnyUI/Controls/DropItem/UIDropControl.Designer.cs
index fcd75ee6..9fbebfa6 100644
--- a/SunnyUI/Controls/DropItem/UIDropControl.Designer.cs
+++ b/SunnyUI/Controls/DropItem/UIDropControl.Designer.cs
@@ -15,6 +15,7 @@
         {
             if (disposing && (components != null))
             {
+                CloseTips();
                 components.Dispose();
             }
 
diff --git a/SunnyUI/Controls/UITextBox.Designer.cs b/SunnyUI/Controls/UITextBox.Designer.cs
index d168a771..e70dd4cc 100644
--- a/SunnyUI/Controls/UITextBox.Designer.cs
+++ b/SunnyUI/Controls/UITextBox.Designer.cs
@@ -15,6 +15,7 @@
         {
             if (disposing && (components != null))
             {
+                CloseTips();
                 components.Dispose();
             }
             base.Dispose(disposing);
diff --git a/SunnyUI/Controls/UITextBox.cs b/SunnyUI/Controls/UITextBox.cs
index 9e4fc37c..8ed716a6 100644
--- a/SunnyUI/Controls/UITextBox.cs
+++ b/SunnyUI/Controls/UITextBox.cs
@@ -646,6 +646,11 @@ namespace Sunny.UI
         {
             base.OnSizeChanged(e);
             SizeChange();
+
+            if (tipsBtn != null)
+            {
+                tipsBtn.Location = new System.Drawing.Point(Width - 11, 2);
+            }
         }
 
         protected override void OnPaddingChanged(EventArgs e)