diff --git a/.gitignore b/.gitignore
index e829ebaeabd679dff4ac6753f5b5d50768699a52..4d496a0845dc4ae164519f896aa3b387c8cae40f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /HZH_Controls/Help
 /HZH_Controls/HZH_Controls.sln.GhostDoc.xml
 /HZH_Controls/.vs/
+/.vs/hzh_control/v17
diff --git a/HZH_Controls/HZH_Controls/Controls/UCControlBase.cs b/HZH_Controls/HZH_Controls/Controls/UCControlBase.cs
index b9d84a903bb28ccb54a442e1a5b5f08487096887..02749b7c27cc74046044d78930236e3980482bd8 100644
--- a/HZH_Controls/HZH_Controls/Controls/UCControlBase.cs
+++ b/HZH_Controls/HZH_Controls/Controls/UCControlBase.cs
@@ -45,12 +45,19 @@ namespace HZH_Controls.Controls
         /// The corner radius
         /// </summary>
         private int _cornerRadius = 24;
-
-
         /// <summary>
-        /// The is show rect
+        /// 标记上一次修改Region的时候bounds，防止不停重绘
         /// </summary>
-        private bool _isShowRect = false;
+		private Rectangle bounds_reg;
+		/// <summary>
+		/// 标记上一次修改Region的时候radius，防止不停重绘
+		/// </summary>
+		private int radius_reg;
+
+		/// <summary>
+		/// The is show rect
+		/// </summary>
+		private bool _isShowRect = false;
 
         /// <summary>
         /// The rect color
@@ -192,17 +199,20 @@ namespace HZH_Controls.Controls
         {
             if (this.Visible)
             {
-                if (this._isRadius)
-                {
-                    this.SetWindowRegion();
-                }
-                else
+				if (NeedSetRegion())
                 {
-                    //关闭圆角后显示为原矩形
-                    GraphicsPath g = new GraphicsPath();
-                    g.AddRectangle(base.ClientRectangle);
-                    g.CloseFigure();
-                    base.Region = new Region(g);
+                    if (this._isRadius)
+                    {
+                        this.SetWindowRegion();
+				    }
+                    else
+                    {
+                        //关闭圆角后显示为原矩形
+                        GraphicsPath g = new GraphicsPath();
+                        g.AddRectangle(base.ClientRectangle);
+                        g.CloseFigure();
+                        base.Region = new Region(g);
+                    }
                 }
 
                 GraphicsPath graphicsPath = new GraphicsPath();
@@ -235,10 +245,27 @@ namespace HZH_Controls.Controls
             base.OnPaint(e);
         }
 
-        /// <summary>
-        /// Sets the window region.
-        /// </summary>
-        private void SetWindowRegion()
+		private bool NeedSetRegion()
+		{
+            if (this.bounds_reg != this.Bounds)
+            {
+                this.bounds_reg = this.Bounds;
+                this.radius_reg = this.ConerRadius;
+				return true;
+            }
+            if (this.radius_reg != this.ConerRadius)
+            {
+				this.bounds_reg = this.Bounds;
+				this.radius_reg = this.ConerRadius;
+				return true;
+            }
+            return false;
+		}
+
+		/// <summary>
+		/// Sets the window region.
+		/// </summary>
+		private void SetWindowRegion()
         {
             GraphicsPath path = new GraphicsPath();
             Rectangle rect = new Rectangle(-1, -1, base.Width + 1, base.Height);