diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index d9a6a15c..b405f13e 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 47668c0a..30e8b352 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net45/SunnyUI.dll b/Bin/net45/SunnyUI.dll
index 0973afcc..b1d1d09f 100644
Binary files a/Bin/net45/SunnyUI.dll and b/Bin/net45/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index cb0870ab..b1e13613 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 32fd82d6..8951b450 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 c0068d47..86975b1a 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UINavBar.cs b/SunnyUI/Controls/UINavBar.cs
index c186412f..794d1e38 100644
--- a/SunnyUI/Controls/UINavBar.cs
+++ b/SunnyUI/Controls/UINavBar.cs
@@ -230,6 +230,26 @@ namespace Sunny.UI
             }
         }
 
+        private int selectedHighColorSize = 4;
+
+        /// <summary>
+        /// 选中页高亮高度
+        /// </summary>
+        [Description("选中Tab页高亮高度"), Category("SunnyUI")]
+        [DefaultValue(4)]
+        public int SelectedHighColorSize
+
+        {
+            get => selectedHighColorSize;
+            set
+            {
+                value = Math.Max(value, 0);
+                value = Math.Min(value, 8);
+                selectedHighColorSize = value;
+                Invalidate();
+            }
+        }
+
         private UIStyle _style = UIStyle.Blue;
 
         /// <summary>
@@ -390,9 +410,9 @@ namespace Sunny.UI
                         e.Graphics.FillRectangle(MenuSelectedColor, rect.X, Height - NodeSize.Height, rect.Width, NodeSize.Height);
                     }
 
-                    if (!NavBarMenu.Visible)
+                    if (!NavBarMenu.Visible && SelectedHighColorSize > 0)
                     {
-                        e.Graphics.FillRectangle(SelectedHighColor, rect.X, Height - 4, rect.Width, 4);
+                        e.Graphics.FillRectangle(SelectedHighColor, rect.X, Height - SelectedHighColorSize, rect.Width, SelectedHighColorSize);
                     }
 
                     textColor = SelectedForeColor;
diff --git a/SunnyUI/Controls/UITabControl.cs b/SunnyUI/Controls/UITabControl.cs
index 5f96c129..681b4e8e 100644
--- a/SunnyUI/Controls/UITabControl.cs
+++ b/SunnyUI/Controls/UITabControl.cs
@@ -295,7 +295,7 @@ namespace Sunny.UI
         private int tabSelectedHighColorSize = 4;
 
         /// <summary>
-        /// 边框颜色
+        /// 选中Tab页高亮高度
         /// </summary>
         [Description("选中Tab页高亮高度"), Category("SunnyUI")]
         [DefaultValue(4)]
@@ -305,7 +305,9 @@ namespace Sunny.UI
             get => tabSelectedHighColorSize;
             set
             {
-                tabSelectedHighColorSize = Math.Max(value, 0);
+                value = Math.Max(value, 0);
+                value = Math.Min(value, 8);
+                tabSelectedHighColorSize = value;
                 Invalidate();
             }
         }