diff --git a/SunnyUI/Controls/UIRichTextBox.cs b/SunnyUI/Controls/UIRichTextBox.cs
index e0f654e6..d7a9b142 100644
--- a/SunnyUI/Controls/UIRichTextBox.cs
+++ b/SunnyUI/Controls/UIRichTextBox.cs
@@ -24,6 +24,7 @@
  * 2022-11-03: V3.2.6 增加了可设置垂直滚动条宽度的属性
  * 2023-11-13: V3.5.2 重构主题
  * 2023-12-25: V3.6.2 增加Text的属性编辑器
+ * 2024-07-20: V3.6.8 修改滚动条颜色跟随主题
 ******************************************************************************/
 
 using System;
@@ -506,40 +507,40 @@ namespace Sunny.UI
 
         private void InitializeComponent()
         {
-            this.edit = new System.Windows.Forms.RichTextBox();
-            this.bar = new Sunny.UI.UIScrollBar();
-            this.SuspendLayout();
-            //
+            edit = new RichTextBox();
+            bar = new UIScrollBar();
+            SuspendLayout();
+            // 
             // edit
-            //
-            this.edit.BorderStyle = System.Windows.Forms.BorderStyle.None;
-            this.edit.Dock = System.Windows.Forms.DockStyle.Fill;
-            this.edit.Location = new System.Drawing.Point(2, 2);
-            this.edit.Name = "edit";
-            this.edit.Size = new System.Drawing.Size(266, 176);
-            this.edit.TabIndex = 0;
-            this.edit.Text = "";
-            //
+            // 
+            edit.BorderStyle = BorderStyle.None;
+            edit.Dock = DockStyle.Fill;
+            edit.Location = new Point(2, 2);
+            edit.Name = "edit";
+            edit.Size = new Size(266, 176);
+            edit.TabIndex = 0;
+            edit.Text = "";
+            // 
             // bar
-            //
-            this.bar.Font = new System.Drawing.Font("宋体", 12F);
-            this.bar.Location = new System.Drawing.Point(247, 4);
-            this.bar.Name = "bar";
-            this.bar.Size = new System.Drawing.Size(19, 173);
-            this.bar.Style = Sunny.UI.UIStyle.Custom;
-            this.bar.TabIndex = 2;
-            this.bar.Text = "uiScrollBar1";
-            //
+            // 
+            bar.Font = new Font("宋体", 12F);
+            bar.Location = new Point(247, 4);
+            bar.MinimumSize = new Size(1, 1);
+            bar.Name = "bar";
+            bar.Size = new Size(19, 173);
+            bar.TabIndex = 2;
+            bar.Text = "uiScrollBar1";
+            // 
             // UIRichTextBox
-            //
-            this.Controls.Add(this.bar);
-            this.Controls.Add(this.edit);
-            this.FillColor = System.Drawing.Color.White;
-            this.Name = "UIRichTextBox";
-            this.Padding = new System.Windows.Forms.Padding(2);
-            this.FontChanged += new System.EventHandler(this.UIRichTextBox_FontChanged);
-            this.SizeChanged += new System.EventHandler(this.UIRichTextBox_SizeChanged);
-            this.ResumeLayout(false);
+            // 
+            Controls.Add(bar);
+            Controls.Add(edit);
+            FillColor = Color.White;
+            Name = "UIRichTextBox";
+            Padding = new Padding(2);
+            FontChanged += UIRichTextBox_FontChanged;
+            SizeChanged += UIRichTextBox_SizeChanged;
+            ResumeLayout(false);
         }
 
         private void UIRichTextBox_SizeChanged(object sender, EventArgs e)
diff --git a/SunnyUI/Controls/UIRichTextBox.resx b/SunnyUI/Controls/UIRichTextBox.resx
index 1af7de15..af32865e 100644
--- a/SunnyUI/Controls/UIRichTextBox.resx
+++ b/SunnyUI/Controls/UIRichTextBox.resx
@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
+  <!--
     Microsoft ResX Schema 
-    
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
     
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->