diff --git a/SunnyUI/Controls/UIComboBox.cs b/SunnyUI/Controls/UIComboBox.cs
index 64296317..40ee39f8 100644
--- a/SunnyUI/Controls/UIComboBox.cs
+++ b/SunnyUI/Controls/UIComboBox.cs
@@ -30,6 +30,7 @@
  * 2022-05-04: V3.1.8 过滤时修复ValueMember绑定值的显示
  * 2022-05-24: V3.1.9 Selceted=-1，清除文本
  * 2022-08-25: V3.2.3 下拉框边框可设置颜色
+ * 2022-11-03: V3.2.6 过滤时删除字符串前面、后面的空格
 ******************************************************************************/
 
 using System;
@@ -330,6 +331,10 @@ namespace Sunny.UI
 
                 if (Text.IsValid())
                 {
+                    string filterText = Text;
+                    if (TrimFilter)
+                        filterText = filterText.Trim();
+
                     filterForm.ListBox.Items.Clear();
                     filterList.Clear();
 
@@ -337,7 +342,7 @@ namespace Sunny.UI
                     {
                         foreach (var item in Items)
                         {
-                            if (item.ToString().Contains(Text))
+                            if (item.ToString().Contains(filterText))
                             {
                                 filterList.Add(item.ToString());
                                 if (filterList.Count > FilterMaxCount) break;
@@ -350,7 +355,7 @@ namespace Sunny.UI
                         {
                             for (int i = 0; i < Items.Count; i++)
                             {
-                                if (GetItemText(dataManager.List[i]).ToString().Contains(Text))
+                                if (GetItemText(dataManager.List[i]).ToString().Contains(filterText))
                                 {
                                     filterList.Add(dataManager.List[i]);
                                     if (filterList.Count > FilterMaxCount) break;
@@ -374,6 +379,10 @@ namespace Sunny.UI
             }
         }
 
+        [DefaultValue(false)]
+        [Description("过滤时删除字符串前面、后面的空格"), Category("SunnyUI")]
+        public bool TrimFilter { get; set; }
+
         public void HideFilterForm()
         {
             if (FilterItemForm.Visible)
diff --git a/SunnyUI/Controls/UINavMenu.cs b/SunnyUI/Controls/UINavMenu.cs
index 5472dbda..6716ec76 100644
--- a/SunnyUI/Controls/UINavMenu.cs
+++ b/SunnyUI/Controls/UINavMenu.cs
@@ -91,6 +91,32 @@ namespace Sunny.UI
             selectedHighColor = UIStyles.Blue.NavMenuMenuSelectedColor;
         }
 
+        private int scrollBarWidth = 0;
+
+        [DefaultValue(0), Category("SunnyUI"), Description("垂直滚动条宽度，最小为原生滚动条宽度")]
+        public int ScrollBarWidth
+        {
+            get => scrollBarWidth;
+            set
+            {
+                scrollBarWidth = value;
+                SetScrollInfo();
+            }
+        }
+
+        private int scrollBarHandleWidth = 6;
+
+        [DefaultValue(6), Category("SunnyUI"), Description("垂直滚动条滑块宽度，最小为原生滚动条宽度")]
+        public int ScrollBarHandleWidth
+        {
+            get => scrollBarHandleWidth;
+            set
+            {
+                scrollBarHandleWidth = value;
+                if (Bar != null) Bar.FillWidth = value;
+            }
+        }
+
         /// <summary>
         /// 禁止控件跟随窗体缩放
         /// </summary>
@@ -663,7 +689,7 @@ namespace Sunny.UI
 
                     if (TreeNodeSymbols.ContainsKey(e.Node) && TreeNodeSymbols[e.Node].Count > 0)
                     {
-                        int symbolRight = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - 3;
+                        int symbolRight = Width - (ScrollBarVisible ? Bar.Width : 0) - 3;
                         if (e.Node.Nodes.Count > 0) symbolRight -= 32;
                         int firstLeft = symbolRight - TreeNodeSymbols[e.Node].Count * 32;
 
@@ -680,7 +706,7 @@ namespace Sunny.UI
 
                     if (TreeNodeSymbols.ContainsKey(e.Node) && TreeNodeSymbols[e.Node].Count > 0)
                     {
-                        int symbolRight = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - 3;
+                        int symbolRight = Width - (ScrollBarVisible ? Bar.Width : 0) - 3;
                         if (e.Node.Nodes.Count > 0) symbolRight -= 32;
                         int firstLeft = symbolRight - TreeNodeSymbols[e.Node].Count * 32;
 
@@ -729,7 +755,7 @@ namespace Sunny.UI
                 {
                     SizeF tipsSize = e.Graphics.MeasureString(MenuHelper.GetTipsText(e.Node), TempFont);
                     float sfMax = Math.Max(tipsSize.Width, tipsSize.Height) + 1;
-                    float tipsLeft = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - sfMax - sfMax;
+                    float tipsLeft = Width - (ScrollBarVisible ? Bar.Width : 0) - sfMax - sfMax;
                     if (e.Node.Nodes.Count > 0) tipsLeft -= 24;
                     float tipsTop = e.Bounds.Y + (ItemHeight - sfMax) / 2;
 
@@ -829,7 +855,7 @@ namespace Sunny.UI
 
             if (e.Node != null && TreeNodeSymbols.ContainsKey(e.Node) && TreeNodeSymbols[e.Node].Count > 0)
             {
-                int symbolRight = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - 3;
+                int symbolRight = Width - (ScrollBarVisible ? Bar.Width : 0) - 3;
                 if (e.Node.Nodes.Count > 0) symbolRight -= 32;
                 int firstLeft = symbolRight - TreeNodeSymbols[e.Node].Count * 32;
                 if (e.X >= firstLeft && e.X < symbolRight)
@@ -910,10 +936,12 @@ namespace Sunny.UI
                 return;
             }
 
+            int barWidth = Math.Max(ScrollBarInfo.VerticalScrollBarWidth(), ScrollBarWidth);
             var si = ScrollBarInfo.GetInfo(Handle);
             Bar.Maximum = si.ScrollMax;
             Bar.Visible = si.ScrollMax > 0 && si.nMax > 0 && si.nPage > 0;
             Bar.Value = si.nPos;
+            Bar.Width = barWidth + 1;
             Bar.BringToFront();
 
             if (ScrollBarVisible != Bar.Visible)