diff --git a/src/Core/Settings.cs b/src/Core/Settings.cs
index a21252d..103a1e0 100644
--- a/src/Core/Settings.cs
+++ b/src/Core/Settings.cs
@@ -91,6 +91,9 @@ public class Settings
         public bool TaskbarSingleLine { get; set; } = false;// 单行显示
         public bool TaskbarHoverShowAll { get; set; } = true; // [新增] 悬浮显示所有监控项
         public int TaskbarManualOffset { get; set; } = 0;// 手动偏移量 (像素)
+        
+        // ★★★ [新增] Win11 任务栏修正高度 ★★★
+        public int Win11TaskbarHeight { get; set; } = 48; // 默认 48px (96dpi)
 
         // ====== 任务栏：高级自定义外观 ======
         public bool TaskbarCustomStyle { get; set; } = false; // 总开关
diff --git a/src/UI/Helpers/TaskbarWinHelper.cs b/src/UI/Helpers/TaskbarWinHelper.cs
index 371fcf5..924bc1b 100644
--- a/src/UI/Helpers/TaskbarWinHelper.cs
+++ b/src/UI/Helpers/TaskbarWinHelper.cs
@@ -92,6 +92,7 @@ public struct RECT { public int left, top, right, bottom; }
     public class TaskbarWinHelper
     {
         private readonly Form _form;
+        private readonly Settings _cfg;
         private readonly ITaskbarStrategy _strategy;
 
         // ★★★ 性能优化缓存 ★★★
@@ -104,9 +105,10 @@ public class TaskbarWinHelper
 
         public bool UsesInternalLayout => _strategy.HasInternalLayout;
         
-        public TaskbarWinHelper(Form form)
+        public TaskbarWinHelper(Form form, Settings cfg)
         {
             _form = form;
+            _cfg = cfg;
             // 策略工厂模式：根据系统版本选择合适的集成策略
             if (_isWin11)
             {
@@ -181,6 +183,11 @@ public void RestoreTaskbar()
             _strategy.Restore();
         }
 
+        public void InvalidateCache()
+        {
+            _isCacheValid = false;
+        }
+
         // =================================================================
         // 句柄与信息获取 (通用逻辑)
         // =================================================================
@@ -265,7 +272,8 @@ public Rectangle GetTaskbarRect(IntPtr hTaskbar, string targetDevice)
                             if (!isVertical)
                             {
                                 int dpi = GetTaskbarDpi();
-                                int standardHeight = (int)Math.Round(48.0 * dpi / 96.0);
+                                int baseHeight = _cfg?.Win11TaskbarHeight ?? 48;
+                                int standardHeight = (int)Math.Round((double)baseHeight * dpi / 96.0);
 
                                 if (rectPhys.Height > (standardHeight * 0.8))
                                 {
diff --git a/src/UI/Settings/TaskbarPage.cs b/src/UI/Settings/TaskbarPage.cs
index 60010df..907b4e0 100644
--- a/src/UI/Settings/TaskbarPage.cs
+++ b/src/UI/Settings/TaskbarPage.cs
@@ -160,6 +160,14 @@ private void CreateGeneralGroup()
                 () => Config?.TaskbarManualOffset ?? 0, 
                 v => { if(Config!=null) Config.TaskbarManualOffset = v; });
 
+            // [新增] Win11 高度修正
+            if (Environment.OSVersion.Version.Major == 10 && Environment.OSVersion.Version.Build >= 22000)
+            {
+                group.AddInt(this, "Win11 任务栏高度", "px", 
+                    () => Config?.Win11TaskbarHeight ?? 48, 
+                    v => { if(Config!=null) Config.Win11TaskbarHeight = v; });
+            }
+
             group.AddHint(LanguageManager.T("Menu.TaskbarAlignTip"));
             AddGroupToPage(group);
         }
@@ -290,4 +298,4 @@ private void AddGroupToPage(LiteSettingsGroup group)
             _container.Controls.SetChildIndex(wrapper, 0);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/UI/TaskbarForm.cs b/src/UI/TaskbarForm.cs
index fa3972e..e545ff5 100644
--- a/src/UI/TaskbarForm.cs
+++ b/src/UI/TaskbarForm.cs
@@ -47,7 +47,7 @@ public TaskbarForm(Settings cfg, UIController ui, MainForm mainForm)
             _isWin11 = Environment.OSVersion.Version >= new Version(10, 0, 22000);
 
             // 初始化组件
-            _winHelper = new TaskbarWinHelper(this);
+            _winHelper = new TaskbarWinHelper(this, _cfg);
             _bizHelper = new TaskbarBizHelper(this, _cfg, _winHelper);
 
             // 窗体属性
@@ -77,6 +77,7 @@ public TaskbarForm(Settings cfg, UIController ui, MainForm mainForm)
 
         public void ReloadLayout()
         {
+            _winHelper?.InvalidateCache(); // 强制清除位置缓存，确保高度设置立即生效
             _layout = new HorizontalLayout(ThemeManager.Current, 300, LayoutMode.Taskbar, _cfg);
             _lastLayoutSignature = ""; // 重置签名，强制重算
             _winHelper.ApplyLayeredStyle(_bizHelper.TransparentKey, _cfg.TaskbarClickThrough);