diff --git a/SunnyUI/Controls/UIRuler.cs b/SunnyUI/Controls/UIRuler.cs
index 53a32de8..ea672e70 100644
--- a/SunnyUI/Controls/UIRuler.cs
+++ b/SunnyUI/Controls/UIRuler.cs
@@ -14,7 +14,7 @@
  * 文件名称: UIRuler.cs
  * 文件说明: 刻度尺
  * 当前版本: V3.6.1
- * 创建日期: 2020-01-01
+ * 创建日期: 2023-11-29
  *
  * 2023-11-29: V3.6.1 增加文件说明
 ******************************************************************************/
diff --git a/SunnyUI/Controls/UIThermometer.cs b/SunnyUI/Controls/UIThermometer.cs
new file mode 100644
index 00000000..02910b58
--- /dev/null
+++ b/SunnyUI/Controls/UIThermometer.cs
@@ -0,0 +1,193 @@
+/******************************************************************************
+ * SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
+ * CopyRight (C) 2012-2023 ShenYongHua(沈永华).
+ * QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
+ *
+ * Blog:   https://www.cnblogs.com/yhuse
+ * Gitee:  https://gitee.com/yhuse/SunnyUI
+ * GitHub: https://github.com/yhuse/SunnyUI
+ *
+ * SunnyUI.dll can be used for free under the GPL-3.0 license.
+ * If you use this code, please keep this note.
+ * 如果您使用此代码，请保留此说明。
+ ******************************************************************************
+ * 文件名称: UIThermometer.cs
+ * 文件说明: 温度计
+ * 当前版本: V3.6.1
+ * 创建日期: 2023-11-30
+ *
+ * 2023-11-30: V3.6.1 增加文件说明
+******************************************************************************/
+
+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+
+namespace Sunny.UI
+{
+    [DefaultEvent("ValueChanged")]
+    [DefaultProperty("Value")]
+    [ToolboxItem(true)]
+    public class UIThermometer : UIControl
+    {
+        public event EventHandler ValueChanged;
+
+        public UIThermometer()
+        {
+            SetStyleFlags();
+            Width = 32;
+            Height = 150;
+
+            ShowText = false;
+            ShowRect = false;
+
+            rectDisableColor = UIStyles.Blue.TrackDisableColor;
+            fillColor = UIStyles.Blue.TrackBarFillColor;
+            rectColor = UIStyles.Blue.TrackBarForeColor;
+        }
+
+        private int _maximum = 100;
+        private int _minimum;
+        private int thermometerValue;
+
+        [DefaultValue(100)]
+        [Description("最大值"), Category("SunnyUI")]
+        public int Maximum
+        {
+            get => _maximum;
+            set
+            {
+                _maximum = value;
+                if (_maximum <= _minimum)
+                    _minimum = _maximum - 1;
+
+                Invalidate();
+            }
+        }
+
+        [DefaultValue(0)]
+        [Description("最小值"), Category("SunnyUI")]
+        public int Minimum
+        {
+            get => _minimum;
+            set
+            {
+                _minimum = value;
+                if (_minimum >= _maximum)
+                    _maximum = _minimum + 1;
+
+                Invalidate();
+            }
+        }
+
+        [DefaultValue(0)]
+        [Description("当前值"), Category("SunnyUI")]
+        public int Value
+        {
+            get => thermometerValue;
+            set
+            {
+                int v = Math.Min(Math.Max(Minimum, value), Maximum);
+                if (thermometerValue != v)
+                {
+                    thermometerValue = v;
+                    ValueChanged?.Invoke(this, EventArgs.Empty);
+                    Invalidate();
+                }
+            }
+        }
+
+        /// <summary>
+        /// 设置主题样式
+        /// </summary>
+        /// <param name="uiColor">主题样式</param>
+        public override void SetStyleColor(UIBaseStyle uiColor)
+        {
+            base.SetStyleColor(uiColor);
+
+            rectDisableColor = uiColor.TrackDisableColor;
+            fillColor = uiColor.TrackBarFillColor;
+            rectColor = uiColor.TrackBarForeColor;
+        }
+
+        /// <summary>
+        /// 绘制填充颜色
+        /// </summary>
+        /// <param name="g">绘图图面</param>
+        /// <param name="path">绘图路径</param>
+        protected override void OnPaintFill(Graphics g, GraphicsPath path)
+        {
+            g.Clear(fillColor);
+            g.FillRoundRectangle(rectDisableColor, new Rectangle(Width / 2 - LineSize / 2, 5, LineSize, Height - 1 - 10), LineSize);
+
+            int len = (int)((Value - Minimum) * 1.0 * (Height - 1 - 5 - BallSize) / (Maximum - Minimum));
+            if (len > 0)
+            {
+                g.FillRoundRectangle(rectColor, new Rectangle(Width / 2 - LineSize / 2, Height - len - ballSize, LineSize, len), LineSize);
+            }
+
+            g.FillEllipse(rectColor, new Rectangle(Width / 2 - BallSize / 2, Height - BallSize - 1, BallSize, BallSize));
+            g.FillRectangle(rectColor, new Rectangle(Width / 2 - LineSize / 2, Height - len - ballSize + LineSize / 2, LineSize, len + 2), true);
+
+        }
+
+        private int lineSize = 6;
+
+        [DefaultValue(6)]
+        [Description("球大小"), Category("SunnyUI")]
+        public int LineSize
+        {
+            get => lineSize;
+            set
+            {
+                lineSize = Math.Max(6, value);
+                Invalidate();
+            }
+        }
+
+        private int ballSize = 20;
+
+        [DefaultValue(20)]
+        [Description("球大小"), Category("SunnyUI")]
+        public int BallSize
+        {
+            get => ballSize;
+            set
+            {
+                ballSize = Math.Max(16, value);
+                Invalidate();
+            }
+        }
+
+        /// <summary>/// 重载鼠标抬起事件
+        /// 填充颜色，当值为背景色或透明色或空值则不填充
+        /// </summary>
+        [Description("填充颜色"), Category("SunnyUI")]
+        [DefaultValue(typeof(Color), "243, 249, 255")]
+        public Color FillColor
+        {
+            get => fillColor;
+            set => SetFillColor(value);
+        }
+
+        /// <summary>
+        /// 边框颜色
+        /// </summary>
+        [Description("边框颜色"), Category("SunnyUI")]
+        [DefaultValue(typeof(Color), "80, 160, 255")]
+        public Color ThermometerColor
+        {
+            get => rectColor;
+            set => SetRectColor(value);
+        }
+
+        [DefaultValue(typeof(Color), "Silver")]
+        [Description("不可用时颜色"), Category("SunnyUI")]
+        public Color DisableColor
+        {
+            get => rectDisableColor;
+            set => SetRectDisableColor(value);
+        }
+    }
+}