diff --git a/SunnyUI/Charts/UILineChart.cs b/SunnyUI/Charts/UILineChart.cs
index 49eb26d9..0f590f94 100644
--- a/SunnyUI/Charts/UILineChart.cs
+++ b/SunnyUI/Charts/UILineChart.cs
@@ -50,6 +50,7 @@
  * 2023-07-14: V3.4.0 增加了坐标轴绘制时显示箭头，并在箭头处显示数量单位的功能
  * 2023-10-04: V3.5.0 增加了Y轴数据由上向下绘制
  * 2023-10-05: V3.5.0 增加了X轴和Y轴鼠标选择区域并返回选中范围
+ * 2023-10-20: V3.5.1 增加了绘制线的DashStyle样式
 ******************************************************************************/
 
 using System;
@@ -546,6 +547,8 @@ namespace Sunny.UI
             {
                 using (Pen pen = new Pen(color, series.Width))
                 {
+                    pen.DashStyle = series.DashStyle;
+                    if (series.DashPattern.IsValid()) pen.DashPattern = series.DashPattern;
                     g.SetHighQuality();
 
                     if (series is UISwitchLineSeries lineSeries)
diff --git a/SunnyUI/Charts/UILineChartOption.cs b/SunnyUI/Charts/UILineChartOption.cs
index f7ab0760..10d0db32 100644
--- a/SunnyUI/Charts/UILineChartOption.cs
+++ b/SunnyUI/Charts/UILineChartOption.cs
@@ -28,6 +28,7 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Drawing;
+using System.Drawing.Drawing2D;
 using System.Linq;
 
 namespace Sunny.UI
@@ -496,6 +497,10 @@ namespace Sunny.UI
         public float Width { get; set; } = 2;
         public Color Color { get; set; }
 
+        public DashStyle DashStyle { get; set; } = DashStyle.Solid;
+
+        public float[] DashPattern { get; set; }
+
         public UILinePointSymbol Symbol { get; set; } = UILinePointSymbol.None;
 
         /// <summary>
diff --git a/SunnyUI/Common/UGraphics.cs b/SunnyUI/Common/UGraphics.cs
index 8991eec8..a40a52c6 100644
--- a/SunnyUI/Common/UGraphics.cs
+++ b/SunnyUI/Common/UGraphics.cs
@@ -268,11 +268,11 @@ namespace Sunny.UI
         /// <param name="color">颜色</param>
         /// <param name="centerPoint">文字中心点</param>
         /// <param name="angle">角度</param>
-        public static void DrawRotateString(this Graphics g, string text, Font font, Color color, PointF centerPoint, float angle)
+        public static void DrawRotateString(this Graphics g, string text, Font font, Color color, PointF centerPoint, float angle, int offsetX = 0, int offsetY = 0)
         {
             if (text.IsNullOrEmpty()) return;
             using Brush br = color.Brush();
-            g.DrawRotateString(text, font, br, centerPoint, angle);
+            g.DrawRotateString(text, font, br, centerPoint, angle, offsetX, offsetY);
         }
 
         /// <summary>
@@ -284,25 +284,25 @@ namespace Sunny.UI
         /// <param name="brush">笔刷</param>
         /// <param name="centerPoint">文字中心点</param>
         /// <param name="angle">角度</param>
-        private static void DrawRotateString(this Graphics g, string text, Font font, Brush brush, PointF centerPoint, float angle)
+        private static void DrawRotateString(this Graphics g, string text, Font font, Brush brush, PointF centerPoint, float angle, int offsetX = 0, int offsetY = 0)
         {
             if (text.IsNullOrEmpty()) return;
             SizeF sf = TextRenderer.MeasureText(text, font);
-            float x1 = centerPoint.X - sf.Width / 2.0f;
-            float y1 = centerPoint.Y - sf.Height / 2.0f;
+            float x1 = centerPoint.X - sf.Width / 2.0f + offsetX;
+            float y1 = centerPoint.Y - sf.Height / 2.0f + offsetY;
 
             // 把画板的原点(默认是左上角)定位移到文字中心
-            g.TranslateTransform(x1 + sf.Width / 2, y1 + sf.Height / 2);
+            g.TranslateTransform(x1 + sf.Width / 2.0f, y1 + sf.Height / 2.0f);
             // 旋转画板
             g.RotateTransform(angle);
             // 回退画板x,y轴移动过的距离
-            g.TranslateTransform(-(x1 + sf.Width / 2), -(y1 + sf.Height / 2));
+            g.TranslateTransform(-(x1 + sf.Width / 2.0f), -(y1 + sf.Height / 2.0f));
             g.DrawString(text, font, brush, x1, y1);
 
             //恢复
-            g.TranslateTransform(x1 + sf.Width / 2, y1 + sf.Height / 2);
+            g.TranslateTransform(x1 + sf.Width / 2.0f, y1 + sf.Height / 2.0f);
             g.RotateTransform(-angle);
-            g.TranslateTransform(-(x1 + sf.Width / 2), -(y1 + sf.Height / 2));
+            g.TranslateTransform(-(x1 + sf.Width / 2.0f), -(y1 + sf.Height / 2.0f));
         }
 
         /// <summary>
diff --git a/SunnyUI/Font/UFontImageHelper.cs b/SunnyUI/Font/UFontImageHelper.cs
index 9a290653..23a7fae5 100644
--- a/SunnyUI/Font/UFontImageHelper.cs
+++ b/SunnyUI/Font/UFontImageHelper.cs
@@ -106,11 +106,35 @@ namespace Sunny.UI
         /// <param name="xOffset">����ƫ��</param>
         /// <param name="yOffSet">����ƫ��</param>
         public static void DrawFontImage(this Graphics graphics, int symbol, int symbolSize, Color color,
+            RectangleF rect, int xOffset = 0, int yOffSet = 0, int angle = 0)
+        {
+            SizeF sf = graphics.GetFontImageSize(symbol, symbolSize);
+
+            if (angle == 0)
+            {
+                graphics.DrawFontImage(symbol, symbolSize, color, rect.Left + ((rect.Width - sf.Width) / 2.0f).RoundEx(),
+                    rect.Top + ((rect.Height - sf.Height) / 2.0f).RoundEx(), xOffset, yOffSet);
+            }
+            else
+            {
+                graphics.DrawFontImage(symbol, symbolSize, color, angle, rect, xOffset, yOffSet);
+            }
+        }
+
+        public static void DrawFontImage(this Graphics graphics, int symbol, int symbolSize, Color color, int angle,
             RectangleF rect, int xOffset = 0, int yOffSet = 0)
         {
             SizeF sf = graphics.GetFontImageSize(symbol, symbolSize);
-            graphics.DrawFontImage(symbol, symbolSize, color, rect.Left + ((rect.Width - sf.Width) / 2.0f).RoundEx(),
-                rect.Top + ((rect.Height - sf.Height) / 2.0f).RoundEx(), xOffset, yOffSet);
+            PointF center = rect.Center();
+            Font font = GetFont(symbol, symbolSize);
+
+            var symbolValue = GetSymbolValue(symbol);
+            string text = char.ConvertFromUtf32(symbolValue);
+            graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
+            graphics.InterpolationMode = InterpolationMode.HighQualityBilinear;
+            graphics.DrawRotateString(text, font, color, center, angle, xOffset, yOffSet);
+            graphics.TextRenderingHint = TextRenderingHint.SystemDefault;
+            graphics.InterpolationMode = InterpolationMode.Default;
         }
 
         /// <summary>
@@ -127,12 +151,8 @@ namespace Sunny.UI
         public static void DrawFontImage(this Graphics graphics, int symbol, int symbolSize, Color color,
             float left, float top, int xOffset = 0, int yOffSet = 0)
         {
-            //����
             Font font = GetFont(symbol, symbolSize);
-            if (font == null)
-            {
-                return;
-            }
+            if (font == null) return;
 
             var symbolValue = GetSymbolValue(symbol);
             string text = char.ConvertFromUtf32(symbolValue);