diff --git a/Bin/SunnyUI.Demo.exe b/Bin/SunnyUI.Demo.exe
index 1b7d9e7d..8d6e3881 100644
Binary files a/Bin/SunnyUI.Demo.exe and b/Bin/SunnyUI.Demo.exe differ
diff --git a/Bin/SunnyUI.dll b/Bin/SunnyUI.dll
index db72bebb..990577de 100644
Binary files a/Bin/SunnyUI.dll and b/Bin/SunnyUI.dll differ
diff --git a/SunnyUI.Demo/Charts/FBarChart.cs b/SunnyUI.Demo/Charts/FBarChart.cs
index d9ac6ac3..6fe9d7c9 100644
--- a/SunnyUI.Demo/Charts/FBarChart.cs
+++ b/SunnyUI.Demo/Charts/FBarChart.cs
@@ -48,7 +48,7 @@ namespace Sunny.UI.Demo.Charts
             option.XAxis.Data.Add("Thu");
             option.XAxis.Data.Add("Fri");
 
-            option.ToolTip = new UIBarToolTip();
+            option.ToolTip.Visible = true;
             option.YAxis.Scale = true;
 
             option.XAxis.Name = "日期";
diff --git a/SunnyUI.Demo/Charts/FBarChartEx.cs b/SunnyUI.Demo/Charts/FBarChartEx.cs
index 3404b25f..64e6e66c 100644
--- a/SunnyUI.Demo/Charts/FBarChartEx.cs
+++ b/SunnyUI.Demo/Charts/FBarChartEx.cs
@@ -73,7 +73,7 @@ namespace Sunny.UI.Demo
             option.XAxis.Data.Add("Thu");
             option.XAxis.Data.Add("Fri");
 
-            option.ToolTip = new UIBarToolTip();
+            option.ToolTip.Visible = true;
             option.YAxis.Scale = true;
 
             option.XAxis.Name = "日期";
diff --git a/SunnyUI.Demo/Charts/FDoughnutChart.cs b/SunnyUI.Demo/Charts/FDoughnutChart.cs
index e3e55a96..e80f447d 100644
--- a/SunnyUI.Demo/Charts/FDoughnutChart.cs
+++ b/SunnyUI.Demo/Charts/FDoughnutChart.cs
@@ -18,7 +18,7 @@
             option.Title.Left = UILeftAlignment.Center;
 
             //设置ToolTip
-            option.ToolTip = new UIPieToolTip();
+            option.ToolTip.Visible = true;
 
             //设置Legend
             option.Legend = new UILegend();
diff --git a/SunnyUI.Demo/Charts/FLineChart.cs b/SunnyUI.Demo/Charts/FLineChart.cs
index d7dd4ba5..95ca0983 100644
--- a/SunnyUI.Demo/Charts/FLineChart.cs
+++ b/SunnyUI.Demo/Charts/FLineChart.cs
@@ -14,7 +14,7 @@ namespace Sunny.UI.Demo.Charts
         private void uiSymbolButton1_Click(object sender, EventArgs e)
         {
             UILineOption option = new UILineOption();
-            option.ToolTip = new UIBarToolTip();
+            option.ToolTip.Visible = true;
             option.Title = new UITitle();
             option.Title.Text = "SunnyUI";
             option.Title.SubText = "LineChart";
diff --git a/SunnyUI.Demo/Charts/FPieChart.cs b/SunnyUI.Demo/Charts/FPieChart.cs
index a924812d..93b5d661 100644
--- a/SunnyUI.Demo/Charts/FPieChart.cs
+++ b/SunnyUI.Demo/Charts/FPieChart.cs
@@ -33,7 +33,7 @@
             option.Title.Left = UILeftAlignment.Center;
 
             //设置ToolTip
-            option.ToolTip = new UIPieToolTip();
+            option.ToolTip.Visible = true;
 
             //设置Legend
             option.Legend = new UILegend();
diff --git a/SunnyUI/Charts/UIBarChart.cs b/SunnyUI/Charts/UIBarChart.cs
index 01b942a6..74f11938 100644
--- a/SunnyUI/Charts/UIBarChart.cs
+++ b/SunnyUI/Charts/UIBarChart.cs
@@ -274,7 +274,7 @@ namespace Sunny.UI
 
             try
             {
-                if (BarOption.ToolTip == null) return;
+                if (!BarOption.ToolTip.Visible) return;
                 if (e.Location.X > BarOption.Grid.Left && e.Location.X < Width - BarOption.Grid.Right
                                                        && e.Location.Y > BarOption.Grid.Top &&
                                                        e.Location.Y < Height - BarOption.Grid.Bottom)
diff --git a/SunnyUI/Charts/UIBarChartEx.cs b/SunnyUI/Charts/UIBarChartEx.cs
index 7f8b3c2d..a72b806c 100644
--- a/SunnyUI/Charts/UIBarChartEx.cs
+++ b/SunnyUI/Charts/UIBarChartEx.cs
@@ -481,7 +481,7 @@ namespace Sunny.UI
         {
             try
             {
-                if (BarOption.ToolTip == null) return;
+                if (!BarOption.ToolTip.Visible) return;
                 if (e.Location.X > BarOption.Grid.Left &&
                     e.Location.X < Width - BarOption.Grid.Right &&
                     e.Location.Y > BarOption.Grid.Top &&
diff --git a/SunnyUI/Charts/UIBarChartOption.cs b/SunnyUI/Charts/UIBarChartOption.cs
index c6d7f297..10f80728 100644
--- a/SunnyUI/Charts/UIBarChartOption.cs
+++ b/SunnyUI/Charts/UIBarChartOption.cs
@@ -29,7 +29,7 @@ namespace Sunny.UI
     {
         public UIAxis XAxis { get; set; } = new UIAxis(UIAxisType.Category);
 
-        public UIBarToolTip ToolTip { get; set; }
+        public UIBarToolTip ToolTip { get; set; } = new UIBarToolTip();
 
         public UIAxis YAxis { get; set; } = new UIAxis(UIAxisType.Value);
 
@@ -69,13 +69,15 @@ namespace Sunny.UI
         public int SeriesCount => Series.Count;
     }
 
-    public class UIBarToolTip
+    public class UIBarToolTip : UIChartToolTip
     {
-        public string Formatter { get; set; } = "{{b}} : {{c}}";
-
-        public string ValueFormat { get; set; } = "F0";
-
         public UIAxisPointer AxisPointer = new UIAxisPointer();
+
+        public UIBarToolTip()
+        {
+            Formatter = "{{b}} : {{c}}";
+            ValueFormat = "F0";
+        }
     }
 
     public class UIAxisPointer
diff --git a/SunnyUI/Charts/UIDoughnutChart.cs b/SunnyUI/Charts/UIDoughnutChart.cs
index 53e7946d..adeb7aeb 100644
--- a/SunnyUI/Charts/UIDoughnutChart.cs
+++ b/SunnyUI/Charts/UIDoughnutChart.cs
@@ -214,7 +214,11 @@ namespace Sunny.UI
                             tip.Top = e.Location.Y + 20;
                         }
 
-                        if (!tip.Visible) tip.Visible = angle.Text.IsValid();
+                        if (DoughnutOption.ToolTip.Visible)
+                        {
+                            if (!tip.Visible) tip.Visible = angle.Text.IsValid();
+                        }
+
                         return;
                     }
                 }
diff --git a/SunnyUI/Charts/UILineChart.cs b/SunnyUI/Charts/UILineChart.cs
index 7a70bd0e..bc8ef8c0 100644
--- a/SunnyUI/Charts/UILineChart.cs
+++ b/SunnyUI/Charts/UILineChart.cs
@@ -495,7 +495,7 @@ namespace Sunny.UI
                     idx++;
                 }
 
-                if (LineOption.ToolTip != null)
+                if (LineOption.ToolTip.Visible)
                 {
                     if (sb.ToString().IsNullOrEmpty())
                     {
diff --git a/SunnyUI/Charts/UILineChartOption.cs b/SunnyUI/Charts/UILineChartOption.cs
index 801f8c10..c5e53999 100644
--- a/SunnyUI/Charts/UILineChartOption.cs
+++ b/SunnyUI/Charts/UILineChartOption.cs
@@ -12,7 +12,7 @@ namespace Sunny.UI
 
         public UIAxis YAxis { get; set; } = new UIAxis(UIAxisType.Value);
 
-        public UIBarToolTip ToolTip { get; set; }
+        public UILineToolTip ToolTip { get; set; } = new UILineToolTip();
 
         public void Dispose()
         {
@@ -215,8 +215,14 @@ namespace Sunny.UI
         }
     }
 
+    public class UILineToolTip : UIChartToolTip
+    {
+
+    }
+
     public class UILineSeries
     {
+        public int Index { get; set; }
         public string Name { get; private set; }
 
         public float Width { get; set; } = 2;
diff --git a/SunnyUI/Charts/UIOption.cs b/SunnyUI/Charts/UIOption.cs
index 2742acf4..063c5b41 100644
--- a/SunnyUI/Charts/UIOption.cs
+++ b/SunnyUI/Charts/UIOption.cs
@@ -30,6 +30,15 @@ namespace Sunny.UI
         public UILegend Legend;
     }
 
+    public class UIChartToolTip
+    {
+        public bool Visible { get; set; }
+
+        public string Formatter { get; set; }
+
+        public string ValueFormat { get; set; }
+    }
+
     public class UIScaleLine
     {
         public double Value { get; set; }
diff --git a/SunnyUI/Charts/UIPieChart.cs b/SunnyUI/Charts/UIPieChart.cs
index 968c47d9..d2b977ea 100644
--- a/SunnyUI/Charts/UIPieChart.cs
+++ b/SunnyUI/Charts/UIPieChart.cs
@@ -243,7 +243,11 @@ namespace Sunny.UI
                             tip.Top = e.Location.Y + 20;
                         }
 
-                        if (!tip.Visible) tip.Visible = angle.Text.IsValid();
+                        if (PieOption.ToolTip.Visible)
+                        {
+                            if (!tip.Visible) tip.Visible = angle.Text.IsValid();
+                        }
+
                         return;
                     }
                 }
diff --git a/SunnyUI/Charts/UIPieChartOption.cs b/SunnyUI/Charts/UIPieChartOption.cs
index 89fae06f..e080dcce 100644
--- a/SunnyUI/Charts/UIPieChartOption.cs
+++ b/SunnyUI/Charts/UIPieChartOption.cs
@@ -29,7 +29,7 @@ namespace Sunny.UI
     {
         public List<UIPieSeries> Series = new List<UIPieSeries>();
 
-        public UIPieToolTip ToolTip;
+        public UIPieToolTip ToolTip { get; set; } = new UIPieToolTip();
 
         public void AddSeries(UIPieSeries series)
         {
@@ -54,7 +54,7 @@ namespace Sunny.UI
     {
         public List<UIDoughnutSeries> Series = new List<UIDoughnutSeries>();
 
-        public UIPieToolTip ToolTip;
+        public UIPieToolTip ToolTip { get; set; } = new UIPieToolTip();
 
         public void AddSeries(UIDoughnutSeries series)
         {
@@ -75,11 +75,14 @@ namespace Sunny.UI
         public int SeriesCount => Series.Count;
     }
 
-    public class UIPieToolTip
+    public class UIPieToolTip : UIChartToolTip
     {
-        public string Formatter { get; set; } = "{{a}}" + '\n' + "{{b}} : {{c}} ({{d}}%)";
-
-        public string ValueFormat { get; set; } = "F0";
+        public UIPieToolTip()
+        {
+            Formatter = "{{a}}" + '\n' + "{{b}} : {{c}} ({{d}}%)";
+            ValueFormat = "F0";
+            Visible = true;
+        }
     }
 
     public class UIPieSeries : IDisposable