diff --git a/Bin/SunnyUI.dll b/Bin/SunnyUI.dll
index f08bb2a2..475edc96 100644
Binary files a/Bin/SunnyUI.dll and b/Bin/SunnyUI.dll differ
diff --git a/Bin/SunnyUI.pdb b/Bin/SunnyUI.pdb
index 456bc8d6..699687f5 100644
Binary files a/Bin/SunnyUI.pdb and b/Bin/SunnyUI.pdb differ
diff --git a/SunnyUI.Demo/Bin/SunnyUI.dll b/SunnyUI.Demo/Bin/SunnyUI.dll
index f08bb2a2..475edc96 100644
Binary files a/SunnyUI.Demo/Bin/SunnyUI.dll and b/SunnyUI.Demo/Bin/SunnyUI.dll differ
diff --git a/SunnyUI/Charts/UIPieChartOption.cs b/SunnyUI/Charts/UIPieChartOption.cs
index ae470c00..062311e4 100644
--- a/SunnyUI/Charts/UIPieChartOption.cs
+++ b/SunnyUI/Charts/UIPieChartOption.cs
@@ -75,9 +75,21 @@ namespace Sunny.UI
 
         public UIPieSeriesLabel Label = new UIPieSeriesLabel();
 
+        public delegate Color OnDataColorChangeEventHandler(double data);
+
+        public event OnDataColorChangeEventHandler DataColorChange;
+
         public void AddData(string name, double value)
         {
-            Data.Add(new UIPieSeriesData(name, value));
+            if (DataColorChange != null)
+            {
+                 Color color = DataColorChange.Invoke(value);
+                 Data.Add(new UIPieSeriesData(name, value,color));
+            }
+            else
+            {
+                Data.Add(new UIPieSeriesData(name, value));
+            }
         }
 
         public void AddData(string name, double value, Color color)
diff --git a/SunnyUI/Controls/UIPagination.cs b/SunnyUI/Controls/UIPagination.cs
index 4d0be90f..e43a8849 100644
--- a/SunnyUI/Controls/UIPagination.cs
+++ b/SunnyUI/Controls/UIPagination.cs
@@ -65,7 +65,11 @@ namespace Sunny.UI
         private bool inSetDataConnection;
         private UIPanel p1;
 
-        private int PageCount;
+        /// <summary>
+        /// 总页数
+        /// </summary>
+        [Browsable(false)]
+        public int PageCount { get; private set; }
 
         private int pagerCount = 7;
 
@@ -215,6 +219,8 @@ namespace Sunny.UI
             set => p1.Visible = value;
         }
 
+        public event EventHandler DataSourceChanged;
+
         [DefaultValue(null)]
         [RefreshProperties(RefreshProperties.Repaint)]
         [AttributeProvider(typeof(IListSource))]
@@ -235,6 +241,7 @@ namespace Sunny.UI
                 dataSource = value;
                 activePage = 1;
                 TotalCount = dataManager?.List.Count ?? 0;
+                DataSourceChanged?.Invoke(this,null);
             }
         }