diff --git a/Scripts/UI/Component/Serie.cs b/Scripts/UI/Component/Serie.cs
index 44a2957b..9e03359f 100644
--- a/Scripts/UI/Component/Serie.cs
+++ b/Scripts/UI/Component/Serie.cs
@@ -639,6 +639,19 @@ namespace XCharts
             }
         }
 
+        public void UpdateDataName(int index, string name)
+        {
+            if (index >= 0 && index < m_Data.Count)
+            {
+                var serieData = m_Data[index];
+                serieData.name = name;
+                if (serieData.label != null)
+                {
+                    serieData.label.text = name == null ? "" : name;
+                }
+            }
+        }
+
         /// <summary>
         /// 清除所有数据的高亮标志
         /// </summary>
diff --git a/Scripts/UI/Component/Series.cs b/Scripts/UI/Component/Series.cs
index 76ebd9ba..1e345b73 100644
--- a/Scripts/UI/Component/Series.cs
+++ b/Scripts/UI/Component/Series.cs
@@ -332,6 +332,24 @@ namespace XCharts
             }
         }
 
+        public void UpdateDataName(string serieName, string dataName, int dataIndex = 0)
+        {
+            var serie = GetSerie(serieName);
+            if (serie != null)
+            {
+                serie.UpdateDataName(dataIndex, dataName);
+            }
+        }
+
+        public void UpdateDataName(int serieIndex, string dataName, int dataIndex = 0)
+        {
+            var serie = GetSerie(serieIndex);
+            if (serie != null)
+            {
+                serie.UpdateDataName(dataIndex, dataName);
+            }
+        }
+
         /// <summary>
         /// 更新指定系列的维度Y数据
         /// </summary>
diff --git a/Scripts/UI/Internal/BaseChart.cs b/Scripts/UI/Internal/BaseChart.cs
index 0c221e75..397a0024 100644
--- a/Scripts/UI/Internal/BaseChart.cs
+++ b/Scripts/UI/Internal/BaseChart.cs
@@ -52,6 +52,7 @@ namespace XCharts
         [NonSerialized] private List<string> m_CheckSerieName = new List<string>();
         [NonSerialized] private bool m_RefreshChart = false;
         [NonSerialized] private bool m_RefreshLabel = false;
+        [NonSerialized] private bool m_ReinitLabel = false;
 
         protected Vector2 chartAnchorMax { get { return rectTransform.anchorMax; } }
         protected Vector2 chartAnchorMin { get { return rectTransform.anchorMin; } }
@@ -199,7 +200,6 @@ namespace XCharts
         private void InitLegend()
         {
             m_Legend.OnChanged();
-            ChartHelper.HideAllObject(transform, s_LegendObjectName);
             TextAnchor anchor = m_Legend.location.textAnchor;
             Vector2 anchorMin = m_Legend.location.anchorMin;
             Vector2 anchorMax = m_Legend.location.anchorMax;
@@ -208,8 +208,8 @@ namespace XCharts
             var legendObject = ChartHelper.AddObject(s_LegendObjectName, transform, anchorMin, anchorMax,
                 pivot, new Vector2(chartWidth, chartHeight));
             legendObject.transform.localPosition = m_Legend.location.GetPosition(chartWidth, chartHeight);
-            ChartHelper.HideAllObject(legendObject, s_LegendObjectName);
-
+            ChartHelper.DestoryAllChilds(legendObject.transform);
+            if (!m_Legend.show) return;
             var serieNameList = m_Series.GetSerieNameList();
             List<string> datas;
             if (m_Legend.data.Count > 0)
@@ -287,9 +287,9 @@ namespace XCharts
 
         private void InitSerieLabel()
         {
-            ChartHelper.HideAllObject(transform, s_SerieLabelObjectName);
             var labelObject = ChartHelper.AddObject(s_SerieLabelObjectName, transform, chartAnchorMin,
                 chartAnchorMax, chartPivot, new Vector2(chartWidth, chartHeight));
+            ChartHelper.DestoryAllChilds(labelObject.transform);
             int count = 0;
             for (int i = 0; i < m_Series.Count; i++)
             {
@@ -308,7 +308,7 @@ namespace XCharts
                         m_ThemeInfo.font, color, TextAnchor.MiddleCenter, anchorMin, anchorMax, pivot,
                         new Vector2(50, serie.label.fontSize), serie.label.fontSize);
                     serieData.label.text = serieData.name;
-                    serieData.label.gameObject.SetActive(true);
+                    ChartHelper.SetActive(serieData.label.gameObject, false);
                 }
             }
         }
@@ -445,6 +445,11 @@ namespace XCharts
 
         protected void CheckRefreshLabel()
         {
+            if (m_ReinitLabel)
+            {
+                m_ReinitLabel = false;
+                InitSerieLabel();
+            }
             if (m_RefreshLabel)
             {
                 m_RefreshLabel = false;
diff --git a/Scripts/UI/Internal/BaseChart_API.cs b/Scripts/UI/Internal/BaseChart_API.cs
index 8caa86c6..b65fd2e2 100644
--- a/Scripts/UI/Internal/BaseChart_API.cs
+++ b/Scripts/UI/Internal/BaseChart_API.cs
@@ -168,7 +168,11 @@ namespace XCharts
         public virtual bool AddData(int serieIndex, float data, string dataName = null)
         {
             var success = m_Series.AddData(serieIndex, data, dataName, m_MaxCacheDataNumber);
-            if (success) RefreshChart();
+            if (success)
+            {
+                RefreshChart();
+                ReinitChartLabel();
+            }
             return success;
         }
 
@@ -183,7 +187,11 @@ namespace XCharts
         public virtual bool AddData(string serieName, List<float> multidimensionalData, string dataName = null)
         {
             var success = m_Series.AddData(serieName, multidimensionalData, dataName, m_MaxCacheDataNumber);
-            if (success) RefreshChart();
+            if (success)
+            {
+                RefreshChart();
+                ReinitChartLabel();
+            }
             return success;
         }
 
@@ -198,7 +206,11 @@ namespace XCharts
         public virtual bool AddData(int serieIndex, List<float> multidimensionalData, string dataName = null)
         {
             var success = m_Series.AddData(serieIndex, multidimensionalData, dataName, m_MaxCacheDataNumber);
-            if (success) RefreshChart();
+            if (success)
+            {
+                RefreshChart();
+                ReinitChartLabel();
+            }
             return success;
         }
 
@@ -214,7 +226,11 @@ namespace XCharts
         public virtual bool AddData(string serieName, float xValue, float yValue, string dataName)
         {
             var success = m_Series.AddXYData(serieName, xValue, yValue, dataName, m_MaxCacheDataNumber);
-            if (success) RefreshChart();
+            if (success)
+            {
+                RefreshChart();
+                ReinitChartLabel();
+            }
             return true;
         }
 
@@ -230,7 +246,11 @@ namespace XCharts
         public virtual bool AddData(int serieIndex, float xValue, float yValue, string dataName = null)
         {
             var success = m_Series.AddXYData(serieIndex, xValue, yValue, dataName, m_MaxCacheDataNumber);
-            if (success) RefreshChart();
+            if (success)
+            {
+                RefreshChart();
+                ReinitChartLabel();
+            }
             return success;
         }
 
@@ -260,6 +280,30 @@ namespace XCharts
             RefreshChart();
         }
 
+        /// <summary>
+        /// Update serie data name.
+        /// 更新指定系列中的指定索引数据名称。
+        /// </summary>
+        /// <param name="serieName"></param>
+        /// <param name="dataName"></param>
+        /// <param name="dataIndex"></param>
+        public virtual void UpdateDataName(string serieName, string dataName, int dataIndex = 0)
+        {
+            m_Series.UpdateDataName(serieName, dataName, dataIndex);
+        }
+
+        /// <summary>
+        /// Update serie data name.
+        /// 更新指定系列中的指定索引数据名称。
+        /// </summary>
+        /// <param name="serieIndex"></param>
+        /// <param name="dataName"></param>
+        /// <param name="dataIndex"></param>
+        public virtual void UpdateDataName(int serieIndex, string dataName, int dataIndex)
+        {
+            m_Series.UpdateDataName(serieIndex, dataName, dataIndex);
+        }
+
         /// <summary>
         /// Whether to show serie.
         /// 设置指定系列是否显示。
@@ -352,6 +396,14 @@ namespace XCharts
             m_RefreshChart = true;
         }
 
+        /// <summary>
+        /// 重新初始化Label。
+        /// </summary>
+        public void ReinitChartLabel()
+        {
+            m_ReinitLabel = true;
+        }
+
         /// <summary>
         /// Update chart theme.
         /// 切换图表主题。
diff --git a/Scripts/UI/PieChart.cs b/Scripts/UI/PieChart.cs
index 85565f41..985e650c 100644
--- a/Scripts/UI/PieChart.cs
+++ b/Scripts/UI/PieChart.cs
@@ -341,6 +341,7 @@ namespace XCharts
             var isHighlight = (serieData.highlighted && serie.highlightLabel.show);
             if (serie.label.show || isHighlight)
             {
+                ChartHelper.SetActive(serieData.label.gameObject,true);
                 float rotate = 0;
                 bool isInsidePosition = serie.label.position == SerieLabel.Position.Inside;
                 if (serie.label.rotate > 0 && isInsidePosition)