diff --git a/Scripts/UI/API/BaseChart_API.cs b/Scripts/UI/API/BaseChart_API.cs
index 29677271..3ca8b70c 100644
--- a/Scripts/UI/API/BaseChart_API.cs
+++ b/Scripts/UI/API/BaseChart_API.cs
@@ -132,11 +132,15 @@ namespace XCharts
         /// <param name="data">the data to add</param>
         /// <param name="dataName">the name of data</param>
         /// <returns>Returns True on success</returns>
-        public virtual bool AddData(string serieName, float data, string dataName = null)
+        public virtual SerieData AddData(string serieName, float data, string dataName = null)
         {
-            var success = m_Series.AddData(serieName, data, dataName);
-            if (success) RefreshChart();
-            return success;
+            var serieData = m_Series.AddData(serieName, data, dataName);
+            if (serieData != null)
+            {
+                RefreshChart();
+                RefreshLabel();
+            }
+            return serieData;
         }
 
         /// <summary>
@@ -147,15 +151,15 @@ namespace XCharts
         /// <param name="data">the data to add</param>
         /// <param name="dataName">the name of data</param>
         /// <returns>Returns True on success</returns>
-        public virtual bool AddData(int serieIndex, float data, string dataName = null)
+        public virtual SerieData AddData(int serieIndex, float data, string dataName = null)
         {
-            var success = m_Series.AddData(serieIndex, data, dataName);
-            if (success)
+            var serieData = m_Series.AddData(serieIndex, data, dataName);
+            if (serieData != null)
             {
                 RefreshChart();
-                ReinitChartLabel();
+                RefreshLabel();
             }
-            return success;
+            return serieData;
         }
 
         /// <summary>
@@ -166,15 +170,15 @@ namespace XCharts
         /// <param name="multidimensionalData">the (x,y,z,...) data</param>
         /// <param name="dataName">the name of data</param>
         /// <returns>Returns True on success</returns>
-        public virtual bool AddData(string serieName, List<float> multidimensionalData, string dataName = null)
+        public virtual SerieData AddData(string serieName, List<float> multidimensionalData, string dataName = null)
         {
-            var success = m_Series.AddData(serieName, multidimensionalData, dataName);
-            if (success)
+            var serieData = m_Series.AddData(serieName, multidimensionalData, dataName);
+            if (serieData != null)
             {
                 RefreshChart();
-                ReinitChartLabel();
+                RefreshLabel();
             }
-            return success;
+            return serieData;
         }
 
         /// <summary>
@@ -185,15 +189,15 @@ namespace XCharts
         /// <param name="multidimensionalData">the (x,y,z,...) data</param>
         /// <param name="dataName">the name of data</param>
         /// <returns>Returns True on success</returns>
-        public virtual bool AddData(int serieIndex, List<float> multidimensionalData, string dataName = null)
+        public virtual SerieData AddData(int serieIndex, List<float> multidimensionalData, string dataName = null)
         {
-            var success = m_Series.AddData(serieIndex, multidimensionalData, dataName);
-            if (success)
+            var serieData = m_Series.AddData(serieIndex, multidimensionalData, dataName);
+            if (serieData != null)
             {
                 RefreshChart();
-                ReinitChartLabel();
+                RefreshLabel();
             }
-            return success;
+            return serieData;
         }
 
         /// <summary>
@@ -205,15 +209,15 @@ namespace XCharts
         /// <param name="yValue">y data</param>
         /// <param name="dataName">the name of data</param>
         /// <returns>Returns True on success</returns>
-        public virtual bool AddData(string serieName, float xValue, float yValue, string dataName)
+        public virtual SerieData AddData(string serieName, float xValue, float yValue, string dataName)
         {
-            var success = m_Series.AddXYData(serieName, xValue, yValue, dataName);
-            if (success)
+            var serieData = m_Series.AddXYData(serieName, xValue, yValue, dataName);
+            if (serieData != null)
             {
                 RefreshChart();
-                ReinitChartLabel();
+                RefreshLabel();
             }
-            return true;
+            return serieData;
         }
 
         /// <summary>
@@ -225,15 +229,15 @@ namespace XCharts
         /// <param name="yValue">y data</param>
         /// <param name="dataName">the name of data</param>
         /// <returns>Returns True on success</returns>
-        public virtual bool AddData(int serieIndex, float xValue, float yValue, string dataName = null)
+        public virtual SerieData AddData(int serieIndex, float xValue, float yValue, string dataName = null)
         {
-            var success = m_Series.AddXYData(serieIndex, xValue, yValue, dataName);
-            if (success)
+            var serieData = m_Series.AddXYData(serieIndex, xValue, yValue, dataName);
+            if (serieData != null)
             {
                 RefreshChart();
-                ReinitChartLabel();
+                RefreshLabel();
             }
-            return success;
+            return serieData;
         }
 
         /// <summary>
@@ -379,10 +383,16 @@ namespace XCharts
             m_RefreshChart = true;
         }
 
-        /// <summary>
-        /// 重新初始化Label。
-        /// </summary>
+        [Obsolete("rename. use RefreshLabel() instead.", true)]
         public void ReinitChartLabel()
+        {
+            RefreshLabel();
+        }
+
+        /// <summary>
+        /// 刷新文本标签Label，重新初始化，当有改动Label参数时手动调用改接口
+        /// </summary>
+        public void RefreshLabel()
         {
             m_ReinitLabel = true;
         }
diff --git a/Scripts/UI/Component/Main/Serie.cs b/Scripts/UI/Component/Main/Serie.cs
index df8c5059..7856e0d4 100644
--- a/Scripts/UI/Component/Main/Serie.cs
+++ b/Scripts/UI/Component/Main/Serie.cs
@@ -597,7 +597,7 @@ namespace XCharts
         /// </summary>
         /// <param name="value"></param>
         /// <param name="dataName"></param>
-        public void AddYData(float value, string dataName = null)
+        public SerieData AddYData(float value, string dataName = null)
         {
             if (m_MaxCache > 0)
             {
@@ -608,7 +608,9 @@ namespace XCharts
                 }
             }
             int xValue = m_Data.Count;
-            m_Data.Add(new SerieData() { data = new List<float>() { xValue, value }, name = dataName });
+            var serieData = new SerieData() { data = new List<float>() { xValue, value }, name = dataName };
+            m_Data.Add(serieData);
+            return serieData;
         }
 
         /// <summary>
@@ -618,7 +620,7 @@ namespace XCharts
         /// <param name="yValue"></param>
         /// <param name="dataName"></param>
         /// <param name="maxDataNumber"></param>
-        public void AddXYData(float xValue, float yValue, string dataName = null)
+        public SerieData AddXYData(float xValue, float yValue, string dataName = null)
         {
             if (m_MaxCache > 0)
             {
@@ -628,7 +630,9 @@ namespace XCharts
                     m_Data.RemoveAt(0);
                 }
             }
-            m_Data.Add(new SerieData() { data = new List<float>() { xValue, yValue }, name = dataName });
+            var serieData = new SerieData() { data = new List<float>() { xValue, yValue }, name = dataName };
+            m_Data.Add(serieData);
+            return serieData;
         }
 
         /// <summary>
@@ -638,16 +642,16 @@ namespace XCharts
         /// <param name="valueList"></param>
         /// <param name="dataName"></param>
         /// <param name="maxDataNumber"></param>
-        public void AddData(List<float> valueList, string dataName = null)
+        public SerieData AddData(List<float> valueList, string dataName = null)
         {
-            if (valueList == null || valueList.Count == 0) return;
+            if (valueList == null || valueList.Count == 0) return null;
             if (valueList.Count == 1)
             {
-                AddYData(valueList[0], dataName);
+                return AddYData(valueList[0], dataName);
             }
             else if (valueList.Count == 2)
             {
-                AddXYData(valueList[0], valueList[1], dataName);
+                return AddXYData(valueList[0], valueList[1], dataName);
             }
             else
             {
@@ -666,6 +670,7 @@ namespace XCharts
                     serieData.data.Add(valueList[i]);
                 }
                 m_Data.Add(serieData);
+                return serieData;
             }
         }
 
diff --git a/Scripts/UI/Component/Main/Series.cs b/Scripts/UI/Component/Main/Series.cs
index 2bef42b5..baaff888 100644
--- a/Scripts/UI/Component/Main/Series.cs
+++ b/Scripts/UI/Component/Main/Series.cs
@@ -266,16 +266,15 @@ namespace XCharts
         /// <param name="serieName"></param>
         /// <param name="value"></param>
         /// <param name="dataName"></param>
-        /// <returns></returns>
-        public bool AddData(string serieName, float value, string dataName = null)
+        /// <returns>添加成功返回SerieData，否则返回null</returns>
+        public SerieData AddData(string serieName, float value, string dataName = null)
         {
             var serie = GetSerie(serieName);
             if (serie != null)
             {
-                serie.AddYData(value, dataName);
-                return true;
+                return serie.AddYData(value, dataName);
             }
-            return false;
+            return null;
         }
 
         /// <summary>
@@ -284,16 +283,15 @@ namespace XCharts
         /// <param name="index"></param>
         /// <param name="value"></param>
         /// <param name="dataName"></param>
-        /// <returns></returns>
-        public bool AddData(int index, float value, string dataName = null)
+        /// <returns>添加成功返回SerieData，否则返回null</returns>
+        public SerieData AddData(int index, float value, string dataName = null)
         {
             var serie = GetSerie(index);
             if (serie != null)
             {
-                serie.AddYData(value, dataName);
-                return true;
+                return serie.AddYData(value, dataName);
             }
-            return false;
+            return null;
         }
 
         /// <summary>
@@ -302,16 +300,15 @@ namespace XCharts
         /// <param name="serieName"></param>
         /// <param name="multidimensionalData"></param>
         /// <param name="dataName"></param>
-        /// <returns></returns>
-        public bool AddData(string serieName, List<float> multidimensionalData, string dataName = null)
+        /// <returns>添加成功返回SerieData，否则返回null</returns>
+        public SerieData AddData(string serieName, List<float> multidimensionalData, string dataName = null)
         {
             var serie = GetSerie(serieName);
             if (serie != null)
             {
-                serie.AddData(multidimensionalData, dataName);
-                return true;
+                return serie.AddData(multidimensionalData, dataName);
             }
-            return false;
+            return null;
         }
 
         /// <summary>
@@ -320,16 +317,15 @@ namespace XCharts
         /// <param name="serieIndex"></param>
         /// <param name="multidimensionalData"></param>
         /// <param name="dataName"></param>
-        /// <returns></returns>
-        public bool AddData(int serieIndex, List<float> multidimensionalData, string dataName = null)
+        /// <returns>添加成功返回SerieData，否则返回null</returns>
+        public SerieData AddData(int serieIndex, List<float> multidimensionalData, string dataName = null)
         {
             var serie = GetSerie(serieIndex);
             if (serie != null)
             {
-                serie.AddData(multidimensionalData, dataName);
-                return true;
+                return serie.AddData(multidimensionalData, dataName);
             }
-            return false;
+            return null;
         }
 
         /// <summary>
@@ -339,16 +335,15 @@ namespace XCharts
         /// <param name="xValue"></param>
         /// <param name="yValue"></param>
         /// <param name="dataName"></param>
-        /// <returns></returns>
-        public bool AddXYData(string serieName, float xValue, float yValue, string dataName = null)
+        /// <returns>添加成功返回SerieData，否则返回null</returns>
+        public SerieData AddXYData(string serieName, float xValue, float yValue, string dataName = null)
         {
             var serie = GetSerie(serieName);
             if (serie != null)
             {
-                serie.AddXYData(xValue, yValue, dataName);
-                return true;
+                return serie.AddXYData(xValue, yValue, dataName);
             }
-            return false;
+            return null;
         }
 
         /// <summary>
@@ -358,16 +353,15 @@ namespace XCharts
         /// <param name="xValue"></param>
         /// <param name="yValue"></param>
         /// <param name="dataName"></param>
-        /// <returns></returns>
-        public bool AddXYData(int index, float xValue, float yValue, string dataName = null)
+        /// <returns>添加成功返回SerieData，否则返回null</returns>
+        public SerieData AddXYData(int index, float xValue, float yValue, string dataName = null)
         {
             var serie = GetSerie(index);
             if (serie != null)
             {
-                serie.AddXYData(xValue, yValue, dataName);
-                return true;
+                return serie.AddXYData(xValue, yValue, dataName);
             }
-            return false;
+            return null;
         }
 
         /// <summary>