diff --git a/Examples/Example_Test.cs b/Examples/Example_Test.cs
index f105bc79..e51b0ac9 100644
--- a/Examples/Example_Test.cs
+++ b/Examples/Example_Test.cs
@@ -51,15 +51,9 @@ namespace XCharts.Example
 
         void AddData()
         {
-            chart.ClearData();
-            int count = Random.Range(5, 100);
-            for (int i = 0; i < count; i++)
-            {
-                chart.AddXAxisData("x" + i);
-                if (Random.Range(1, 3) == 2)
-                    chart.AddData(0, Random.Range(-110, 200));
-                else
-                    chart.AddData(0, Random.Range(-100, 100));
+            var serie = chart.InsertSerie<Bar>(0);
+            for(int i=0;i<5;i++){
+                chart.AddData(serie.index, Random.Range(10,90));
             }
         }
     }
diff --git a/Runtime/Internal/BaseChart.Serie.cs b/Runtime/Internal/BaseChart.Serie.cs
index 9867b5db..48f753ce 100644
--- a/Runtime/Internal/BaseChart.Serie.cs
+++ b/Runtime/Internal/BaseChart.Serie.cs
@@ -19,7 +19,9 @@ namespace XCharts.Runtime
         public T InsertSerie<T>(int index, string serieName = null, bool show = true) where T : Serie
         {
             if (!CanAddSerie<T>()) return null;
-            return InsertSerie(index, typeof(T), serieName, show) as T;
+            var serie = InsertSerie(index, typeof(T), serieName, show) as T;
+            InitSerieHandlers();
+            return serie;
         }
 
         public void InsertSerie(Serie serie, int index = -1, bool addToHead = false)
@@ -30,9 +32,7 @@ namespace XCharts.Runtime
             else if (index >= 0) m_Series.Insert(index, serie);
             else m_Series.Add(serie);
             ResetSeriesIndex();
-            InitSerieHandlers();
             SeriesHelper.UpdateSerieNameList(this, ref m_LegendRealShowName);
-            RefreshChart();
         }
 
         public bool MoveUpSerie(int serieIndex)