diff --git a/Scripts/UI/Component/Main/Serie.cs b/Scripts/UI/Component/Main/Serie.cs
index 7856e0d4..9c8a3d7b 100644
--- a/Scripts/UI/Component/Main/Serie.cs
+++ b/Scripts/UI/Component/Main/Serie.cs
@@ -609,6 +609,7 @@ namespace XCharts
             }
             int xValue = m_Data.Count;
             var serieData = new SerieData() { data = new List<float>() { xValue, value }, name = dataName };
+            serieData.index = xValue;
             m_Data.Add(serieData);
             return serieData;
         }
@@ -631,6 +632,7 @@ namespace XCharts
                 }
             }
             var serieData = new SerieData() { data = new List<float>() { xValue, yValue }, name = dataName };
+            serieData.index = m_Data.Count;
             m_Data.Add(serieData);
             return serieData;
         }
@@ -665,6 +667,7 @@ namespace XCharts
                 }
                 var serieData = new SerieData();
                 serieData.name = dataName;
+                serieData.index = m_Data.Count;
                 for (int i = 0; i < valueList.Count; i++)
                 {
                     serieData.data.Add(valueList[i]);
diff --git a/Scripts/UI/Component/Main/Series.cs b/Scripts/UI/Component/Main/Series.cs
index baaff888..497d3c77 100644
--- a/Scripts/UI/Component/Main/Series.cs
+++ b/Scripts/UI/Component/Main/Series.cs
@@ -872,7 +872,7 @@ namespace XCharts
             int numName = -1;
             if (int.TryParse(name, out numName))
             {
-                if (numName >= 0 && numName < list.Count) return false;
+                if (numName >= 0 && numName < 100) return false;
             }
             return true;
         }
diff --git a/Scripts/UI/PieChart.cs b/Scripts/UI/PieChart.cs
index 6e5b21d7..a19ee0b2 100644
--- a/Scripts/UI/PieChart.cs
+++ b/Scripts/UI/PieChart.cs
@@ -80,8 +80,9 @@ namespace XCharts
                 for (int n = 0; n < data.Count; n++)
                 {
                     var serieData = data[n];
+                    serieData.index = n;
                     float value = serieData.data[1];
-                    serieNameCount = m_LegendRealShowName.IndexOf(serieData.name);
+                    serieNameCount = m_LegendRealShowName.IndexOf(serieData.legendName);
                     Color color = m_ThemeInfo.GetColor(serieNameCount);
                     serieData.pieStartAngle = startDegree;
                     serieData.pieToAngle = startDegree;