diff --git a/Runtime/Component/Main/Series.cs b/Runtime/Component/Main/Series.cs
index 22b873c5..ca1eb5c8 100644
--- a/Runtime/Component/Main/Series.cs
+++ b/Runtime/Component/Main/Series.cs
@@ -214,6 +214,15 @@ namespace XCharts
             return false;
         }
 
+        public bool Contains(SerieType type)
+        {
+            foreach (var serie in m_Series)
+            {
+                if (serie.type == type) return true;
+            }
+            return false;
+        }
+
         /// <summary>
         /// Remove serie from series.
         /// 移除指定名字的系列。
@@ -327,7 +336,7 @@ namespace XCharts
             return null;
         }
 
-         public SerieData AddData(string serieName, float open, float close, float lowest, float heighest, string dataName = null)
+        public SerieData AddData(string serieName, float open, float close, float lowest, float heighest, string dataName = null)
         {
             var serie = GetSerie(serieName);
             if (serie != null)
diff --git a/Runtime/Component/Main/Tooltip.cs b/Runtime/Component/Main/Tooltip.cs
index 57ccca25..eae60e7d 100644
--- a/Runtime/Component/Main/Tooltip.cs
+++ b/Runtime/Component/Main/Tooltip.cs
@@ -481,9 +481,8 @@ namespace XCharts
         /// </summary>
         internal void UpdateLastDataIndex()
         {
-            lastDataIndex[0] = runtimeDataIndex[0];
-            if (runtimeDataIndex.Count > 1)
-                lastDataIndex[1] = runtimeDataIndex[1];
+            if (lastDataIndex.Count > 0 && runtimeDataIndex.Count > 0) lastDataIndex[0] = runtimeDataIndex[0];
+            if (lastDataIndex.Count > 0 && runtimeDataIndex.Count > 1) lastDataIndex[1] = runtimeDataIndex[1];
         }
 
         /// <summary>
diff --git a/Runtime/Internal/DrawSerieGauge.cs b/Runtime/Internal/DrawSerieGauge.cs
index e0d8a7fe..41e8945d 100644
--- a/Runtime/Internal/DrawSerieGauge.cs
+++ b/Runtime/Internal/DrawSerieGauge.cs
@@ -79,6 +79,7 @@ namespace XCharts
 
         public bool CheckTootipArea(Vector2 local)
         {
+            if (chart.series.Contains(SerieType.Gauge)) return false;
             var serie = GetPointerInSerieIndex(chart.series, local);
             if (serie != null)
             {
diff --git a/Runtime/Internal/DrawSeriePie.cs b/Runtime/Internal/DrawSeriePie.cs
index 6b8eb6ed..aa5f3f1a 100644
--- a/Runtime/Internal/DrawSeriePie.cs
+++ b/Runtime/Internal/DrawSeriePie.cs
@@ -75,6 +75,7 @@ namespace XCharts
 
         public bool CheckTootipArea(Vector2 local)
         {
+            if (chart.series.Contains(SerieType.Pie)) return false;
             bool selected = false;
             chart.tooltip.runtimeDataIndex.Clear();
             foreach (var serie in chart.series.list)
@@ -102,7 +103,7 @@ namespace XCharts
                 chart.tooltip.SetActive(false);
                 chart.RefreshChart();
             }
-            return true;
+            return selected;
         }
 
         public bool OnLegendButtonClick(int index, string legendName, bool show)
diff --git a/Runtime/Internal/DrawSerieRadar.cs b/Runtime/Internal/DrawSerieRadar.cs
index cb0bcc09..0a0525f0 100644
--- a/Runtime/Internal/DrawSerieRadar.cs
+++ b/Runtime/Internal/DrawSerieRadar.cs
@@ -119,6 +119,7 @@ namespace XCharts
 
         public bool CheckTootipArea(Vector2 local)
         {
+            if (chart.series.Contains(SerieType.Radar)) return false;
             if (m_IsEnterLegendButtom) return false;
             if (!IsInRadar(local)) return false;
             bool highlight = false;
diff --git a/Runtime/Internal/DrawSerieRing.cs b/Runtime/Internal/DrawSerieRing.cs
index e990a927..9b5b7d74 100644
--- a/Runtime/Internal/DrawSerieRing.cs
+++ b/Runtime/Internal/DrawSerieRing.cs
@@ -127,6 +127,7 @@ namespace XCharts
 
         public bool CheckTootipArea(Vector2 local)
         {
+            if (chart.series.Contains(SerieType.Ring)) return false;
             if (!PointerIsInRingSerie(chart.series, local)) return false;
             if (m_IsEnterLegendButtom) return false;
             bool selected = false;