diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff1b7aa6..f46e2b1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 
 # 更新日志
 
+* (2020.03.11) 优化清空并重新添加数据后的自动刷新问题
 * (2020.03.10) 增加`LineChart`的普通折线图可通过`ignore`参数设置忽略数据的支持
 * (2020.03.09) 增加`BarChart`可通过`ItemStyle`配置边框的支持
 * (2020.03.08) 增加`RingChart`环形图
diff --git a/Runtime/API/BaseChart_API.cs b/Runtime/API/BaseChart_API.cs
index 6633af7c..364ea749 100644
--- a/Runtime/API/BaseChart_API.cs
+++ b/Runtime/API/BaseChart_API.cs
@@ -92,7 +92,9 @@ namespace XCharts
         {
             m_Series.ClearData();
             m_Legend.ClearData();
+            m_Tooltip.ClearValue();
             m_CheckAnimation = false;
+            m_ReinitLabel = true;
             RefreshChart();
         }
 
@@ -105,7 +107,9 @@ namespace XCharts
         {
             m_Legend.ClearData();
             m_Series.RemoveAll();
+            m_Tooltip.ClearValue();
             m_CheckAnimation = false;
+            m_ReinitLabel = true;
             RefreshChart();
         }
 
diff --git a/Runtime/Component/Main/Axis.cs b/Runtime/Component/Main/Axis.cs
index e13db2b3..2ab1393f 100644
--- a/Runtime/Component/Main/Axis.cs
+++ b/Runtime/Component/Main/Axis.cs
@@ -830,6 +830,7 @@ namespace XCharts
             if (m_RuntimeMinValue == 0 && m_RuntimeMaxValue == 0) return 0;
             if (!m_RuntimeMinValueChanged) return m_RuntimeMinValue;
             var time = Time.time - m_RuntimeMinValueUpdateTime;
+            if (time == 0) return m_RuntimeMinValue;
             var total = duration / 1000;
             if (duration > 0 && time <= total)
             {
@@ -849,8 +850,9 @@ namespace XCharts
             if (m_RuntimeMinValue == 0 && m_RuntimeMaxValue == 0) return 0;
             if (!m_RuntimeMaxValueChanged) return m_RuntimeMaxValue;
             var time = Time.time - m_RuntimeMaxValueUpdateTime;
+            if (time == 0) return m_RuntimeMaxValue;
             var total = duration / 1000;
-            if (duration > 0 && time <= total)
+            if (duration > 0 && time < total)
             {
                 var curr = Mathf.Lerp(m_RuntimeLastMaxValue, m_RuntimeMaxValue, time / total);
                 return curr;
diff --git a/Runtime/Component/Main/Serie.cs b/Runtime/Component/Main/Serie.cs
index 7846c0cc..3356bcec 100644
--- a/Runtime/Component/Main/Serie.cs
+++ b/Runtime/Component/Main/Serie.cs
@@ -1561,6 +1561,15 @@ namespace XCharts
             return m_Ignore && Mathf.Approximately(value, m_IgnoreValue);
         }
 
+        public bool IsIngorePoint(int index)
+        {
+            if (index >= 0 && index < dataPoints.Count)
+            {
+                return ChartHelper.IsIngore(dataPoints[index]);
+            }
+            return false;
+        }
+
         /// <summary>
         /// 更新运行时中心点和半径
         /// </summary>
diff --git a/Runtime/Component/Main/Series.cs b/Runtime/Component/Main/Series.cs
index 1cb96dbb..c3ba17bf 100644
--- a/Runtime/Component/Main/Series.cs
+++ b/Runtime/Component/Main/Series.cs
@@ -125,7 +125,7 @@ namespace XCharts
         /// </summary>
         public void ClearData()
         {
-            AnimationPause();
+            AnimationFadeIn();
             foreach (var serie in m_Series)
             {
                 serie.ClearData();
@@ -326,7 +326,7 @@ namespace XCharts
         /// </summary>
         public void RemoveAll()
         {
-            AnimationPause();
+            AnimationFadeIn();
             m_Series.Clear();
         }
 
diff --git a/Runtime/Internal/CoordinateChart.cs b/Runtime/Internal/CoordinateChart.cs
index aab7525d..5cbb5f57 100644
--- a/Runtime/Internal/CoordinateChart.cs
+++ b/Runtime/Internal/CoordinateChart.cs
@@ -421,7 +421,7 @@ namespace XCharts
                         string key = serie.name;
                         float xValue, yValue;
                         serie.GetXYData(index, m_DataZoom, out xValue, out yValue);
-                        var isIngore = ChartHelper.IsIngore(serie.dataPoints[index]);
+                        var isIngore = serie.IsIngorePoint(index);
                         if (isCartesian)
                         {
                             var serieData = serie.GetSerieData(index, m_DataZoom);
@@ -1521,7 +1521,7 @@ namespace XCharts
                         {
                             content = serie.label.GetFormatterContent(serie.name, serieData.name, value, total);
                         }
-                        serieData.SetLabelActive(value != 0);
+                        serieData.SetLabelActive(value != 0 && serieData.labelPosition != Vector3.zero);
                         serieData.SetLabelPosition(serie.label.offset);
                         if (serieData.SetLabelText(content)) RefreshChart();
                     }
diff --git a/Runtime/Internal/SerieLabelPool.cs b/Runtime/Internal/SerieLabelPool.cs
index 155a4702..1ae07f00 100644
--- a/Runtime/Internal/SerieLabelPool.cs
+++ b/Runtime/Internal/SerieLabelPool.cs
@@ -14,6 +14,7 @@ namespace XCharts
     internal static class SerieLabelPool
     {
         private static readonly Stack<GameObject> m_Stack = new Stack<GameObject>(200);
+        private static Dictionary<int, bool> m_ReleaseDic = new Dictionary<int, bool>(1000);
 
         public static GameObject Get(string name, Transform parent, SerieLabel label, Font font, Color color,
             float iconWidth, float iconHeight)
@@ -29,6 +30,7 @@ namespace XCharts
             else
             {
                 element = m_Stack.Pop();
+                m_ReleaseDic.Remove(element.GetInstanceID());
                 element.name = name;
                 element.transform.SetParent(parent);
                 element.transform.localEulerAngles = new Vector3(0, 0, label.rotate);
@@ -45,10 +47,12 @@ namespace XCharts
         public static void Release(GameObject element)
         {
             ChartHelper.SetActive(element, false);
-            //if (m_Stack.Count > 0 && ReferenceEquals(m_Stack.Peek(), element))
-            //    Debug.LogError("Internal error. Trying to destroy object that is already released to pool." + element.name);
-            if (Application.isPlaying)
+            if (!Application.isPlaying) return;
+            if (!m_ReleaseDic.ContainsKey(element.GetInstanceID()))
+            {
                 m_Stack.Push(element);
+                m_ReleaseDic.Add(element.GetInstanceID(), true);
+            }
         }
 
         public static void ReleaseAll(Transform parent)
@@ -63,6 +67,7 @@ namespace XCharts
         public static void ClearAll()
         {
             m_Stack.Clear();
+            m_ReleaseDic.Clear();
         }
     }
 }