diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6c7891f..b1973531 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 
 # 更新日志
 
+* (2020.02.23) 增加`BaseChart.AnimationFadeOut()`渐入动画，重构动画系统
 * (2020.02.13) 增加`BaseChart.RefreshTooltip()`接口立即重新初始化`Tooltip`组件
 * (2020.02.13) 增加`Tooltip`的`textStyle`参数配置内容文本样式，去掉`fontSize`和`fontStyle`参数
 * (2020.02.13) 增加`TextStyle`的`lineSpacing`参数配置行间距
@@ -32,7 +33,7 @@
 * (2019.12.06) 修复数据过小时`AxisLabel`直接科学计数法显示的问题
 * (2019.12.04) 优化和完善数据更新`UpdateData`接口
 * (2019.12.03) 增加圆环饼图的圆角支持，参数：`serie.arcShaped`
-* (2019.12.03) 增加数据更新动画,参数：`serie.animation.updateAnimation`
+* (2019.12.03) 增加数据更新动画,参数：`serie.animation.dataChangeEnable`
 * (2019.11.30) 增加`GaugeChart`仪表盘
 * (2019.11.22) 修复`BarChart`清空数据重新赋值后`SerieLabel`显示异常的问题
 * (2019.11.16) 修复`SerieLabel`设置`color`等参数不生效的问题
diff --git a/Demo/Runtime/Demo01_UpdateData.cs b/Demo/Runtime/Demo01_UpdateData.cs
index b90b50d7..63bf137a 100644
--- a/Demo/Runtime/Demo01_UpdateData.cs
+++ b/Demo/Runtime/Demo01_UpdateData.cs
@@ -27,7 +27,7 @@ namespace XCharts
             {
                 updateTime = 0;
                 var serie = chart.series.GetSerie(0);
-                //serie.animation.updateAnimation = true;
+                //serie.animation.dataChangeEnable = true;
                 var dataCount = serie.dataCount;
                 if (chart is RadarChart)
                 {
diff --git a/Demo/Runtime/Demo70_Gauge.cs b/Demo/Runtime/Demo70_Gauge.cs
index d97a90f9..193af8b9 100644
--- a/Demo/Runtime/Demo70_Gauge.cs
+++ b/Demo/Runtime/Demo70_Gauge.cs
@@ -37,7 +37,7 @@ namespace XCharts
             serie.center[1] = 0.5f;
             serie.radius[0] = 80;
             serie.splitNumber = 5;
-            serie.animation.updateAnimation = true;
+            serie.animation.dataChangeEnable = true;
             serie.arcShaped = true;
 
             serie.titleStyle.show = true;
diff --git a/Demo/Runtime/Demo_Test.cs b/Demo/Runtime/Demo_Test.cs
index 40909f0c..a7c32bcc 100644
--- a/Demo/Runtime/Demo_Test.cs
+++ b/Demo/Runtime/Demo_Test.cs
@@ -28,7 +28,7 @@ namespace XCharts
             {
                 updateTime = 0;
                 var serie = chart.series.GetSerie(0);
-                serie.animation.updateAnimation = true;
+                serie.animation.dataChangeEnable = true;
                 var dataCount = serie.dataCount;
                 if (chart is HeatmapChart)
                 {
diff --git a/Documentation/XChartsAPI.md b/Documentation/XChartsAPI.md
index c8361dc0..09070165 100644
--- a/Documentation/XChartsAPI.md
+++ b/Documentation/XChartsAPI.md
@@ -42,10 +42,12 @@
 * `BaseChart.RefreshLabel()`：在下一帧刷新文本标签。
 * `BaseChart.RefreshTooltip()`：立即刷新`Tooltip`组件。
 * `BaseChart.UpdateTheme(Theme theme)`：切换图表主题。
-* `BaseChart.AnimationEnable(bool flag)`：启用或关闭起始动画。
-* `BaseChart.AnimationStart()`：开始初始动画。
-* `BaseChart.AnimationStop()`：停止初始化动画。
-* `BaseChart.AnimationReset()`：重置初始动画，重新播放。
+* `BaseChart.AnimationEnable(bool flag)`：启用或关闭动画。
+* `BaseChart.AnimationFadeIn()`：渐入动画。
+* `BaseChart.AnimationFadeOut()`：渐出动画。
+* `BaseChart.AnimationPause()`：暂停动画。
+* `BaseChart.AnimationResume()`：继续动画。
+* `BaseChart.AnimationReset()`：重置动画。
 * `BaseChart.ClickLegendButton(int legendIndex, string legendName, bool show)`：点击图例按钮。
 
 ## `CoordinateChart`
diff --git a/Documentation/XCharts配置项手册.md b/Documentation/XCharts配置项手册.md
index 427b6177..752ec99c 100644
--- a/Documentation/XCharts配置项手册.md
+++ b/Documentation/XCharts配置项手册.md
@@ -608,14 +608,13 @@
 
 ## `SerieAnimation`
 
-* `enable`：是否开起始画效果。
-* `easing`：动画的缓动效果。支持以下动画效果：
-  * `Linear`：线性效果。
-* `duration`：设定的动画时长，单位毫秒。
-* `updateAnimation`：是否开启数据变更动画。
-* `updateDuration`：数据变更动画时长，单位毫秒。
-* `threshold`：是否开启动画的阈值，当单个系列显示的图形数量大于这个阈值时会关闭动画。
-* `delay`：动画延时，单位毫秒。
+* `enable`：是否开启动画系统。
+* ~~`threshold`：是否开启动画的阈值，当单个系列显示的图形数量大于这个阈值时会关闭动画。~~
+* `fadeInDelay`：设定的渐入动画延时，单位毫秒。
+* `fadeInDuration`：设定的渐入动画时长，单位毫秒。
+* `fadeOutDuration`：设定的渐出动画时长，单位毫秒。
+* `dataChangeEnable`：是否开启数据变更动画。
+* `dataChangeDuration`：数据变更动画时长，单位毫秒。
 
 ## `AreaStyle`
 
diff --git a/Editor/PropertyDrawers/AnimationDrawer.cs b/Editor/PropertyDrawers/AnimationDrawer.cs
index 14b3d1c3..d7f66ef3 100644
--- a/Editor/PropertyDrawers/AnimationDrawer.cs
+++ b/Editor/PropertyDrawers/AnimationDrawer.cs
@@ -22,11 +22,12 @@ namespace XCharts
             drawRect.height = EditorGUIUtility.singleLineHeight;
 
             SerializedProperty m_Enable = prop.FindPropertyRelative("m_Enable");
-            SerializedProperty m_Easting = prop.FindPropertyRelative("m_Easting");
-            SerializedProperty m_Duration = prop.FindPropertyRelative("m_Duration");
-            SerializedProperty m_UpdateAnimation = prop.FindPropertyRelative("m_UpdateAnimation");
-            SerializedProperty m_UpdateDuration = prop.FindPropertyRelative("m_UpdateDuration");
-            SerializedProperty m_Delay = prop.FindPropertyRelative("m_Delay");
+            //SerializedProperty m_Easting = prop.FindPropertyRelative("m_Easting");
+            SerializedProperty m_FadeInDuration = prop.FindPropertyRelative("m_FadeInDuration");
+            SerializedProperty m_FadeOutDuration = prop.FindPropertyRelative("m_FadeOutDuration");
+            SerializedProperty m_DataChangeEnable = prop.FindPropertyRelative("m_DataChangeEnable");
+            SerializedProperty m_DataChangeDuration = prop.FindPropertyRelative("m_DataChangeDuration");
+            SerializedProperty m_FadeInDelay = prop.FindPropertyRelative("m_FadeInDelay");
             SerializedProperty m_Threshold = prop.FindPropertyRelative("m_Threshold");
             SerializedProperty m_ActualDuration = prop.FindPropertyRelative("m_ActualDuration");
             // SerializedProperty m_CurrDetailProgress = prop.FindPropertyRelative("m_CurrDetailProgress");
@@ -37,23 +38,26 @@ namespace XCharts
             if (ChartEditorHelper.IsToggle(m_AnimationModuleToggle, prop))
             {
                 ++EditorGUI.indentLevel;
-                EditorGUI.PropertyField(drawRect, m_Easting);
-                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
+                //EditorGUI.PropertyField(drawRect, m_Easting);
+                //drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 EditorGUI.PropertyField(drawRect, m_Threshold);
                 if (m_Threshold.intValue < 0) m_Threshold.intValue = 0;
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-                EditorGUI.PropertyField(drawRect, m_Delay);
-                if (m_Delay.floatValue < 0) m_Delay.floatValue = 0;
+                EditorGUI.PropertyField(drawRect, m_FadeInDelay);
+                if (m_FadeInDelay.floatValue < 0) m_FadeInDelay.floatValue = 0;
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-                EditorGUI.PropertyField(drawRect, m_Duration);
-                if (m_Duration.floatValue < 0) m_Duration.floatValue = 0;
+                EditorGUI.PropertyField(drawRect, m_FadeInDuration);
+                if (m_FadeInDuration.floatValue < 0) m_FadeInDuration.floatValue = 0;
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-                EditorGUI.PropertyField(drawRect, m_UpdateAnimation);
+                EditorGUI.PropertyField(drawRect, m_FadeOutDuration);
+                if (m_FadeOutDuration.floatValue < 0) m_FadeOutDuration.floatValue = 0;
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-                EditorGUI.PropertyField(drawRect, m_UpdateDuration);
-                if (m_UpdateDuration.floatValue < 0) m_UpdateDuration.floatValue = 0;
+                EditorGUI.PropertyField(drawRect, m_DataChangeEnable);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-                
+                EditorGUI.PropertyField(drawRect, m_DataChangeDuration);
+                if (m_DataChangeDuration.floatValue < 0) m_DataChangeDuration.floatValue = 0;
+                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
+
                 // EditorGUI.LabelField(drawRect, "CurrDetailProgress:" + m_CurrDetailProgress.floatValue);
                 // drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 // EditorGUI.LabelField(drawRect, "DestDetailProgress:" + m_DestDetailProgress.floatValue);
diff --git a/Runtime/API/BaseChart_API.cs b/Runtime/API/BaseChart_API.cs
index 9c78b82c..6d3bc2fd 100644
--- a/Runtime/API/BaseChart_API.cs
+++ b/Runtime/API/BaseChart_API.cs
@@ -523,32 +523,62 @@ namespace XCharts
             m_Series.AnimationEnable(flag);
         }
 
-        /// <summary>
-        /// Start play animation.
-        /// 开始初始动画。
-        /// </summary>
+        [Obsolete("Use BaseChart.AnimationFadeIn() instead.", true)]
         public void AnimationStart()
         {
-            m_Series.AnimationStart();
+        }
+
+        [Obsolete("Use BaseChart.AnimationFadeOut() instead.", true)]
+        public void MissAnimationStart()
+        {
+        }
+
+        /// <summary>
+        /// fadeIn animation.
+        /// 开始渐入动画。
+        /// </summary>
+        public void AnimationFadeIn()
+        {
+            m_Series.AnimationFadeIn();
+            RefreshChart();
+        }
+
+        /// <summary>
+        /// fadeIn animation.
+        /// 开始渐出动画。
+        /// </summary>
+        public void AnimationFadeOut()
+        {
+            m_Series.AnimationFadeOut();
+            RefreshChart();
+        }
+
+        /// <summary>
+        /// Pause animation.
+        /// 暂停动画。
+        /// </summary>
+        public void AnimationPause()
+        {
+            m_Series.AnimationPause();
+            RefreshChart();
         }
 
         /// <summary>
         /// Stop play animation.
-        /// 停止初始化动画。
+        /// 继续动画。
         /// </summary>
-        public void AnimationStop()
+        public void AnimationResume()
         {
-            m_CheckAnimation = false;
-            m_Series.AnimationStop();
+            m_Series.AnimationResume();
+            RefreshChart();
         }
 
         /// <summary>
-        /// Reset animation to play.
-        /// 重置初始动画，重新播放。
+        /// Reset animation.
+        /// 重置动画。
         /// </summary>
         public void AnimationReset()
         {
-            m_CheckAnimation = false;
             m_Series.AnimationReset();
             RefreshChart();
         }
diff --git a/Runtime/Component/Main/Axis.cs b/Runtime/Component/Main/Axis.cs
index 1da0f692..fa02cff1 100644
--- a/Runtime/Component/Main/Axis.cs
+++ b/Runtime/Component/Main/Axis.cs
@@ -191,20 +191,10 @@ namespace XCharts
             get { return m_RuntimeMinValue; }
             internal set
             {
-                if (value != m_RuntimeMinValue)
-                {
-                    if (m_RuntimeMinValueFirstChanged)
-                    {
-                        m_RuntimeMinValueFirstChanged = false;
-                    }
-                    else
-                    {
-                        m_RuntimeLastMinValue = m_RuntimeMinValue;
-                        m_RuntimeMinValueChanged = true;
-                        m_RuntimeMinValueUpdateTime = Time.time;
-                    }
-                    m_RuntimeMinValue = value;
-                }
+                m_RuntimeMinValue = value;
+                m_RuntimeLastMinValue = value;
+                m_RuntimeMinValueUpdateTime = Time.time;
+                m_RuntimeMinValueChanged = true;
             }
         }
         /// <summary>
@@ -216,20 +206,10 @@ namespace XCharts
             get { return m_RuntimeMaxValue; }
             internal set
             {
-                if (value != m_RuntimeMaxValue)
-                {
-                    if (m_RuntimeMaxValueFirstChanged)
-                    {
-                        m_RuntimeMaxValueFirstChanged = false;
-                    }
-                    else
-                    {
-                        m_RuntimeLastMaxValue = m_RuntimeMaxValue;
-                        m_RuntimeMaxValueChanged = true;
-                        m_RuntimeMaxValueUpdateTime = Time.time;
-                    }
-                    m_RuntimeMaxValue = value;
-                }
+                m_RuntimeMaxValue = value;
+                m_RuntimeLastMaxValue = value;
+                m_RuntimeMaxValueUpdateTime = Time.time;
+                m_RuntimeMaxValueChanged = false;
             }
         }
         /// <summary>
@@ -708,6 +688,62 @@ namespace XCharts
             m_ValueRange = maxValue - minValue;
         }
 
+        internal void UpdateMinValue(float value, bool check)
+        {
+            if (value != m_RuntimeMaxValue)
+            {
+                if (check)
+                {
+                    if (m_RuntimeMinValueFirstChanged)
+                    {
+                        m_RuntimeMinValueFirstChanged = false;
+                    }
+                    else
+                    {
+                        m_RuntimeLastMinValue = m_RuntimeMinValue;
+                        m_RuntimeMinValueChanged = true;
+                        m_RuntimeMinValueUpdateTime = Time.time;
+                    }
+                    m_RuntimeMinValue = value;
+                }
+                else
+                {
+                    m_RuntimeMinValue = value;
+                    m_RuntimeLastMinValue = value;
+                    m_RuntimeMinValueUpdateTime = Time.time;
+                    m_RuntimeMinValueChanged = true;
+                }
+            }
+        }
+
+        internal void UpdateMaxValue(float value, bool check)
+        {
+            if (value != m_RuntimeMaxValue)
+            {
+                if (check)
+                {
+                    if (m_RuntimeMaxValueFirstChanged)
+                    {
+                        m_RuntimeMaxValueFirstChanged = false;
+                    }
+                    else
+                    {
+                        m_RuntimeLastMaxValue = m_RuntimeMaxValue;
+                        m_RuntimeMaxValueChanged = true;
+                        m_RuntimeMaxValueUpdateTime = Time.time;
+                    }
+                    m_RuntimeMaxValue = value;
+                }
+                else
+                {
+                    m_RuntimeMaxValue = value;
+                    m_RuntimeLastMaxValue = value;
+                    m_RuntimeMaxValueUpdateTime = Time.time;
+                    m_RuntimeMaxValueChanged = false;
+                }
+            }
+        }
+
         internal float GetCurrMinValue(float duration)
         {
             if (m_RuntimeMinValue == 0 && m_RuntimeMaxValue == 0) return 0;
diff --git a/Runtime/Component/Main/Series.cs b/Runtime/Component/Main/Series.cs
index 5d55b39a..22a06d32 100644
--- a/Runtime/Component/Main/Series.cs
+++ b/Runtime/Component/Main/Series.cs
@@ -56,7 +56,7 @@ namespace XCharts
         /// </summary>
         public void ClearData()
         {
-            AnimationStop();
+            AnimationPause();
             foreach (var serie in m_Series)
             {
                 serie.ClearData();
@@ -196,7 +196,7 @@ namespace XCharts
         {
             foreach (var serie in m_Series)
             {
-                if (serie.animation.enable && serie.animation.updateAnimation)
+                if (serie.animation.enable && serie.animation.dataChangeEnable)
                 {
                     return true;
                 }
@@ -257,7 +257,7 @@ namespace XCharts
         /// </summary>
         public void RemoveAll()
         {
-            AnimationStop();
+            AnimationPause();
             m_Series.Clear();
         }
 
@@ -292,7 +292,7 @@ namespace XCharts
             {
                 serie.symbol.type = SerieSymbolType.None;
             }
-            serie.animation.Reset();
+            serie.animation.Restart();
             m_Series.Add(serie);
             return serie;
         }
@@ -1006,32 +1006,54 @@ namespace XCharts
         }
 
         /// <summary>
-        /// 开始初始动画
+        /// 渐入动画
         /// </summary>
-        public void AnimationStart()
+        public void AnimationFadeIn()
         {
             foreach (var serie in m_Series)
             {
                 if (serie.animation.enable)
                 {
-                    serie.animation.Start();
+                    serie.animation.FadeIn();
                 }
             }
         }
 
         /// <summary>
-        /// 停止初始动画
+        /// 渐出动画
         /// </summary>
-        public void AnimationStop()
+        public void AnimationFadeOut()
         {
             foreach (var serie in m_Series)
             {
-                if (serie.animation.enable) serie.animation.Stop();
+                if (serie.animation.enable) serie.animation.FadeOut();
             }
         }
 
         /// <summary>
-        /// 重置初始动画
+        /// 暂停动画
+        /// </summary>
+        public void AnimationPause()
+        {
+            foreach (var serie in m_Series)
+            {
+                if (serie.animation.enable) serie.animation.Pause();
+            }
+        }
+
+        /// <summary>
+        /// 继续动画
+        /// </summary>
+        public void AnimationResume()
+        {
+            foreach (var serie in m_Series)
+            {
+                if (serie.animation.enable) serie.animation.Resume();
+            }
+        }
+
+        /// <summary>
+        /// 重置动画
         /// </summary>
         public void AnimationReset()
         {
diff --git a/Runtime/Component/Sub/SerieAnimation.cs b/Runtime/Component/Sub/SerieAnimation.cs
index 4a6b95a4..c548e1f9 100644
--- a/Runtime/Component/Sub/SerieAnimation.cs
+++ b/Runtime/Component/Sub/SerieAnimation.cs
@@ -1,4 +1,5 @@
-/******************************************/
+using System.Threading;
+/******************************************/
 /*                                        */
 /*     Copyright (c) 2018 monitor1394     */
 /*     https://github.com/monitor1394     */
@@ -23,11 +24,12 @@ namespace XCharts
         }
         [SerializeField] private bool m_Enable = true;
         [SerializeField] private Easing m_Easting;
-        [SerializeField] private float m_Duration = 1000;
         [SerializeField] private int m_Threshold = 2000;
-        [SerializeField] private float m_Delay = 0;
-        [SerializeField] private bool m_UpdateAnimation = true;
-        [SerializeField] private float m_UpdateDuration = 500;
+        [SerializeField] private float m_FadeInDuration = 1000;
+        [SerializeField] private float m_FadeInDelay = 0;
+        [SerializeField] private float m_FadeOutDuration = 1000f;
+        [SerializeField] private bool m_DataChangeEnable = true;
+        [SerializeField] private float m_DataChangeDuration = 500;
         [SerializeField] private float m_ActualDuration;
 
         /// <summary>
@@ -39,12 +41,17 @@ namespace XCharts
         /// Easing method used for the first animation. 
         /// 动画的缓动效果。
         /// </summary>
-        public Easing easing { get { return m_Easting; } set { m_Easting = value; } }
+        //public Easing easing { get { return m_Easting; } set { m_Easting = value; } }
         /// <summary>
-        /// The milliseconds duration of the first animation.
-        /// 设定的动画时长（毫秒）。
+        /// The milliseconds duration of the fadeIn animation.
+        /// 设定的渐入动画时长（毫秒）。
         /// </summary>
-        public float duration { get { return m_Duration; } set { m_Duration = value < 0 ? 0 : value; } }
+        public float fadeInDuration { get { return m_FadeInDuration; } set { m_FadeInDuration = value < 0 ? 0 : value; } }
+        /// <summary>
+        /// The milliseconds duration of the fadeOut animation.
+        /// 设定的渐出动画时长（毫秒）。
+        /// </summary>
+        public float fadeOutDuration { get { return m_FadeOutDuration; } set { m_FadeOutDuration = value < 0 ? 0 : value; } }
         /// <summary>
         /// The milliseconds actual duration of the first animation.
         /// 实际的动画时长（毫秒）。
@@ -59,21 +66,24 @@ namespace XCharts
         /// The milliseconds delay before updating the first animation.
         /// 动画延时（毫秒）。
         /// </summary>
-        public float delay { get { return m_Delay; } set { m_Delay = value < 0 ? 0 : value; } }
+        public float delay { get { return m_FadeInDelay; } set { m_FadeInDelay = value < 0 ? 0 : value; } }
         /// <summary>
         /// 是否开启数据变更动画。
         /// </summary>
-        public bool updateAnimation { get { return m_UpdateAnimation; } set { m_UpdateAnimation = value; } }
+        public bool dataChangeEnable { get { return m_DataChangeEnable; } set { m_DataChangeEnable = value; } }
         /// <summary>
-        /// The milliseconds duration of the first animation.
+        /// The milliseconds duration of the data change animation.
         /// 数据变更的动画时长（毫秒）。
         /// </summary>
-        public float updateDuration { get { return m_UpdateDuration; } set { m_UpdateDuration = value < 0 ? 0 : value; } }
+        public float dataChangeDuration { get { return m_DataChangeDuration; } set { m_DataChangeDuration = value < 0 ? 0 : value; } }
 
         private Dictionary<int, float> m_DataAnimationState = new Dictionary<int, float>();
-        private bool m_IsStart = false;
+        private bool m_FadeIn = false;
         private bool m_IsEnd = true;
-        private bool m_Inited = false;
+        private bool m_IsPause = false;
+        private bool m_FadeOut = false;
+        private bool m_FadeOuted = false;
+        private bool m_IsInit = false;
 
         private float startTime { get; set; }
         private int m_CurrDataProgress { get; set; }
@@ -82,13 +92,21 @@ namespace XCharts
         [SerializeField] private float m_DestDetailProgress;
         private float m_CurrSymbolProgress;
 
-        public void Start()
+        public void FadeIn()
         {
-            if (m_IsStart) return;
+            if (m_FadeOut) return;
+            if (m_IsPause)
+            {
+                m_IsPause = false;
+                return;
+            }
+            if (m_FadeIn) return;
             startTime = Time.time;
-            m_IsStart = true;
+            m_FadeIn = true;
             m_IsEnd = false;
-            m_Inited = false;
+            m_IsInit = false;
+            m_IsPause = false;
+            m_FadeOuted = false;
             m_CurrDataProgress = 1;
             m_DestDataProgress = 1;
             m_CurrDetailProgress = 0;
@@ -97,34 +115,89 @@ namespace XCharts
             m_DataAnimationState.Clear();
         }
 
-        public void Stop()
+        public void Restart()
         {
-            m_IsStart = false;
-            m_IsEnd = true;
-            m_Inited = false;
+            Reset();
+            FadeIn();
+        }
+
+        public void FadeOut()
+        {
+            if (m_IsPause)
+            {
+                m_IsPause = false;
+                return;
+            }
+            m_FadeOut = true;
+            startTime = Time.time;
+            m_FadeIn = true;
+            m_IsEnd = false;
+            m_IsInit = false;
+            m_IsPause = false;
+            m_CurrDataProgress = 0;
+            m_DestDataProgress = 0;
+            m_CurrDetailProgress = 0;
+            m_DestDetailProgress = 1;
+            m_CurrSymbolProgress = 0;
             m_DataAnimationState.Clear();
         }
 
-        public void End()
+        public void Pause()
+        {
+            if (!m_IsPause)
+            {
+                m_IsPause = true;
+            }
+        }
+
+        public void Resume()
+        {
+            if (m_IsPause)
+            {
+                m_IsPause = false;
+            }
+        }
+
+        private void End()
         {
             if (m_IsEnd) return;
             m_ActualDuration = (int)((Time.time - startTime) * 1000) - delay;
-            m_CurrDataProgress = m_DestDataProgress + 1;
+            m_CurrDataProgress = m_DestDataProgress + (m_FadeOut ? -1 : 1);
+            m_FadeIn = false;
             m_IsEnd = true;
+            m_IsInit = false;
+            if (m_FadeOut)
+            {
+                m_FadeOut = false;
+                m_FadeOuted = true;
+            }
         }
 
         public void Reset()
         {
-            Stop();
-            Start();
+            m_FadeIn = false;
+            m_IsEnd = true;
+            m_IsInit = false;
+            m_IsPause = false;
+            m_FadeOut = false;
+            m_FadeOuted = false;
+            m_DataAnimationState.Clear();
         }
 
         public void InitProgress(int data, float curr, float dest)
         {
-            if (!m_Inited && !m_IsEnd)
+            if (m_IsInit || m_IsEnd) return;
+            if (curr > dest) return;
+            m_IsInit = true;
+            m_DestDataProgress = data;
+
+            if (m_FadeOut)
+            {
+                m_CurrDetailProgress = dest;
+                m_DestDetailProgress = curr;
+            }
+            else
             {
-                m_Inited = true;
-                m_DestDataProgress = data;
                 m_CurrDetailProgress = curr;
                 m_DestDetailProgress = dest;
             }
@@ -132,23 +205,21 @@ namespace XCharts
 
         public void SetDataFinish(int dataIndex)
         {
-            if (!m_IsEnd)
-            {
-                m_CurrDataProgress = dataIndex + 1;
-            }
+            if (m_IsEnd) return;
+            m_CurrDataProgress = dataIndex + (m_FadeOut ? -1 : 1);
         }
 
-        public void SetDataState(int index, float state)
+        private void SetDataState(int index, float state)
         {
             m_DataAnimationState[index] = state;
         }
 
-        public float GetDataState(int index)
+        private float GetDataState(int index, float dest)
         {
-            if (IsInDelay()) return 0;
+            if (IsInDelay()) return dest;
             if (!m_DataAnimationState.ContainsKey(index))
             {
-                m_DataAnimationState.Add(index, 0);
+                m_DataAnimationState.Add(index, dest);
             }
             return m_DataAnimationState[index];
         }
@@ -182,29 +253,95 @@ namespace XCharts
         {
             if (!m_Enable || m_IsEnd) return true;
             if (IsInDelay()) return false;
-            return dataIndex <= m_CurrDataProgress;
+            if (m_FadeOut) return dataIndex > 0;
+            else return dataIndex <= m_CurrDataProgress;
         }
 
-        internal void CheckProgress(float delta)
+        internal void CheckProgress(float total)
         {
-            if (!enable) return;
+            if (IsFinish()) return;
+            if (!m_IsInit || m_IsPause || m_IsEnd) return;
             if (IsInDelay()) return;
-            if (m_IsEnd) return;
-            if (m_CurrDetailProgress > m_DestDetailProgress)
+            m_ActualDuration = (int)((Time.time - startTime) * 1000) - delay;
+            var duration = GetCurrAnimationDuration();
+            var delta = total / duration * Time.deltaTime;
+            if (m_FadeOut)
             {
-                End();
+                m_CurrDetailProgress -= delta;
+                if (m_CurrDetailProgress <= m_DestDetailProgress)
+                {
+                    m_CurrDetailProgress = m_DestDetailProgress;
+                    End();
+                }
             }
             else
             {
-                m_ActualDuration = (int)((Time.time - startTime) * 1000) - delay;
                 m_CurrDetailProgress += delta;
+                if (m_CurrDetailProgress >= m_DestDetailProgress)
+                {
+                    m_CurrDetailProgress = m_DestDetailProgress;
+                    End();
+                }
             }
         }
 
-        internal void CheckSymbol(float delta, float dest)
+        internal float GetCurrAnimationDuration()
         {
-            m_CurrSymbolProgress += delta;
-            if (m_CurrSymbolProgress > dest) m_CurrSymbolProgress = dest;
+            if (m_FadeOut) return m_FadeOutDuration > 0 ? m_FadeOutDuration / 1000 : 1;
+            else return m_FadeInDuration > 0 ? m_FadeInDuration / 1000 : 1;
+        }
+
+        internal float CheckBarProgress(int dataIndex, float barHig)
+        {
+            //if (!m_IsInit) return barHig;
+            var destHig = m_FadeOut ? barHig : 0;
+            if (IsInDelay() || IsFinish() || m_IsEnd)
+            {
+                return m_FadeOuted ? 0 : barHig;
+            }
+            else if (m_IsPause)
+            {
+                return GetDataState(dataIndex, destHig);
+            }
+            else
+            {
+                var duration = GetCurrAnimationDuration();
+                var delta = barHig / duration * Time.deltaTime;
+                var currHig = GetDataState(dataIndex, destHig) + (m_FadeOut ? -delta : delta);
+                SetDataState(dataIndex, currHig);
+                if (m_FadeOut)
+                {
+                    if (currHig <= 0)
+                    {
+                        End();
+                        currHig = 0;
+                    }
+                }
+                else if (Mathf.Abs(currHig) >= Mathf.Abs(barHig))
+                {
+                    End();
+                    currHig = barHig;
+                }
+                return currHig;
+            }
+        }
+
+        internal void CheckSymbol(float dest)
+        {
+            if (!enable || m_IsEnd || m_IsPause || !m_IsInit) return;
+            if (IsInDelay()) return;
+            var duration = GetCurrAnimationDuration();
+            var delta = dest / duration * Time.deltaTime;
+            if (m_FadeOut)
+            {
+                m_CurrSymbolProgress -= delta;
+                if (m_CurrSymbolProgress < 0) m_CurrSymbolProgress = 0;
+            }
+            else
+            {
+                m_CurrSymbolProgress += delta;
+                if (m_CurrSymbolProgress > dest) m_CurrSymbolProgress = dest;
+            }
         }
 
         public float GetSysmbolSize(float dest)
@@ -212,7 +349,8 @@ namespace XCharts
 #if UNITY_EDITOR
             if (!Application.isPlaying) return dest;
 #endif
-            if (!enable || m_IsEnd) return dest;
+            if (!enable) return dest;
+            if (m_IsEnd) return m_FadeOut ? 0 : dest;
             return m_CurrSymbolProgress;
         }
 
@@ -246,8 +384,13 @@ namespace XCharts
 
         public float GetUpdateAnimationDuration()
         {
-            if (m_Enable && m_UpdateAnimation && IsFinish()) return m_UpdateDuration;
+            if (m_Enable && m_DataChangeEnable && IsFinish()) return m_DataChangeDuration;
             else return 0;
         }
+
+        public bool HasFadeOut()
+        {
+            return enable && m_FadeOuted && m_IsEnd;
+        }
     }
 }
\ No newline at end of file
diff --git a/Runtime/GaugeChart.cs b/Runtime/GaugeChart.cs
index 684732d7..8180e258 100644
--- a/Runtime/GaugeChart.cs
+++ b/Runtime/GaugeChart.cs
@@ -64,7 +64,7 @@ namespace XCharts
             serie.center[1] = 0.5f;
             serie.radius[0] = 80;
             serie.splitNumber = 5;
-            serie.animation.updateAnimation = true;
+            serie.animation.dataChangeEnable = true;
             serie.titleStyle.show = true;
             serie.titleStyle.textStyle.offset = new Vector2(0, 20);
             serie.label.show = true;
@@ -85,7 +85,7 @@ namespace XCharts
             for (int i = 0; i < m_Series.Count; i++)
             {
                 var serie = m_Series.list[i];
-                
+
                 var serieLabel = serie.gaugeAxis.axisLabel;
                 serie.gaugeAxis.ClearLabelObject();
                 var count = serie.splitNumber > 36 ? 36 : (serie.splitNumber + 1);
@@ -103,7 +103,7 @@ namespace XCharts
                     item.SetIconActive(false);
                     serie.gaugeAxis.AddLabelObject(item);
                 }
-                 UpdateAxisLabel(serie);
+                UpdateAxisLabel(serie);
             }
         }
 
@@ -130,11 +130,12 @@ namespace XCharts
 
         private void DrawGauge(VertexHelper vh, Serie serie)
         {
+
             serie.UpdateCenter(chartWidth, chartHeight);
             var destAngle = GetCurrAngle(serie, true);
             serie.animation.InitProgress(0, serie.startAngle, destAngle);
+            //var currAngle = serie.animation.GetCurrDetail();
             var currAngle = serie.animation.IsFinish() ? GetCurrAngle(serie, false) : serie.animation.GetCurrDetail();
-
             DrawProgressBar(vh, serie, currAngle);
             DrawStageColor(vh, serie);
             DrawLineStyle(vh, serie);
@@ -147,9 +148,7 @@ namespace XCharts
             CheckAnimation(serie);
             if (!serie.animation.IsFinish())
             {
-                float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                float speed = (destAngle - serie.startAngle) / duration;
-                serie.animation.CheckProgress(Time.deltaTime * speed);
+                serie.animation.CheckProgress(destAngle - serie.startAngle);
                 RefreshChart();
             }
             else if (NeedRefresh(serie))
@@ -405,6 +404,10 @@ namespace XCharts
 
         private float GetCurrAngle(Serie serie, bool dest)
         {
+            if (serie.animation.HasFadeOut())
+            {
+                return serie.animation.GetCurrDetail();
+            }
             float rangeValue = serie.max - serie.min;
             float rangeAngle = serie.endAngle - serie.startAngle;
             float value = 0;
diff --git a/Runtime/Internal/BaseChart.cs b/Runtime/Internal/BaseChart.cs
index 37bb7ec3..ed86e637 100644
--- a/Runtime/Internal/BaseChart.cs
+++ b/Runtime/Internal/BaseChart.cs
@@ -65,7 +65,7 @@ namespace XCharts
         [NonSerialized] protected bool m_ReinitLabel = false;
         [NonSerialized] protected bool m_ReinitTitle = false;
         [NonSerialized] protected bool m_CheckAnimation = false;
-        [NonSerialized] protected bool m_IsPlayingStartAnimation = false;
+        [NonSerialized] protected bool m_IsPlayingAnimation = false;
         [NonSerialized] protected List<string> m_LegendRealShowName = new List<string>();
 
         protected Vector2 chartAnchorMax { get { return rectTransform.anchorMax; } }
@@ -92,8 +92,8 @@ namespace XCharts
             InitSerieLabel();
             InitSerieTitle();
             InitTooltip();
-            m_Series.AnimationStop();
-            m_Series.AnimationStart();
+            m_Series.AnimationReset();
+            m_Series.AnimationFadeIn();
         }
 
         protected override void Start()
@@ -569,7 +569,7 @@ namespace XCharts
             if (!m_CheckAnimation)
             {
                 m_CheckAnimation = true;
-                m_Series.AnimationStart();
+                m_Series.AnimationFadeIn();
             }
         }
 
diff --git a/Runtime/Internal/CoordinateChart.cs b/Runtime/Internal/CoordinateChart.cs
index 675f91ec..9ef6cd6d 100644
--- a/Runtime/Internal/CoordinateChart.cs
+++ b/Runtime/Internal/CoordinateChart.cs
@@ -141,7 +141,7 @@ namespace XCharts
         {
             base.DrawChart(vh);
             if (!m_CheckMinMaxValue) return;
-            m_IsPlayingStartAnimation = false;
+            m_IsPlayingAnimation = false;
             bool yCategory = m_YAxises[0].IsCategory() || m_YAxises[1].IsCategory();
             m_Series.GetStackSeries(ref m_StackSeries);
             int seriesCount = m_StackSeries.Count;
@@ -846,8 +846,8 @@ namespace XCharts
             if (tempMinValue != axis.runtimeMinValue || tempMaxValue != axis.runtimeMaxValue)
             {
                 m_CheckMinMaxValue = true;
-                axis.runtimeMinValue = tempMinValue;
-                axis.runtimeMaxValue = tempMaxValue;
+                axis.UpdateMinValue(tempMinValue, !m_IsPlayingAnimation);
+                axis.UpdateMaxValue(tempMaxValue, !m_IsPlayingAnimation);
                 axis.runtimeZeroXOffset = 0;
                 axis.runtimeZeroYOffset = 0;
                 if (tempMinValue != 0 || tempMaxValue != 0)
@@ -873,7 +873,7 @@ namespace XCharts
                     RefreshChart();
                 }
             }
-            if (axis.IsValueChanging(500) && !m_IsPlayingStartAnimation)
+            if (axis.IsValueChanging(500) && !m_IsPlayingAnimation)
             {
                 float coordinateWidth = axis is XAxis ? this.coordinateWidth : coordinateHeight;
                 var isPercentStack = m_Series.IsPercentStack(SerieType.Bar);
diff --git a/Runtime/Internal/CoordinateChart_DrawBar.cs b/Runtime/Internal/CoordinateChart_DrawBar.cs
index 82aa6123..4570b8ad 100644
--- a/Runtime/Internal/CoordinateChart_DrawBar.cs
+++ b/Runtime/Internal/CoordinateChart_DrawBar.cs
@@ -18,6 +18,7 @@ namespace XCharts
         protected void DrawYBarSerie(VertexHelper vh, Serie serie, int colorIndex, ref List<float> seriesHig)
         {
             if (!IsActive(serie.name)) return;
+            if (serie.animation.HasFadeOut()) return;
             var xAxis = m_XAxises[serie.axisIndex];
             var yAxis = m_YAxises[serie.axisIndex];
             if (!yAxis.show) yAxis = m_YAxises[(serie.axisIndex + 1) % m_YAxises.Count];
@@ -44,9 +45,9 @@ namespace XCharts
             }
             var isPercentStack = m_Series.IsPercentStack(serie.stack, SerieType.Bar);
             bool dataChanging = false;
-            float updateDuration = serie.animation.GetUpdateAnimationDuration();
-            float xMinValue = xAxis.GetCurrMinValue(updateDuration);
-            float xMaxValue = xAxis.GetCurrMaxValue(updateDuration);
+            float dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
+            float xMinValue = xAxis.GetCurrMinValue(dataChangeDuration);
+            float xMaxValue = xAxis.GetCurrMaxValue(dataChangeDuration);
             for (int i = serie.minShow; i < maxCount; i++)
             {
                 if (i >= seriesHig.Count)
@@ -55,7 +56,7 @@ namespace XCharts
                 }
                 var serieData = showData[i];
                 serieData.canShowLabel = true;
-                float value = showData[i].GetCurrData(1, updateDuration);
+                float value = showData[i].GetCurrData(1, dataChangeDuration);
                 if (showData[i].IsDataChanged()) dataChanging = true;
                 float pX = seriesHig[i] + coordinateX + xAxis.runtimeZeroXOffset + yAxis.axisLine.width;
                 float pY = coordinateY + +i * categoryWidth;
@@ -117,23 +118,11 @@ namespace XCharts
 
         private float CheckAnimation(Serie serie, int dataIndex, float barHig)
         {
-            float currHig = barHig;
+            float currHig = serie.animation.CheckBarProgress(dataIndex,barHig);
             if (!serie.animation.IsFinish())
             {
-                if (serie.animation.IsInDelay()) currHig = 0;
-                else
-                {
-                    var speed = serie.animation.duration > 0 ? barHig / serie.animation.duration * 1000 : barHig;
-                    currHig = serie.animation.GetDataState(dataIndex) + speed * Time.deltaTime;
-                    serie.animation.SetDataState(dataIndex, currHig);
-                    if (Mathf.Abs(currHig) >= Mathf.Abs(barHig))
-                    {
-                        serie.animation.End();
-                        currHig = barHig;
-                    }
-                }
                 RefreshChart();
-                m_IsPlayingStartAnimation = true;
+                m_IsPlayingAnimation = true;
             }
             return currHig;
         }
@@ -141,6 +130,7 @@ namespace XCharts
         protected void DrawXBarSerie(VertexHelper vh, Serie serie, int colorIndex, ref List<float> seriesHig)
         {
             if (!IsActive(serie.name)) return;
+            if (serie.animation.HasFadeOut()) return;
             var showData = serie.GetDataList(m_DataZoom);
             var yAxis = m_YAxises[serie.axisIndex];
             var xAxis = m_XAxises[serie.axisIndex];
@@ -167,16 +157,16 @@ namespace XCharts
 
             var isPercentStack = m_Series.IsPercentStack(serie.stack, SerieType.Bar);
             bool dataChanging = false;
-            float updateDuration = serie.animation.GetUpdateAnimationDuration();
-            float yMinValue = yAxis.GetCurrMinValue(updateDuration);
-            float yMaxValue = yAxis.GetCurrMaxValue(updateDuration);
+            float dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
+            float yMinValue = yAxis.GetCurrMinValue(dataChangeDuration);
+            float yMaxValue = yAxis.GetCurrMaxValue(dataChangeDuration);
             for (int i = serie.minShow; i < maxCount; i++)
             {
                 if (i >= seriesHig.Count)
                 {
                     seriesHig.Add(0);
                 }
-                float value = showData[i].GetCurrData(1, updateDuration);
+                float value = showData[i].GetCurrData(1, dataChangeDuration);
                 if (showData[i].IsDataChanged()) dataChanging = true;
                 float pX = coordinateX + i * categoryWidth;
                 float zeroY = coordinateY + yAxis.runtimeZeroYOffset;
diff --git a/Runtime/Internal/CoordinateChart_DrawHeatmap.cs b/Runtime/Internal/CoordinateChart_DrawHeatmap.cs
index 63e83d6e..c6898059 100644
--- a/Runtime/Internal/CoordinateChart_DrawHeatmap.cs
+++ b/Runtime/Internal/CoordinateChart_DrawHeatmap.cs
@@ -116,6 +116,7 @@ namespace XCharts
 
         protected void DrawHeatmapSerie(VertexHelper vh, int colorIndex, Serie serie)
         {
+            if (serie.animation.HasFadeOut()) return;
             var yAxis = m_YAxises[serie.axisIndex];
             var xAxis = m_XAxises[serie.axisIndex];
             var xCount = xAxis.data.Count;
@@ -135,7 +136,7 @@ namespace XCharts
             serie.dataPoints.Clear();
             serie.animation.InitProgress(1, 0, xCount);
             var animationIndex = serie.animation.GetCurrIndex();
-            var updateDuration = serie.animation.GetUpdateAnimationDuration();
+            var dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
             var dataChanging = false;
             for (int i = 0; i < xCount; i++)
             {
@@ -146,7 +147,7 @@ namespace XCharts
                     var serieData = dataList[dataIndex];
                     var dimension = m_VisualMap.enable && m_VisualMap.dimension > 0 ? m_VisualMap.dimension - 1 :
                         serieData.data.Count - 1;
-                    var value = serieData.GetCurrData(dimension, updateDuration);
+                    var value = serieData.GetCurrData(dimension, dataChangeDuration);
                     if (serieData.IsDataChanged()) dataChanging = true;
                     var pos = new Vector3(zeroX + (i + 0.5f) * xWidth, zeroY + (j + 0.5f) * yWidth);
                     serie.dataPoints.Add(pos);
@@ -183,10 +184,8 @@ namespace XCharts
             }
             if (!serie.animation.IsFinish())
             {
-                float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                float speed = xCount / duration;
-                serie.animation.CheckProgress(Time.deltaTime * speed);
-                m_IsPlayingStartAnimation = true;
+                serie.animation.CheckProgress(xCount);
+                m_IsPlayingAnimation = true;
                 RefreshChart();
             }
             if (dataChanging)
diff --git a/Runtime/Internal/CoordinateChart_DrawLine.cs b/Runtime/Internal/CoordinateChart_DrawLine.cs
index 7aee1cc0..1e212bef 100644
--- a/Runtime/Internal/CoordinateChart_DrawLine.cs
+++ b/Runtime/Internal/CoordinateChart_DrawLine.cs
@@ -79,6 +79,7 @@ namespace XCharts
         protected void DrawXLineSerie(VertexHelper vh, Serie serie, int colorIndex, ref List<float> seriesHig)
         {
             if (!IsActive(serie.index)) return;
+            if (serie.animation.HasFadeOut()) return;
             var showData = serie.GetDataList(m_DataZoom);
             if (showData.Count <= 0) return;
             Color lineColor = serie.GetLineColor(m_ThemeInfo, colorIndex, false);
@@ -114,7 +115,7 @@ namespace XCharts
             var totalAverage = serie.sampleAverage > 0 ? serie.sampleAverage :
                 DataAverage(ref showData, serie.sampleType, serie.minShow, maxCount, rate);
             var dataChanging = false;
-            var updateDuration = serie.animation.GetUpdateAnimationDuration();
+            var dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
             for (i = serie.minShow; i < maxCount; i += rate)
             {
                 if (i == maxCount - 1) includeLastData = true;
@@ -123,9 +124,9 @@ namespace XCharts
                     for (int j = 0; j < rate; j++) seriesHig.Add(0);
                 }
                 float yValue = SampleValue(ref showData, serie.sampleType, rate, serie.minShow, maxCount, totalAverage,
-                    i, updateDuration, ref dataChanging);
+                    i, dataChangeDuration, ref dataChanging);
                 seriesHig[i] += GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, seriesHig[i], ref np,
-                    updateDuration);
+                    dataChangeDuration);
                 serie.dataPoints.Add(np);
             }
             if (dataChanging)
@@ -136,9 +137,9 @@ namespace XCharts
             {
                 i = maxCount - 1;
                 seriesHig.Add(0);
-                float yValue = showData[i].GetCurrData(1, updateDuration);
+                float yValue = showData[i].GetCurrData(1, dataChangeDuration);
                 seriesHig[i] += GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, seriesHig[i], ref np,
-                    updateDuration);
+                    dataChangeDuration);
                 serie.dataPoints.Add(np);
             }
             if (serie.dataPoints.Count <= 0)
@@ -155,8 +156,8 @@ namespace XCharts
             if (serie.minShow > 0 && serie.minShow < showData.Count)
             {
                 i = serie.minShow - 1;
-                float yValue = showData[i].GetCurrData(1, updateDuration);
-                GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, 0, ref firstLastPos, updateDuration);
+                float yValue = showData[i].GetCurrData(1, dataChangeDuration);
+                GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, 0, ref firstLastPos, dataChangeDuration);
             }
             else
             {
@@ -165,8 +166,8 @@ namespace XCharts
             if (serie.maxShow > 0 && serie.maxShow < showData.Count)
             {
                 i = serie.maxShow;
-                float yValue = showData[i].GetCurrData(1, updateDuration);
-                GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, 0, ref lastNextPos, updateDuration);
+                float yValue = showData[i].GetCurrData(1, dataChangeDuration);
+                GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, 0, ref lastNextPos, dataChangeDuration);
             }
             else
             {
@@ -221,12 +222,9 @@ namespace XCharts
             }
             if (!serie.animation.IsFinish())
             {
-                float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                float speed = totalDetailProgress / duration;
-                float symbolSpeed = serie.symbol.size / duration;
-                serie.animation.CheckProgress(Time.deltaTime * speed);
-                serie.animation.CheckSymbol(Time.deltaTime * symbolSpeed, serie.symbol.size);
-                m_IsPlayingStartAnimation = true;
+                serie.animation.CheckProgress(totalDetailProgress);
+                serie.animation.CheckSymbol(serie.symbol.size);
+                m_IsPlayingAnimation = true;
                 RefreshChart();
             }
         }
@@ -247,12 +245,12 @@ namespace XCharts
         }
 
         private float SampleValue(ref List<SerieData> showData, SampleType sampleType, int rate,
-            int minCount, int maxCount, float totalAverage, int index, float updateDuration, ref bool dataChanging)
+            int minCount, int maxCount, float totalAverage, int index, float dataChangeDuration, ref bool dataChanging)
         {
             if (rate <= 1 || index == minCount)
             {
                 if (showData[index].IsDataChanged()) dataChanging = true;
-                return showData[index].GetCurrData(1, updateDuration);
+                return showData[index].GetCurrData(1, dataChangeDuration);
             }
             switch (sampleType)
             {
@@ -261,7 +259,7 @@ namespace XCharts
                     float total = 0;
                     for (int i = index; i > index - rate; i--)
                     {
-                        total += showData[i].GetCurrData(1, updateDuration);
+                        total += showData[i].GetCurrData(1, dataChangeDuration);
                         if (showData[i].IsDataChanged()) dataChanging = true;
                     }
                     if (sampleType == SampleType.Average) return total / rate;
@@ -270,7 +268,7 @@ namespace XCharts
                     float max = float.MinValue;
                     for (int i = index; i > index - rate; i--)
                     {
-                        var value = showData[i].GetCurrData(1, updateDuration);
+                        var value = showData[i].GetCurrData(1, dataChangeDuration);
                         if (value > max) max = value;
                         if (showData[i].IsDataChanged()) dataChanging = true;
                     }
@@ -279,7 +277,7 @@ namespace XCharts
                     float min = float.MaxValue;
                     for (int i = index; i > index - rate; i--)
                     {
-                        var value = showData[i].GetCurrData(1, updateDuration);
+                        var value = showData[i].GetCurrData(1, dataChangeDuration);
                         if (value < min) min = value;
                         if (showData[i].IsDataChanged()) dataChanging = true;
                     }
@@ -290,7 +288,7 @@ namespace XCharts
                     total = 0;
                     for (int i = index; i > index - rate; i--)
                     {
-                        var value = showData[i].GetCurrData(1, updateDuration);
+                        var value = showData[i].GetCurrData(1, dataChangeDuration);
                         total += value;
                         if (value < min) min = value;
                         if (value > max) max = value;
@@ -301,7 +299,7 @@ namespace XCharts
                     else return min;
             }
             if (showData[index].IsDataChanged()) dataChanging = true;
-            return showData[index].GetCurrData(1, updateDuration);
+            return showData[index].GetCurrData(1, dataChangeDuration);
         }
 
         private float GetDataPoint(Axis xAxis, Axis yAxis, List<SerieData> showData, float yValue, float startX, int i,
@@ -365,6 +363,7 @@ namespace XCharts
         protected void DrawYLineSerie(VertexHelper vh, Serie serie, int colorIndex, ref List<float> seriesHig)
         {
             if (!IsActive(serie.index)) return;
+            if (serie.animation.HasFadeOut()) return;
             var showData = serie.GetDataList(m_DataZoom);
             Vector3 lp = Vector3.zero;
             Vector3 np = Vector3.zero;
@@ -399,16 +398,16 @@ namespace XCharts
             if (sampleDist > 0) rate = (int)((maxCount - serie.minShow) / (coordinateWidth / sampleDist));
             if (rate < 1) rate = 1;
             var dataChanging = false;
-            float updateDuration = serie.animation.GetUpdateAnimationDuration();
-            float xMinValue = xAxis.GetCurrMinValue(updateDuration);
-            float xMaxValue = xAxis.GetCurrMaxValue(updateDuration);
+            float dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
+            float xMinValue = xAxis.GetCurrMinValue(dataChangeDuration);
+            float xMaxValue = xAxis.GetCurrMaxValue(dataChangeDuration);
             for (i = serie.minShow; i < maxCount; i += rate)
             {
                 if (i >= seriesHig.Count)
                 {
                     for (int j = 0; j < rate; j++) seriesHig.Add(0);
                 }
-                float value = showData[i].GetCurrData(1, updateDuration);
+                float value = showData[i].GetCurrData(1, dataChangeDuration);
                 float pY = startY + i * scaleWid;
                 float pX = seriesHig[i] + coordinateX + yAxis.axisLine.width;
                 float dataHig = 0;
@@ -435,7 +434,7 @@ namespace XCharts
             {
                 i = maxCount - 1;
                 seriesHig.Add(0);
-                float value = showData[i].GetCurrData(1, updateDuration);
+                float value = showData[i].GetCurrData(1, dataChangeDuration);
                 float pY = startY + i * scaleWid;
                 float pX = seriesHig[i] + coordinateX + yAxis.axisLine.width;
                 float dataHig = 0;
@@ -517,12 +516,10 @@ namespace XCharts
             }
             if (!serie.animation.IsFinish())
             {
-                float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                float speed = (totalDetailProgress - dataCount * serie.lineStyle.width * 0.5f) / duration;
-                float symbolSpeed = serie.symbol.size / duration;
-                serie.animation.CheckProgress(Time.deltaTime * speed);
-                serie.animation.CheckSymbol(Time.deltaTime * symbolSpeed, serie.symbol.size);
-                m_IsPlayingStartAnimation = true;
+                float total = totalDetailProgress - dataCount * serie.lineStyle.width * 0.5f;
+                serie.animation.CheckProgress(total);
+                serie.animation.CheckSymbol(serie.symbol.size);
+                m_IsPlayingAnimation = true;
                 RefreshChart();
             }
         }
diff --git a/Runtime/Internal/CoordinateChart_DrawScatter.cs b/Runtime/Internal/CoordinateChart_DrawScatter.cs
index 6682ebde..ceefdcdd 100644
--- a/Runtime/Internal/CoordinateChart_DrawScatter.cs
+++ b/Runtime/Internal/CoordinateChart_DrawScatter.cs
@@ -14,6 +14,7 @@ namespace XCharts
     {
         protected void DrawScatterSerie(VertexHelper vh, int colorIndex, Serie serie)
         {
+            if (serie.animation.HasFadeOut()) return;
             var yAxis = m_YAxises[serie.axisIndex];
             var xAxis = m_XAxises[serie.axisIndex];
             var color = serie.symbol.color != Color.clear ? serie.symbol.color : (Color)m_ThemeInfo.GetColor(colorIndex);
@@ -23,13 +24,13 @@ namespace XCharts
                 : serie.dataCount;
             serie.animation.InitProgress(1, 0, 1);
             var rate = serie.animation.GetCurrRate();
-            var updateDuration = serie.animation.GetUpdateAnimationDuration();
+            var dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
             var dataChanging = false;
             for (int n = serie.minShow; n < maxCount; n++)
             {
                 var serieData = serie.GetDataList(m_DataZoom)[n];
-                float xValue = serieData.GetCurrData(0, updateDuration);
-                float yValue = serieData.GetCurrData(1, updateDuration);
+                float xValue = serieData.GetCurrData(0, dataChangeDuration);
+                float yValue = serieData.GetCurrData(1, dataChangeDuration);
                 if (serieData.IsDataChanged()) dataChanging = true;
                 float pX = coordinateX + xAxis.axisLine.width;
                 float pY = coordinateY + yAxis.axisLine.width;
@@ -66,10 +67,8 @@ namespace XCharts
             }
             if (!serie.animation.IsFinish())
             {
-                float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                float speed = 1 / duration;
-                serie.animation.CheckProgress(Time.deltaTime * speed);
-                m_IsPlayingStartAnimation = true;
+                serie.animation.CheckProgress(1);
+                m_IsPlayingAnimation = true;
                 RefreshChart();
             }
             if (dataChanging)
diff --git a/Runtime/PieChart.cs b/Runtime/PieChart.cs
index a99de3eb..e24b3f27 100644
--- a/Runtime/PieChart.cs
+++ b/Runtime/PieChart.cs
@@ -58,7 +58,7 @@ namespace XCharts
                 serie.index = i;
                 var data = serie.data;
                 serie.animation.InitProgress(data.Count, 0, 360);
-                if (!serie.show)
+                if (!serie.show || serie.animation.HasFadeOut())
                 {
                     continue;
                 }
@@ -77,13 +77,12 @@ namespace XCharts
                     sd.canShowLabel = false;
                 }
                 bool dataChanging = false;
-                float updateDuration = serie.animation.GetUpdateAnimationDuration();
+                float dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
                 for (int n = 0; n < data.Count; n++)
                 {
-                    if (!serie.animation.NeedAnimation(n)) break;
                     var serieData = data[n];
                     serieData.index = n;
-                    float value = serieData.GetCurrData(1, updateDuration);
+                    float value = serieData.GetCurrData(1, dataChangeDuration);
                     if (serieData.IsDataChanged()) dataChanging = true;
                     serieNameCount = m_LegendRealShowName.IndexOf(serieData.legendName);
                     Color color = m_ThemeInfo.GetColor(serieNameCount);
@@ -164,11 +163,8 @@ namespace XCharts
                 }
                 if (!serie.animation.IsFinish())
                 {
-                    float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                    float speed = 360 / duration;
-                    float symbolSpeed = serie.symbol.size / duration;
-                    serie.animation.CheckProgress(Time.deltaTime * speed);
-                    serie.animation.CheckSymbol(Time.deltaTime * symbolSpeed, serie.symbol.size);
+                    serie.animation.CheckProgress(360);
+                    serie.animation.CheckSymbol(serie.symbol.size);
                     RefreshChart();
                 }
                 if (dataChanging)
diff --git a/Runtime/RadarChart.cs b/Runtime/RadarChart.cs
index 948a125a..40a1556f 100644
--- a/Runtime/RadarChart.cs
+++ b/Runtime/RadarChart.cs
@@ -198,13 +198,13 @@ namespace XCharts
                 var angle = 2 * Mathf.PI / indicatorNum;
                 Vector3 p = radar.runtimeCenterPos;
                 serie.animation.InitProgress(1, 0, 1);
-                if (!IsActive(i))
+                if (!IsActive(i) || serie.animation.HasFadeOut())
                 {
                     continue;
                 }
                 var rate = serie.animation.GetCurrRate();
                 var dataChanging = false;
-                var updateDuration = serie.animation.GetUpdateAnimationDuration();
+                var dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
                 for (int j = 0; j < serie.data.Count; j++)
                 {
                     var serieData = serie.data[j];
@@ -249,7 +249,7 @@ namespace XCharts
                         if (n >= serieData.data.Count) break;
                         float min = radar.GetIndicatorMin(n);
                         float max = radar.GetIndicatorMax(n);
-                        float value = serieData.GetCurrData(n, updateDuration);
+                        float value = serieData.GetCurrData(n, dataChangeDuration);
                         if (serieData.IsDataChanged()) dataChanging = true;
                         if (max == 0)
                         {
@@ -304,9 +304,7 @@ namespace XCharts
                 }
                 if (!serie.animation.IsFinish())
                 {
-                    float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
-                    float speed = 1 / duration;
-                    serie.animation.CheckProgress(Time.deltaTime * speed);
+                    serie.animation.CheckProgress(1);
                     RefreshChart();
                 }
                 if (dataChanging)
diff --git a/Runtime/Utility/XChartsMgr.cs b/Runtime/Utility/XChartsMgr.cs
index 6a99c172..15ce9fea 100644
--- a/Runtime/Utility/XChartsMgr.cs
+++ b/Runtime/Utility/XChartsMgr.cs
@@ -25,7 +25,7 @@ namespace XCharts
     public class XChartsMgr : MonoBehaviour
     {
         public const string version = "1.2.0";
-        public const int date = 20200213;
+        public const int date = 20200223;
 
         [SerializeField] private string m_NowVersion;
         [SerializeField] private string m_NewVersion;