diff --git a/Demo/Scripts/Demo_Dynamic.cs b/Demo/Scripts/Demo_Dynamic.cs
index b5a1b9c2..ef10b0b0 100644
--- a/Demo/Scripts/Demo_Dynamic.cs
+++ b/Demo/Scripts/Demo_Dynamic.cs
@@ -1,6 +1,5 @@
 using System;
 using UnityEngine;
-using UnityEngine.UI;
 using XCharts;
 
 [DisallowMultipleComponent]
diff --git a/Demo/Scripts/Demo_LargeData.cs b/Demo/Scripts/Demo_LargeData.cs
index f71d8bff..87c7e149 100644
--- a/Demo/Scripts/Demo_LargeData.cs
+++ b/Demo/Scripts/Demo_LargeData.cs
@@ -26,10 +26,10 @@ public class Demo_LargeData : MonoBehaviour
 
     void Update()
     {
-        if (initCount< maxCacheDataNumber)
+        if (initCount < maxCacheDataNumber)
         {
             int count = (int)(maxCacheDataNumber / initDataTime * Time.deltaTime);
-            for(int i = 0; i < count; i++)
+            for (int i = 0; i < count; i++)
             {
                 timeNow = timeNow.AddSeconds(1);
                 chart.AddXAxisData(timeNow.ToString("hh:mm:ss"));
diff --git a/Demo/Scripts/Demo_PieChart.cs b/Demo/Scripts/Demo_PieChart.cs
index a5c5c6bd..5ac503db 100644
--- a/Demo/Scripts/Demo_PieChart.cs
+++ b/Demo/Scripts/Demo_PieChart.cs
@@ -19,10 +19,10 @@ public class Demo_PieChart : MonoBehaviour
     private void Update()
     {
         time += Time.deltaTime;
-        if(time > 1 )
+        if (time > 1)
         {
             time = 0;
-            if(count < 5)
+            if (count < 5)
             {
                 chart.AddData("time" + count, Random.Range(10, 100));
             }
diff --git a/Demo/Scripts/Demo_Test.cs b/Demo/Scripts/Demo_Test.cs
index 8230266f..cf8b79a6 100644
--- a/Demo/Scripts/Demo_Test.cs
+++ b/Demo/Scripts/Demo_Test.cs
@@ -1,5 +1,4 @@
 using UnityEngine;
-using UnityEngine.UI;
 using XCharts;
 
 [DisallowMultipleComponent]
diff --git a/Scripts/Editor/BaseChartEditor.cs b/Scripts/Editor/BaseChartEditor.cs
index c38098c6..c14f7da1 100644
--- a/Scripts/Editor/BaseChartEditor.cs
+++ b/Scripts/Editor/BaseChartEditor.cs
@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-using UnityEditor;
+using UnityEditor;
 using UnityEngine;
 
 namespace XCharts
@@ -33,8 +32,8 @@ namespace XCharts
 
         private bool m_ThemeModuleToggle = false;
         private bool m_BaseModuleToggle = false;
-        
-        
+
+
 
         protected virtual void OnEnable()
         {
@@ -75,7 +74,7 @@ namespace XCharts
         {
             EditorGUILayout.PropertyField(m_Script);
             EditorGUILayout.BeginHorizontal();
-            EditorGUIUtility.fieldWidth = EditorGUIUtility.labelWidth -5;
+            EditorGUIUtility.fieldWidth = EditorGUIUtility.labelWidth - 5;
             m_ThemeModuleToggle = EditorGUILayout.Foldout(m_ThemeModuleToggle, "Theme",
                 ChartEditorHelper.foldoutStyle);
             EditorGUILayout.PropertyField(m_Theme, GUIContent.none);
@@ -93,7 +92,7 @@ namespace XCharts
 
         protected virtual void OnMiddleInspectorGUI()
         {
-            EditorGUILayout.PropertyField(m_Series,true);
+            EditorGUILayout.PropertyField(m_Series, true);
             m_BaseModuleToggle = EditorGUILayout.Foldout(m_BaseModuleToggle, "Base",
                 ChartEditorHelper.foldoutStyle);
             if (m_BaseModuleToggle)
diff --git a/Scripts/Editor/PropertyDrawers/AxisDrawer.cs b/Scripts/Editor/PropertyDrawers/AxisDrawer.cs
index 31db6fa6..27d2b82a 100644
--- a/Scripts/Editor/PropertyDrawers/AxisDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/AxisDrawer.cs
@@ -1,7 +1,6 @@
 using UnityEditor;
 using UnityEditorInternal;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -107,7 +106,7 @@ namespace XCharts
                 EditorGUI.PropertyField(drawRect, m_AxisTick);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 drawRect.y += EditorGUI.GetPropertyHeight(m_AxisTick);
-                
+
                 if (type == Axis.AxisType.Category)
                 {
                     drawRect.width = EditorGUIUtility.labelWidth + 10;
@@ -154,11 +153,12 @@ namespace XCharts
                     {
                         height += EditorGUIUtility.singleLineHeight * 3 + EditorGUIUtility.standardVerticalSpacing;
                     }
-                }else if(type == Axis.AxisType.Value)
+                }
+                else if (type == Axis.AxisType.Value)
                 {
                     height += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                     SerializedProperty m_MinMaxType = prop.FindPropertyRelative("m_MinMaxType");
-                    if(m_MinMaxType.enumValueIndex == (int)Axis.AxisMinMaxType.Custom)
+                    if (m_MinMaxType.enumValueIndex == (int)Axis.AxisMinMaxType.Custom)
                     {
                         height += EditorGUIUtility.singleLineHeight * 2 + EditorGUIUtility.standardVerticalSpacing;
                     }
@@ -166,7 +166,7 @@ namespace XCharts
                 height += EditorGUI.GetPropertyHeight(m_AxisTick);
                 return height;
             }
-                
+
         }
     }
 }
\ No newline at end of file
diff --git a/Scripts/Editor/PropertyDrawers/AxisTickDrawer.cs b/Scripts/Editor/PropertyDrawers/AxisTickDrawer.cs
index 90b9a9a9..607a379c 100644
--- a/Scripts/Editor/PropertyDrawers/AxisTickDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/AxisTickDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/BarDrawer.cs b/Scripts/Editor/PropertyDrawers/BarDrawer.cs
index 3ea53bbd..ad3fb1d6 100644
--- a/Scripts/Editor/PropertyDrawers/BarDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/BarDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/CoordinateDrawer.cs b/Scripts/Editor/PropertyDrawers/CoordinateDrawer.cs
index d3861649..b57f8b74 100644
--- a/Scripts/Editor/PropertyDrawers/CoordinateDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/CoordinateDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -22,7 +21,7 @@ namespace XCharts
             SerializedProperty m_FontSize = prop.FindPropertyRelative("m_FontSize");
 
             ChartEditorHelper.MakeFoldout(ref drawRect, ref m_CoordinateModuleToggle, "Coordinate");
-            EditorGUI.LabelField(drawRect, "Coordinate",EditorStyles.boldLabel);
+            EditorGUI.LabelField(drawRect, "Coordinate", EditorStyles.boldLabel);
             drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
             if (m_CoordinateModuleToggle)
             {
diff --git a/Scripts/Editor/PropertyDrawers/DataZoomDrawer.cs b/Scripts/Editor/PropertyDrawers/DataZoomDrawer.cs
index 4852d3ea..123d3c98 100644
--- a/Scripts/Editor/PropertyDrawers/DataZoomDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/DataZoomDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/LegendDrawer.cs b/Scripts/Editor/PropertyDrawers/LegendDrawer.cs
index 0c6e26e4..7b58a7ad 100644
--- a/Scripts/Editor/PropertyDrawers/LegendDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/LegendDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -63,7 +62,7 @@ namespace XCharts
                 SerializedProperty location = prop.FindPropertyRelative("m_Location");
                 height += 5 * EditorGUIUtility.singleLineHeight + 4 * EditorGUIUtility.standardVerticalSpacing;
                 height += EditorGUI.GetPropertyHeight(location);
-                height += EditorGUIUtility.singleLineHeight +  EditorGUIUtility.standardVerticalSpacing;
+                height += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 if (m_DataFoldout)
                 {
                     SerializedProperty m_Data = prop.FindPropertyRelative("m_Data");
diff --git a/Scripts/Editor/PropertyDrawers/LineDrawer.cs b/Scripts/Editor/PropertyDrawers/LineDrawer.cs
index 2cdd9efd..e05d690c 100644
--- a/Scripts/Editor/PropertyDrawers/LineDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/LineDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -49,7 +48,7 @@ namespace XCharts
                 if (m_Point.boolValue)
                 {
                     drawRect.x = EditorGUIUtility.labelWidth + 15;
-                    EditorGUI.LabelField(drawRect,"Width");
+                    EditorGUI.LabelField(drawRect, "Width");
                     drawRect.x = EditorGUIUtility.labelWidth + 65;
                     float tempWidth = EditorGUIUtility.currentViewWidth - EditorGUIUtility.labelWidth - 70;
                     if (tempWidth < 20) tempWidth = 20;
diff --git a/Scripts/Editor/PropertyDrawers/LocationDrawer.cs b/Scripts/Editor/PropertyDrawers/LocationDrawer.cs
index fce91a59..de38fd14 100644
--- a/Scripts/Editor/PropertyDrawers/LocationDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/LocationDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/PieDrawer.cs b/Scripts/Editor/PropertyDrawers/PieDrawer.cs
index 40da048b..79aa8349 100644
--- a/Scripts/Editor/PropertyDrawers/PieDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/PieDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/RadarDrawer.cs b/Scripts/Editor/PropertyDrawers/RadarDrawer.cs
index 927cb31f..300d949e 100644
--- a/Scripts/Editor/PropertyDrawers/RadarDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/RadarDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -63,13 +62,13 @@ namespace XCharts
             if (m_RadarModuleToggle)
             {
                 ++EditorGUI.indentLevel;
-                
+
                 EditorGUIUtility.fieldWidth = 10;
-                
+
                 EditorGUIUtility.labelWidth = 50;
                 drawRect.width = 60;
                 EditorGUI.PropertyField(drawRect, m_Cricle);
-                
+
                 EditorGUIUtility.labelWidth = 45;
                 drawRect.x += 60;
                 EditorGUI.PropertyField(drawRect, m_Area);
@@ -129,7 +128,7 @@ namespace XCharts
             if (m_RadarModuleToggle)
             {
                 propNum += 13;
-                
+
                 if (m_BackgroundColorToggle)
                 {
                     m_BackgroundColorList = prop.FindPropertyRelative("m_BackgroundColorList");
@@ -139,14 +138,14 @@ namespace XCharts
                 if (m_IndicatorJsonAreaToggle) propNum += 4;
 
 
-                float height = propNum * EditorGUIUtility.singleLineHeight + (propNum -1) * EditorGUIUtility.standardVerticalSpacing;
+                float height = propNum * EditorGUIUtility.singleLineHeight + (propNum - 1) * EditorGUIUtility.standardVerticalSpacing;
 
                 if (m_IndicatorToggle)
                 {
                     m_IndicatorList = prop.FindPropertyRelative("m_IndicatorList");
                     height += EditorGUIUtility.singleLineHeight * 2 + EditorGUIUtility.standardVerticalSpacing;
 
-                    for(int i = 0; i < m_IndicatorSize; i++)
+                    for (int i = 0; i < m_IndicatorSize; i++)
                     {
                         height += EditorGUI.GetPropertyHeight(m_IndicatorList.GetArrayElementAtIndex(i));
                     }
diff --git a/Scripts/Editor/PropertyDrawers/RadarIndicatorDrawer.cs b/Scripts/Editor/PropertyDrawers/RadarIndicatorDrawer.cs
index 6591a33f..7f42160c 100644
--- a/Scripts/Editor/PropertyDrawers/RadarIndicatorDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/RadarIndicatorDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -31,12 +30,12 @@ namespace XCharts
             if (m_RadarModuleToggle)
             {
                 ++EditorGUI.indentLevel;
-                
+
                 EditorGUI.PropertyField(drawRect, m_Name);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 EditorGUI.PropertyField(drawRect, m_Max);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-                
+
                 --EditorGUI.indentLevel;
             }
         }
@@ -47,7 +46,7 @@ namespace XCharts
             if (m_RadarModuleToggle)
             {
                 propNum += 2;
-                return propNum * EditorGUIUtility.singleLineHeight + (propNum -1) * EditorGUIUtility.standardVerticalSpacing;
+                return propNum * EditorGUIUtility.singleLineHeight + (propNum - 1) * EditorGUIUtility.standardVerticalSpacing;
             }
             else
             {
diff --git a/Scripts/Editor/PropertyDrawers/SerieDrawer.cs b/Scripts/Editor/PropertyDrawers/SerieDrawer.cs
index bcff5341..b0fa5fef 100644
--- a/Scripts/Editor/PropertyDrawers/SerieDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/SerieDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/SeriesDrawer.cs b/Scripts/Editor/PropertyDrawers/SeriesDrawer.cs
index 018fa1e1..f4ba4fee 100644
--- a/Scripts/Editor/PropertyDrawers/SeriesDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/SeriesDrawer.cs
@@ -1,7 +1,5 @@
-using System.Collections.Generic;
-using UnityEditor;
+using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/ThemeInfoDrawer.cs b/Scripts/Editor/PropertyDrawers/ThemeInfoDrawer.cs
index e9db39b7..a6661ccb 100644
--- a/Scripts/Editor/PropertyDrawers/ThemeInfoDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/ThemeInfoDrawer.cs
@@ -1,7 +1,6 @@
 using UnityEditor;
 using UnityEditorInternal;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/TitleDrawer.cs b/Scripts/Editor/PropertyDrawers/TitleDrawer.cs
index 3d1da7e4..2c067ba9 100644
--- a/Scripts/Editor/PropertyDrawers/TitleDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/TitleDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/Editor/PropertyDrawers/TooltipDrawer.cs b/Scripts/Editor/PropertyDrawers/TooltipDrawer.cs
index 1e2446ef..cf3b8798 100644
--- a/Scripts/Editor/PropertyDrawers/TooltipDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/TooltipDrawer.cs
@@ -1,6 +1,5 @@
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
@@ -27,7 +26,7 @@ namespace XCharts
 
         public override float GetPropertyHeight(SerializedProperty prop, GUIContent label)
         {
-            if(m_TooltipModuleToggle)
+            if (m_TooltipModuleToggle)
                 return 2 * (EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing);
             else
                 return 1 * (EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing);
diff --git a/Scripts/UI/Interface/IJsonData.cs b/Scripts/UI/Interface/IJsonData.cs
index 1b8f0c4d..12767942 100644
--- a/Scripts/UI/Interface/IJsonData.cs
+++ b/Scripts/UI/Interface/IJsonData.cs
@@ -1,7 +1,4 @@
-using UnityEngine;
-using System.Collections;
-
-namespace XCharts
+namespace XCharts
 {
     public interface IJsonData
     {
diff --git a/Scripts/UI/Interface/IPropertyChanged.cs b/Scripts/UI/Interface/IPropertyChanged.cs
index 49e49e75..e4c6960f 100644
--- a/Scripts/UI/Interface/IPropertyChanged.cs
+++ b/Scripts/UI/Interface/IPropertyChanged.cs
@@ -1,7 +1,4 @@
-using UnityEngine;
-using System.Collections;
-
-namespace XCharts
+namespace XCharts
 {
     public interface IPropertyChanged
     {
diff --git a/Scripts/UI/Internal/Axis.cs b/Scripts/UI/Internal/Axis.cs
index f34636f7..2cd3f1c5 100644
--- a/Scripts/UI/Internal/Axis.cs
+++ b/Scripts/UI/Internal/Axis.cs
@@ -118,7 +118,7 @@ namespace XCharts
             m_Data.Add(category);
         }
 
-        public string GetData(int index,DataZoom dataZoom)
+        public string GetData(int index, DataZoom dataZoom)
         {
             var showData = GetData(dataZoom);
             if (index >= 0 && index < showData.Count)
@@ -131,10 +131,10 @@ namespace XCharts
         {
             if (dataZoom != null && dataZoom.show)
             {
-                var startIndex = (int)((data.Count-1) * dataZoom.start / 100);
+                var startIndex = (int)((data.Count - 1) * dataZoom.start / 100);
                 var endIndex = (int)((data.Count - 1) * dataZoom.end / 100);
                 var count = endIndex == startIndex ? 1 : endIndex - startIndex + 1;
-                if(filterData == null || filterData.Count != count)
+                if (filterData == null || filterData.Count != count)
                 {
                     UpdateFilterData(dataZoom);
                 }
@@ -152,7 +152,7 @@ namespace XCharts
             {
                 var startIndex = (int)((data.Count - 1) * dataZoom.start / 100);
                 var endIndex = (int)((data.Count - 1) * dataZoom.end / 100);
-                if(startIndex != filterStart || endIndex != filterEnd)
+                if (startIndex != filterStart || endIndex != filterEnd)
                 {
                     filterStart = startIndex;
                     filterEnd = endIndex;
@@ -166,7 +166,7 @@ namespace XCharts
                         filterData = m_Data;
                     }
                 }
-                else if(endIndex == 0)
+                else if (endIndex == 0)
                 {
                     filterData = new List<string>();
                 }
@@ -183,7 +183,7 @@ namespace XCharts
                 return dataCount;
         }
 
-        public float GetSplitWidth(float coordinateWidth,DataZoom dataZoom)
+        public float GetSplitWidth(float coordinateWidth, DataZoom dataZoom)
         {
             return coordinateWidth / (m_BoundaryGap ? GetSplitNumber(dataZoom) : GetSplitNumber(dataZoom) - 1);
         }
@@ -245,7 +245,7 @@ namespace XCharts
             }
         }
 
-        public float GetScaleWidth(float coordinateWidth,DataZoom dataZoom)
+        public float GetScaleWidth(float coordinateWidth, DataZoom dataZoom)
         {
             int num = GetScaleNumber(dataZoom) - 1;
             if (num <= 0) num = 1;
diff --git a/Scripts/UI/Internal/Coordinate.cs b/Scripts/UI/Internal/Coordinate.cs
index b0f8b15f..22b50589 100644
--- a/Scripts/UI/Internal/Coordinate.cs
+++ b/Scripts/UI/Internal/Coordinate.cs
@@ -1,7 +1,5 @@
 using System;
-using System.Collections.Generic;
 using UnityEngine;
-using UnityEngine.UI;
 
 namespace XCharts
 {
diff --git a/Scripts/UI/Internal/CoordinateChart.cs b/Scripts/UI/Internal/CoordinateChart.cs
index dbb28605..9e98bcac 100644
--- a/Scripts/UI/Internal/CoordinateChart.cs
+++ b/Scripts/UI/Internal/CoordinateChart.cs
@@ -2,7 +2,6 @@
 using UnityEngine.UI;
 using System.Collections.Generic;
 using System.Text;
-using System;
 using UnityEngine.EventSystems;
 
 namespace XCharts
@@ -162,7 +161,6 @@ namespace XCharts
                 m_Tooltip.SetActive(false);
                 return;
             }
-            m_Tooltip.SetActive(true);
             if (m_Series.Count == 1)
             {
                 float value = m_Series.GetData(0, index);
@@ -221,6 +219,7 @@ namespace XCharts
                 pos.y = m_Tooltip.height;
             }
             m_Tooltip.UpdateContentPos(pos);
+            m_Tooltip.SetActive(true);
         }
 
         protected override void OnThemeChanged()
diff --git a/Scripts/UI/Internal/DataZoom.cs b/Scripts/UI/Internal/DataZoom.cs
index f938edfa..6aea0955 100644
--- a/Scripts/UI/Internal/DataZoom.cs
+++ b/Scripts/UI/Internal/DataZoom.cs
@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine;
+using UnityEngine;
 using UnityEngine.UI;
 
 namespace XCharts
@@ -84,7 +82,7 @@ namespace XCharts
                     rangeMode = RangeMode.Percent,
                     start = 30,
                     end = 70,
-                    m_ScrollSensitivity=10,
+                    m_ScrollSensitivity = 10,
                 };
             }
         }
@@ -119,7 +117,7 @@ namespace XCharts
 
         public void SetLabelActive(bool flag)
         {
-            if(startLabel && startLabel.gameObject.activeInHierarchy!=flag)
+            if (startLabel && startLabel.gameObject.activeInHierarchy != flag)
             {
                 startLabel.gameObject.SetActive(flag);
             }
diff --git a/Scripts/UI/Internal/JsonDataSupport.cs b/Scripts/UI/Internal/JsonDataSupport.cs
index dd45dcac..2a5d26d2 100644
--- a/Scripts/UI/Internal/JsonDataSupport.cs
+++ b/Scripts/UI/Internal/JsonDataSupport.cs
@@ -3,7 +3,7 @@ using System;
 
 namespace XCharts
 {
-    public class JsonDataSupport: IJsonData,ISerializationCallbackReceiver
+    public class JsonDataSupport : IJsonData, ISerializationCallbackReceiver
     {
         [SerializeField] protected string m_JsonData;
         [SerializeField] protected bool m_DataFromJson;
diff --git a/Scripts/UI/Internal/Legend.cs b/Scripts/UI/Internal/Legend.cs
index ef3fce46..041e6ce8 100644
--- a/Scripts/UI/Internal/Legend.cs
+++ b/Scripts/UI/Internal/Legend.cs
@@ -72,7 +72,7 @@ namespace XCharts
 
         public override bool Equals(object obj)
         {
-            if(ReferenceEquals(null, obj))
+            if (ReferenceEquals(null, obj))
             {
                 return false;
             }
@@ -128,7 +128,7 @@ namespace XCharts
         public bool IsActive(string name)
         {
             if (string.IsNullOrEmpty(name)) return true;
-            for(int i = 0; i < data.Count; i++)
+            for (int i = 0; i < data.Count; i++)
             {
                 if (data[i].Equals(name)) return m_DataActiveList[i];
             }
@@ -204,7 +204,7 @@ namespace XCharts
             btn.GetComponentInChildren<Text>().text = data[index];
         }
 
-        public void UpdateButtonColor(int index,Color ableColor,Color unableColor)
+        public void UpdateButtonColor(int index, Color ableColor, Color unableColor)
         {
             if (IsActive(index))
             {
diff --git a/Scripts/UI/Internal/Serie.cs b/Scripts/UI/Internal/Serie.cs
index 3254842d..2a1a81b3 100644
--- a/Scripts/UI/Internal/Serie.cs
+++ b/Scripts/UI/Internal/Serie.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using UnityEngine;
 
 namespace XCharts
@@ -94,7 +93,7 @@ namespace XCharts
             m_Data.Add(value);
         }
 
-        public float GetData(int index,DataZoom dataZoom = null)
+        public float GetData(int index, DataZoom dataZoom = null)
         {
             var showData = GetData(dataZoom);
             if (index >= 0 && index <= showData.Count - 1)
@@ -133,7 +132,7 @@ namespace XCharts
                 {
                     filterStart = startIndex;
                     filterEnd = endIndex;
-                    if(m_Data.Count > 0)
+                    if (m_Data.Count > 0)
                     {
                         var count = endIndex == startIndex ? 1 : endIndex - startIndex + 1;
                         filterData = m_Data.GetRange(startIndex, count);
diff --git a/Scripts/UI/Internal/Series.cs b/Scripts/UI/Internal/Series.cs
index 0f186223..48e1e873 100644
--- a/Scripts/UI/Internal/Series.cs
+++ b/Scripts/UI/Internal/Series.cs
@@ -211,10 +211,10 @@ namespace XCharts
                 {
                     if (IsActive(i))
                     {
-                        if(dataZoom != null && dataZoom.show)
+                        if (dataZoom != null && dataZoom.show)
                         {
                             var showData = m_Series[i].GetData(dataZoom);
-                            foreach(var data in showData)
+                            foreach (var data in showData)
                             {
                                 if (data > max) max = data;
                                 if (data < min) min = data;
diff --git a/Scripts/UI/Internal/Title.cs b/Scripts/UI/Internal/Title.cs
index e9e713f3..50e01c8b 100644
--- a/Scripts/UI/Internal/Title.cs
+++ b/Scripts/UI/Internal/Title.cs
@@ -1,11 +1,10 @@
 using UnityEngine;
-using System.Collections;
 using System;
 
 namespace XCharts
 {
     [Serializable]
-    public class Title: IPropertyChanged,IEquatable<Title>
+    public class Title : IPropertyChanged, IEquatable<Title>
     {
         [SerializeField] private bool m_Show;
         [SerializeField] private string m_Text;
@@ -17,7 +16,7 @@ namespace XCharts
 
         public bool show { get { return m_Show; } set { m_Show = value; } }
         public string text { get { return m_Text; } set { m_Text = value; } }
-        public int textFontSize { get { return m_TextFontSize; }set { m_TextFontSize = value; } }
+        public int textFontSize { get { return m_TextFontSize; } set { m_TextFontSize = value; } }
         public string subText { get { return m_SubText; } set { m_Text = value; } }
         public int subTextFontSize { get { return m_SubTextFontSize; } set { m_SubTextFontSize = value; } }
         public float itemGap { get { return m_ItemGap; } set { m_ItemGap = value; } }
diff --git a/Scripts/UI/Internal/Tooltip.cs b/Scripts/UI/Internal/Tooltip.cs
index b5dea368..75df258b 100644
--- a/Scripts/UI/Internal/Tooltip.cs
+++ b/Scripts/UI/Internal/Tooltip.cs
@@ -21,7 +21,7 @@ namespace XCharts
         [NonSerialized] private RectTransform m_LabelRectX;
         [NonSerialized] private RectTransform m_LabelRectY;
 
-        public bool show { get { return m_Show; }set { m_Show = value; SetActive(value); } }
+        public bool show { get { return m_Show; } set { m_Show = value; SetActive(value); } }
         public bool crossLabel { get { return m_CrossLabel; } set { m_CrossLabel = value; } }
 
         public int dataIndex { get; set; }
@@ -47,6 +47,7 @@ namespace XCharts
         public void SetObj(GameObject obj)
         {
             m_GameObject = obj;
+            m_GameObject.SetActive(false);
         }
 
         public void SetContentObj(GameObject content)
@@ -56,7 +57,7 @@ namespace XCharts
             m_ContentText = m_Content.GetComponentInChildren<Text>();
         }
 
-        public void SetLabelObj(GameObject labelX,GameObject labelY)
+        public void SetLabelObj(GameObject labelX, GameObject labelY)
         {
             m_LabelX = labelX;
             m_LabelRectX = labelX.GetComponent<RectTransform>();
@@ -64,6 +65,8 @@ namespace XCharts
             m_LabelY = labelY;
             m_LabelRectY = labelY.GetComponent<RectTransform>();
             m_LabelTextY = labelY.GetComponentInChildren<Text>();
+            m_LabelX.SetActive(false);
+            m_LabelY.SetActive(false);
         }
 
         public void SetContentBackgroundColor(Color color)
@@ -96,17 +99,17 @@ namespace XCharts
             if (m_ContentText)
             {
                 m_ContentText.text = txt;
-                m_ContentRect.sizeDelta = new Vector2(m_ContentText.preferredWidth + 8, 
+                m_ContentRect.sizeDelta = new Vector2(m_ContentText.preferredWidth + 8,
                     m_ContentText.preferredHeight + 8);
             }
         }
 
-        public void UpdateLabelText(string labelX,string labelY)
+        public void UpdateLabelText(string labelX, string labelY)
         {
             if (m_LabelTextX)
             {
                 m_LabelTextX.text = labelX;
-                m_LabelRectX.sizeDelta = new Vector2(m_LabelTextX.preferredWidth + 8, 
+                m_LabelRectX.sizeDelta = new Vector2(m_LabelTextX.preferredWidth + 8,
                     m_LabelTextX.preferredHeight + 8);
             }
             if (m_LabelTextY)
@@ -132,11 +135,11 @@ namespace XCharts
 
         public void UpdateContentPos(Vector2 pos)
         {
-            if(m_Content)
+            if (m_Content)
                 m_Content.transform.localPosition = pos;
         }
 
-        public void UpdateLabelPos(Vector2 xLabelPos,Vector2 yLabelPos)
+        public void UpdateLabelPos(Vector2 xLabelPos, Vector2 yLabelPos)
         {
             if (m_LabelX)
             {
diff --git a/Scripts/UI/PieChart.cs b/Scripts/UI/PieChart.cs
index 254feacb..5e8277e9 100644
--- a/Scripts/UI/PieChart.cs
+++ b/Scripts/UI/PieChart.cs
@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.Text;
 using UnityEngine;
 using UnityEngine.UI;
 
@@ -20,7 +19,7 @@ namespace XCharts
         public override void AddData(string legend, float value)
         {
             m_Legend.AddData(legend);
-            var serie = m_Series.AddData(legend,value);
+            var serie = m_Series.AddData(legend, value);
             if (serie != null)
             {
                 serie.ClearData();
@@ -56,7 +55,7 @@ namespace XCharts
                     continue;
                 }
                 var data = m_Series.series[i].data;
-                if(data.Count <= 0)
+                if (data.Count <= 0)
                 {
                     m_AngleList.Add(0);
                     continue;