diff --git a/Runtime/API/BaseChart_API.cs b/Runtime/API/BaseChart_API.cs
index 81f0e043..f2c3b461 100644
--- a/Runtime/API/BaseChart_API.cs
+++ b/Runtime/API/BaseChart_API.cs
@@ -18,6 +18,23 @@ namespace XCharts
     /// </summary>
     public partial class BaseChart
     {
+        /// <summary>
+        /// The name of chart.
+        /// </summary>
+        public string chartName
+        {
+            get { return m_ChartName; }
+            set
+            {
+                if (XChartsMgr.Instance.ContainsChart(value)) Debug.LogError("chartName repeated:" + value);
+                else
+                {
+                    m_ChartName = value;
+                    m_ChartUUID = value;
+                }
+            }
+        }
+        public string chartUUID { get { return m_ChartUUID; } }
         /// <summary>
         /// The theme info.
         /// </summary>
diff --git a/Runtime/Internal/BaseChart.cs b/Runtime/Internal/BaseChart.cs
index 851995af..14eb6055 100644
--- a/Runtime/Internal/BaseChart.cs
+++ b/Runtime/Internal/BaseChart.cs
@@ -39,6 +39,8 @@ namespace XCharts
         protected static readonly string s_SerieLabelObjectName = "label";
         protected static readonly string s_SerieTitleObjectName = "serie";
 
+        [SerializeField] protected string m_ChartName;
+        [SerializeField] protected string m_ChartUUID;
         [SerializeField] protected float m_ChartWidth;
         [SerializeField] protected float m_ChartHeight;
         [SerializeField] protected float m_ChartX;
@@ -97,6 +99,7 @@ namespace XCharts
             InitComponent();
             m_Series.AnimationReset();
             m_Series.AnimationFadeIn();
+            XChartsMgr.Instance.AddChart(this);
         }
 
         protected override void Start()
diff --git a/Runtime/Internal/CoordinateChart.cs b/Runtime/Internal/CoordinateChart.cs
index b83c4485..4427958e 100644
--- a/Runtime/Internal/CoordinateChart.cs
+++ b/Runtime/Internal/CoordinateChart.cs
@@ -17,7 +17,6 @@ namespace XCharts
     {
         private static readonly string s_DefaultDataZoom = "datazoom";
         private static readonly string s_DefaultAxisName = "name";
-        private static readonly string s_DefaultAxisLabel = "label";
 
         [SerializeField] protected Grid m_Grid = Grid.defaultGrid;
         [SerializeField] protected List<XAxis> m_XAxises = new List<XAxis>();
diff --git a/Runtime/Utility/ChartCached.cs b/Runtime/Utility/ChartCached.cs
index 8fb2e672..588ac03a 100644
--- a/Runtime/Utility/ChartCached.cs
+++ b/Runtime/Utility/ChartCached.cs
@@ -22,7 +22,6 @@ namespace XCharts
         private static CultureInfo ci = new CultureInfo("en-us");// "en-us", "zh-cn", "ar-iq", "de-de"
         private static Dictionary<Color, string> s_ColorToStr = new Dictionary<Color, string>(100);
         private static Dictionary<int, string> s_SerieLabelName = new Dictionary<int, string>(1000);
-        private static Dictionary<int, string> s_AxisLabelName = new Dictionary<int, string>(1000);
         private static Dictionary<Color, string> s_ColorDotStr = new Dictionary<Color, string>(100);
         private static Dictionary<int, string> s_XAxisName = new Dictionary<int, string>();
         private static Dictionary<int, string> s_YAxisName = new Dictionary<int, string>();
diff --git a/Runtime/Utility/ChartDrawer.cs b/Runtime/Utility/ChartDrawer.cs
index 602c2032..2a1f269c 100644
--- a/Runtime/Utility/ChartDrawer.cs
+++ b/Runtime/Utility/ChartDrawer.cs
@@ -16,7 +16,6 @@ namespace XCharts
     public static class ChartDrawer
     {
         private static readonly Vector2 zeroVector2 = Vector2.zero;
-        private static readonly Vector3 zeroVector3 = Vector3.zero;
         private static UIVertex[] vertex = new UIVertex[4];
         private static List<Vector3> s_CurvesPosList = new List<Vector3>();
 
diff --git a/Runtime/Utility/XChartsMgr.cs b/Runtime/Utility/XChartsMgr.cs
index a6391c38..404d659e 100644
--- a/Runtime/Utility/XChartsMgr.cs
+++ b/Runtime/Utility/XChartsMgr.cs
@@ -1,3 +1,4 @@
+
 /******************************************/
 /*                                        */
 /*     Copyright (c) 2018 monitor1394     */
@@ -8,9 +9,11 @@
 using System.Text;
 
 using System.Collections;
-using UnityEngine;
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
+using UnityEngine;
 using UnityEngine.Networking;
+using UnityEngine.SceneManagement;
 
 namespace XCharts
 {
@@ -23,6 +26,7 @@ namespace XCharts
         public string homepage = "";
     }
 
+    [ExecuteInEditMode]
     public class XChartsMgr : MonoBehaviour
     {
         public const string version = "1.4.0";
@@ -30,7 +34,7 @@ namespace XCharts
 
         [SerializeField] private string m_NowVersion;
         [SerializeField] private string m_NewVersion;
-
+        private Dictionary<string, BaseChart> m_ChartDic = new Dictionary<string, BaseChart>();
         private static XChartsMgr m_XCharts;
 
         public static XChartsMgr Instance
@@ -216,5 +220,43 @@ namespace XCharts
             return request.isHttpError;
         }
 #endif
+
+        void OnEnable()
+        {
+            SceneManager.sceneUnloaded += OnSceneLoaded;
+        }
+
+        private void OnDisable()
+        {
+            SceneManager.sceneUnloaded -= OnSceneLoaded;
+        }
+
+        void OnSceneLoaded(Scene scene)
+        {
+            SerieLabelPool.ClearAll();
+        }
+
+        public void AddChart(BaseChart chart)
+        {
+            //TODO:
+        }
+
+        public BaseChart GetChart(string uuid)
+        {
+            return m_ChartDic[uuid];
+        }
+
+        public void RemoveChart(string uuid)
+        {
+            if (m_ChartDic.ContainsKey(uuid))
+            {
+                m_ChartDic.Remove(uuid);
+            }
+        }
+
+        public bool ContainsChart(string uuid)
+        {
+            return m_ChartDic.ContainsKey(uuid);
+        }
     }
 }
\ No newline at end of file