diff --git a/Assets/XCharts/Demo/Runtime/Demo_Test.cs b/Assets/XCharts/Demo/Runtime/Demo_Test.cs
index 953deaec..78487be2 100644
--- a/Assets/XCharts/Demo/Runtime/Demo_Test.cs
+++ b/Assets/XCharts/Demo/Runtime/Demo_Test.cs
@@ -14,7 +14,6 @@ namespace XCharts
     [ExecuteInEditMode]
     public class Demo_Test : MonoBehaviour
     {
-        private float updateTime = 0;
         BaseChart chart;
         void Awake()
         {
diff --git a/Assets/XCharts/Runtime/Component/Sub/SerieLabel.cs b/Assets/XCharts/Runtime/Component/Sub/SerieLabel.cs
index b8fd5c5f..fc870126 100644
--- a/Assets/XCharts/Runtime/Component/Sub/SerieLabel.cs
+++ b/Assets/XCharts/Runtime/Component/Sub/SerieLabel.cs
@@ -102,7 +102,6 @@ namespace XCharts
         [SerializeField] private float m_BorderWidth = 0.5f;
         [SerializeField] private Color m_BorderColor = Color.grey;
         [SerializeField] private bool m_ForceENotation = false;
-        [NonSerialized] private bool m_LabelDirty = false;
 
         /// <summary>
         /// Whether the label is showed.
diff --git a/Assets/XCharts/Runtime/Component/Sub/SerieSymbol.cs b/Assets/XCharts/Runtime/Component/Sub/SerieSymbol.cs
index 277ef9a0..0acb99cd 100644
--- a/Assets/XCharts/Runtime/Component/Sub/SerieSymbol.cs
+++ b/Assets/XCharts/Runtime/Component/Sub/SerieSymbol.cs
@@ -87,8 +87,6 @@ namespace XCharts
         [SerializeField] private float m_SelectedDataScale = 1.5f;
         [SerializeField] private SymbolSizeCallback m_SizeCallback;
         [SerializeField] private SymbolSizeCallback m_SelectedSizeCallback;
-        [SerializeField] private Color m_Color;
-        [SerializeField] [Range(0, 1)] private float m_Opacity = 1;
         [SerializeField] private int m_StartIndex;
         [SerializeField] private int m_Interval;
         [SerializeField] private bool m_ForceShowLast = false;
diff --git a/Assets/XCharts/Runtime/Component/Sub/TextStyle.cs b/Assets/XCharts/Runtime/Component/Sub/TextStyle.cs
index f347feee..e6ac3700 100644
--- a/Assets/XCharts/Runtime/Component/Sub/TextStyle.cs
+++ b/Assets/XCharts/Runtime/Component/Sub/TextStyle.cs
@@ -25,10 +25,10 @@ namespace XCharts
         [SerializeField] private int m_FontSize = 18;
         [SerializeField] private FontStyle m_FontStyle = FontStyle.Normal;
         [SerializeField] private float m_LineSpacing = 1f;
-        [SerializeField] private float m_PaddingLeft = 0f;
-        [SerializeField] private float m_PaddingRight = 0f;
-        [SerializeField] private float m_PaddingTop = 0f;
-        [SerializeField] private float m_PaddingBottom = 0f;
+        // [SerializeField] private float m_PaddingLeft = 0f;
+        // [SerializeField] private float m_PaddingRight = 0f;
+        // [SerializeField] private float m_PaddingTop = 0f;
+        // [SerializeField] private float m_PaddingBottom = 0f;
 
         /// <summary>
         /// Rotation of text.
diff --git a/Assets/XCharts/Runtime/Helper/LegendHelper.cs b/Assets/XCharts/Runtime/Helper/LegendHelper.cs
index e0033ec3..e115e453 100644
--- a/Assets/XCharts/Runtime/Helper/LegendHelper.cs
+++ b/Assets/XCharts/Runtime/Helper/LegendHelper.cs
@@ -55,7 +55,7 @@ namespace XCharts
             ChartHelper.GetOrAddComponent<Button>(btnObj);
             ChartHelper.GetOrAddComponent<Image>(iconObj);
             ChartHelper.GetOrAddComponent<Image>(contentObj);
-            Text txt = ChartHelper.AddTextObject("Text", contentObj.transform, font, contentColor,
+            ChartHelper.AddTextObject("Text", contentObj.transform, font, contentColor,
                     TextAnchor.MiddleLeft, anchorMin, anchorMax, pivot, sizeDelta, textStyle.fontSize,
                     textStyle.rotate, textStyle.fontStyle, textStyle.lineSpacing);
             var item = new LegendItem();
diff --git a/Assets/XCharts/Runtime/Internal/BaseChart.cs b/Assets/XCharts/Runtime/Internal/BaseChart.cs
index 99981b3c..8c4b56ea 100644
--- a/Assets/XCharts/Runtime/Internal/BaseChart.cs
+++ b/Assets/XCharts/Runtime/Internal/BaseChart.cs
@@ -51,13 +51,11 @@ namespace XCharts
         [SerializeField] protected Action<VertexHelper> m_CustomDrawCallback;
 
         [NonSerialized] private Theme m_CheckTheme = 0;
-        [NonSerialized] private Legend m_CheckLegend = Legend.defaultLegend;
         [NonSerialized] private float m_CheckWidth = 0;
         [NonSerialized] private float m_CheckHeight = 0;
         [NonSerialized] private Vector2 m_CheckMinAnchor;
         [NonSerialized] private Vector2 m_CheckMaxAnchor;
 
-        [NonSerialized] private float m_CheckSerieCount = 0;
         [NonSerialized] protected bool m_RefreshChart = false;
         [NonSerialized] protected bool m_RefreshLabel = false;
         [NonSerialized] protected bool m_ReinitLabel = false;
@@ -296,7 +294,6 @@ namespace XCharts
                 if (!m_Series.IsLegalLegendName(datas[i])) continue;
                 string legendName = m_Legend.GetFormatterContent(datas[i]);
                 var readIndex = m_LegendRealShowName.IndexOf(datas[i]);
-                var objName = s_LegendObjectName + "_" + i + "_" + datas[i];
                 var active = IsActiveByLegend(datas[i]);
                 var bgColor = LegendHelper.GetIconColor(m_Legend, readIndex, themeInfo, active);
                 var item = LegendHelper.AddLegendItem(m_Legend, i, datas[i], legendObject.transform, m_ThemeInfo,
diff --git a/Assets/XCharts/Runtime/Internal/CoordinateChart_DrawLine.cs b/Assets/XCharts/Runtime/Internal/CoordinateChart_DrawLine.cs
index 5386a715..e95cbc3a 100644
--- a/Assets/XCharts/Runtime/Internal/CoordinateChart_DrawLine.cs
+++ b/Assets/XCharts/Runtime/Internal/CoordinateChart_DrawLine.cs
@@ -171,7 +171,6 @@ namespace XCharts
             lp = startPos;
             stPos1 = stPos2 = lastDir = lastDnPos = Vector3.zero;
             smoothStartPosUp = smoothStartPosDn = Vector3.zero;
-            int dataCount = endIndex - startIndex;
             float currDetailProgress = lp.x;
             float totalDetailProgress = endPos.x;
             serie.animation.InitProgress(serie.dataPoints.Count, currDetailProgress, totalDetailProgress);
diff --git a/Assets/XCharts/Runtime/PieChart.cs b/Assets/XCharts/Runtime/PieChart.cs
index 2b5ce511..55454129 100644
--- a/Assets/XCharts/Runtime/PieChart.cs
+++ b/Assets/XCharts/Runtime/PieChart.cs
@@ -570,7 +570,6 @@ namespace XCharts
             return angle;
         }
 
-        StringBuilder sb = new StringBuilder();
         protected override void UpdateTooltip()
         {
             base.UpdateTooltip();
diff --git a/Assets/XCharts/Runtime/RingChart.cs b/Assets/XCharts/Runtime/RingChart.cs
index 1cd0966d..38cc2c1d 100644
--- a/Assets/XCharts/Runtime/RingChart.cs
+++ b/Assets/XCharts/Runtime/RingChart.cs
@@ -320,7 +320,6 @@ namespace XCharts
             return angle;
         }
 
-        StringBuilder sb = new StringBuilder();
         protected override void UpdateTooltip()
         {
             base.UpdateTooltip();