diff --git a/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs b/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs
index 76b2ce88..736b9da4 100644
--- a/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs
+++ b/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs
@@ -179,7 +179,7 @@ namespace XCharts.Runtime
                     {
                         var outsideRaidus = totalWidth + radiusAxis.splitLine.GetWidth(chart.theme.axis.splitLineWidth) * 2;
                         var splitLineColor = radiusAxis.splitLine.GetColor(chart.theme.axis.splitLineColor);
-                        UGL.DrawDoughnut(vh, cenPos, totalWidth, outsideRaidus, splitLineColor, Color.clear);
+                        UGL.DrawDoughnut(vh, cenPos, totalWidth, outsideRaidus, splitLineColor, ColorUtil.clearColor32);
                     }
                 }
                 if (radiusAxis.show && radiusAxis.axisTick.show)
diff --git a/Runtime/Component/Background/Background.cs b/Runtime/Component/Background/Background.cs
index c989b3de..2d000def 100644
--- a/Runtime/Component/Background/Background.cs
+++ b/Runtime/Component/Background/Background.cs
@@ -10,7 +10,7 @@ namespace XCharts.Runtime
     /// </summary>
     [Serializable]
     [DisallowMultipleComponent]
-    [ComponentHandler(typeof(BackgroundHandler), false)]
+    [ComponentHandler(typeof(BackgroundHandler), false, 0)]
     public class Background : MainComponent
     {
         [SerializeField] private bool m_Show = true;
diff --git a/Runtime/Component/Background/BackgroundHandler.cs b/Runtime/Component/Background/BackgroundHandler.cs
index 88e481d4..0d780d38 100644
--- a/Runtime/Component/Background/BackgroundHandler.cs
+++ b/Runtime/Component/Background/BackgroundHandler.cs
@@ -49,7 +49,6 @@ namespace XCharts.Runtime
             var borderWidth = component.borderStyle.GetRuntimeBorderWidth();
             var borderColor = component.borderStyle.GetRuntimeBorderColor();
             var cornerRadius = component.borderStyle.GetRuntimeCornerRadius();
-
             UGL.DrawRoundRectangleWithBorder(vh, chart.chartRect, backgroundColor, backgroundColor, cornerRadius,
                 borderWidth, borderColor);
         }
diff --git a/Runtime/Coord/Grid/GridCoord.cs b/Runtime/Coord/Grid/GridCoord.cs
index 49586906..b4600250 100644
--- a/Runtime/Coord/Grid/GridCoord.cs
+++ b/Runtime/Coord/Grid/GridCoord.cs
@@ -17,10 +17,10 @@ namespace XCharts.Runtime
     {
         [SerializeField] private bool m_Show = true;
         [SerializeField][Since("v3.8.0")] private int m_LayoutIndex = -1;
-        [SerializeField] private float m_Left = 0.1f;
+        [SerializeField] private float m_Left = 0.11f;
         [SerializeField] private float m_Right = 0.08f;
         [SerializeField] private float m_Top = 0.22f;
-        [SerializeField] private float m_Bottom = 0.12f;
+        [SerializeField] private float m_Bottom = 0.14f;
         [SerializeField] private Color32 m_BackgroundColor;
         [SerializeField] private bool m_ShowBorder = false;
         [SerializeField] private float m_BorderWidth = 0f;
diff --git a/Runtime/Coord/Polar/PolarCoord.cs b/Runtime/Coord/Polar/PolarCoord.cs
index e0613d2b..58db2fde 100644
--- a/Runtime/Coord/Polar/PolarCoord.cs
+++ b/Runtime/Coord/Polar/PolarCoord.cs
@@ -13,8 +13,8 @@ namespace XCharts.Runtime
     public class PolarCoord : CoordSystem, ISerieContainer
     {
         [SerializeField] private bool m_Show = true;
-        [SerializeField] private float[] m_Center = new float[2] { 0.5f, 0.45f };
-        [SerializeField] private float[] m_Radius = new float[2] { 0, 0.35f };
+        [SerializeField] private float[] m_Center = new float[2] { 0.5f, 0.44f };
+        [SerializeField] private float[] m_Radius = new float[2] { 0, 0.31f };
         [SerializeField] private Color m_BackgroundColor;
         [SerializeField][Since("v3.8.0")] private float m_IndicatorLabelOffset = 30f;
 
diff --git a/Runtime/Serie/Heatmap/Heatmap.cs b/Runtime/Serie/Heatmap/Heatmap.cs
index cfd2d0ad..28397d0c 100644
--- a/Runtime/Serie/Heatmap/Heatmap.cs
+++ b/Runtime/Serie/Heatmap/Heatmap.cs
@@ -49,7 +49,7 @@ namespace XCharts.Runtime
         {
             var serie = chart.AddSerie<Heatmap>(serieName);
             serie.itemStyle.show = true;
-            serie.itemStyle.borderWidth = 1;
+            serie.itemStyle.borderWidth = 2;
             serie.itemStyle.borderColor = Color.clear;
             return serie;
         }
diff --git a/Runtime/Serie/Pie/Pie.cs b/Runtime/Serie/Pie/Pie.cs
index c6548ce4..14086a10 100644
--- a/Runtime/Serie/Pie/Pie.cs
+++ b/Runtime/Serie/Pie/Pie.cs
@@ -29,9 +29,9 @@ namespace XCharts.Runtime
         public static Serie AddDefaultSerie(BaseChart chart, string serieName)
         {
             var serie = chart.AddSerie<Pie>(serieName);
-            chart.AddData(serie.index, 70, "pie1");
-            chart.AddData(serie.index, 20, "pie2");
-            chart.AddData(serie.index, 10, "pie3");
+            chart.AddData(serie.index, Random.Range(10, 100), "pie1");
+            chart.AddData(serie.index, Random.Range(10, 100), "pie2");
+            chart.AddData(serie.index, Random.Range(10, 100), "pie3");
             return serie;
         }
 
diff --git a/Runtime/Serie/Serie.cs b/Runtime/Serie/Serie.cs
index 73cefb48..7b45d87c 100644
--- a/Runtime/Serie/Serie.cs
+++ b/Runtime/Serie/Serie.cs
@@ -278,7 +278,7 @@ namespace XCharts.Runtime
         [SerializeField] private bool m_ClickOffset = true;
         [SerializeField] private RoseType m_RoseType = RoseType.None;
         [SerializeField] private float m_Gap;
-        [SerializeField] private float[] m_Center = new float[2] { 0.5f, 0.48f };
+        [SerializeField] private float[] m_Center = new float[2] { 0.5f, 0.46f };
         [SerializeField] private float[] m_Radius = new float[2] { 0, 0.28f };
         [SerializeField][Since("v3.8.0")] private float m_MinRadius = 0f;
         [SerializeField][Since("v3.10.0")] private bool m_MinShowLabel = false;