diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7d156c8..7a9b2fcf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -58,7 +58,8 @@
 
 ## master
 
-* (2022.08.30) 修复`DataZoom`某些情况下计算范围不准确的问题 (#221)
+* (2022.08.30) 优化`RadarChart`
+* (2022.08.30) 修复`DataZoom`在某些情况下计算范围不准确的问题 (#221)
 * (2022.08.29) 优化`BarChart`在数据过密时的默认表现
 * (2022.08.29) 优化`YAxis`在开启`DataZoom`时的最大最小值计算
 * (2022.08.29) 优化`CandlestickChart`大量数据绘制
diff --git a/Runtime/Component/Radar/RadarCoord.cs b/Runtime/Component/Radar/RadarCoord.cs
index 5b0cb039..0af7d4be 100644
--- a/Runtime/Component/Radar/RadarCoord.cs
+++ b/Runtime/Component/Radar/RadarCoord.cs
@@ -385,7 +385,7 @@ namespace XCharts.Runtime
             SetAllDirty();
         }
 
-        public RadarCoord.Indicator AddIndicator(string name, float min, float max)
+        public RadarCoord.Indicator AddIndicator(string name, double min, double max)
         {
             var indicator = new RadarCoord.Indicator();
             indicator.name = name;
@@ -396,7 +396,14 @@ namespace XCharts.Runtime
             return indicator;
         }
 
-        public bool UpdateIndicator(int indicatorIndex, string name, float min, float max)
+        [Since("v3.3.0")]
+        public void AddIndicatorList(List<string> nameList, double min = 0, double max = 0)
+        {
+            foreach (var name in nameList)
+                AddIndicator(name, min, max);
+        }
+
+        public bool UpdateIndicator(int indicatorIndex, string name, double min, double max)
         {
             var indicator = GetIndicator(indicatorIndex);
             if (indicator == null) return false;
diff --git a/Runtime/Component/Radar/RadarCoordHandler.cs b/Runtime/Component/Radar/RadarCoordHandler.cs
index 4c72ccb8..18adea9b 100644
--- a/Runtime/Component/Radar/RadarCoordHandler.cs
+++ b/Runtime/Component/Radar/RadarCoordHandler.cs
@@ -87,6 +87,7 @@ namespace XCharts.Runtime
             var lineType = radar.axisLine.GetType(chart.theme.axis.lineType);
             var splitLineColor = radar.splitLine.GetColor(chart.theme.axis.splitLineColor);
             var splitLineWidth = radar.splitLine.GetWidth(chart.theme.axis.splitLineWidth);
+            splitLineWidth *= 2f;
             for (int i = 0; i < radar.splitNumber; i++)
             {
                 var color = radar.splitArea.GetColor(i, chart.theme.axis);
diff --git a/Runtime/Serie/Radar/Radar.cs b/Runtime/Serie/Radar/Radar.cs
index 924669e4..4aa23261 100644
--- a/Runtime/Serie/Radar/Radar.cs
+++ b/Runtime/Serie/Radar/Radar.cs
@@ -25,7 +25,7 @@ namespace XCharts.Runtime
 
         public int containerIndex { get; internal set; }
         public int containterInstanceId { get; internal set; }
-        public override SerieColorBy defaultColorBy { get { return radarType == RadarType.Multiple?SerieColorBy.Serie : SerieColorBy.Data; } }
+        public override SerieColorBy defaultColorBy { get { return radarType == RadarType.Multiple?SerieColorBy.Data : SerieColorBy.Serie; } }
         public override bool multiDimensionLabel { get { return radarType == RadarType.Multiple; } }
 
         public static Serie AddDefaultSerie(BaseChart chart, string serieName)
diff --git a/Runtime/Serie/Radar/RadarHandler.cs b/Runtime/Serie/Radar/RadarHandler.cs
index c01e80bf..73ad790f 100644
--- a/Runtime/Serie/Radar/RadarHandler.cs
+++ b/Runtime/Serie/Radar/RadarHandler.cs
@@ -320,7 +320,6 @@ namespace XCharts.Runtime
                             serieData.interact.SetValue(ref interacting, symbolSize);
                             symbolSize = serie.animation.GetSysmbolSize(symbolSize);
                         }
-                        colorIndex = serie.colorByData ? m : colorIndex;
                         SerieHelper.GetItemColor(out symbolColor, out symbolToColor, out symbolEmptyColor, serie, serieData, chart.theme, colorIndex, serieState);
                         SerieHelper.GetSymbolInfo(out borderColor, out symbolBorder, out cornerRadius, serie, serieData, chart.theme, serieState);
                         chart.DrawSymbol(vh, symbol.type, symbolSize, symbolBorder, point, symbolColor,