diff --git a/Documentation~/zh/changelog.md b/Documentation~/zh/changelog.md
index 0e29e75e..b01e6d4e 100644
--- a/Documentation~/zh/changelog.md
+++ b/Documentation~/zh/changelog.md
@@ -74,6 +74,7 @@ slug: /changelog
 
 日志详情：
 
+* (2023.07.31) 优化`Line`的默认配置效果
 * (2023.07.27) 增加`Serie`的`minRadius`可设置最小半径
 * (2023.07.26) 增加`MLValue`多样式数值
 * (2023.07.25) 增加`XLog`日志系统
diff --git a/Examples/Example_TestSerie.cs b/Examples/Example_TestSerie.cs
index 43ce786b..ed0e7269 100644
--- a/Examples/Example_TestSerie.cs
+++ b/Examples/Example_TestSerie.cs
@@ -8,7 +8,6 @@ namespace XCharts.Example
     [DisallowMultipleComponent]
     public class Example_TestSerie : MonoBehaviour
     {
-        public int maxCache = 100;
         BaseChart chart;
         int timestamp;
 
@@ -23,6 +22,14 @@ namespace XCharts.Example
                 chart.GetSerie(0).radius[1] = Random.Range(50, 80);
                 chart.SetAllDirty();
             }
+            else if (Input.GetKeyDown(KeyCode.W))
+            {
+                chart.GetSerie(0).lineStyle.width = Random.Range(1, 5);
+            }
+            else if (Input.GetKeyDown(KeyCode.S))
+            {
+                chart.GetSerie(0).symbol.size = Random.Range(1, 10);
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/Runtime/Serie/Line/Line.cs b/Runtime/Serie/Line/Line.cs
index 395ef27b..3a928bde 100644
--- a/Runtime/Serie/Line/Line.cs
+++ b/Runtime/Serie/Line/Line.cs
@@ -31,6 +31,7 @@ namespace XCharts.Runtime
         {
             var serie = chart.AddSerie<Line>(serieName);
             serie.symbol.show = true;
+            serie.animation.interaction.radius.value = 1.5f;
             for (int i = 0; i < 5; i++)
             {
                 chart.AddData(serie.index, UnityEngine.Random.Range(10, 90));
diff --git a/Runtime/Serie/Serie.cs b/Runtime/Serie/Serie.cs
index d7cc8346..103d2bd6 100644
--- a/Runtime/Serie/Serie.cs
+++ b/Runtime/Serie/Serie.cs
@@ -1044,7 +1044,7 @@ namespace XCharts.Runtime
         public override void SetVerticesDirty()
         {
             base.SetVerticesDirty();
-            handler.ForceUpdateSerieContext();
+            interactDirty = true;
         }
 
         private bool AnySerieDataVerticesDirty()
@@ -1082,6 +1082,7 @@ namespace XCharts.Runtime
         public bool labelDirty { get; set; }
         public bool titleDirty { get; set; }
         public bool dataDirty { get; set; }
+        public bool interactDirty { get; set; }
 
         private void SetSerieNameDirty()
         {
diff --git a/Runtime/Serie/SerieHandler.cs b/Runtime/Serie/SerieHandler.cs
index 648c4d09..f89c3a49 100644
--- a/Runtime/Serie/SerieHandler.cs
+++ b/Runtime/Serie/SerieHandler.cs
@@ -132,6 +132,11 @@ namespace XCharts.Runtime
                 serie.ResetInteract();
                 serie.ClearVerticesDirty();
             }
+            if (serie.interactDirty)
+            {
+                serie.interactDirty = false;
+                m_ForceUpdateSerieContext = true;
+            }
             UpdateSerieContextInternal();
         }
 
diff --git a/Runtime/Serie/SerieHelper.cs b/Runtime/Serie/SerieHelper.cs
index 8d4fccf4..4c9b435c 100644
--- a/Runtime/Serie/SerieHelper.cs
+++ b/Runtime/Serie/SerieHelper.cs
@@ -646,7 +646,7 @@ namespace XCharts.Runtime
             if (stateStyle == null)
             {
                 var itemStyle = GetItemStyle(serie, serieData, SerieState.Normal);
-                border = itemStyle.borderWidth != 0 ? itemStyle.borderWidth : serie.lineStyle.GetWidth(theme.serie.lineWidth);
+                border = itemStyle.borderWidth != 0 ? itemStyle.borderWidth : serie.lineStyle.GetWidth(theme.serie.lineWidth) * 1.8f;
                 cornerRadius = itemStyle.cornerRadius;
                 GetColor(ref borderColor, itemStyle.borderColor, itemStyle.borderColor, 1, theme, -1);
                 switch (state)
@@ -667,7 +667,7 @@ namespace XCharts.Runtime
             else
             {
                 var itemStyle = stateStyle.itemStyle;
-                border = itemStyle.borderWidth != 0 ? itemStyle.borderWidth : stateStyle.lineStyle.GetWidth(theme.serie.lineWidth);
+                border = itemStyle.borderWidth != 0 ? itemStyle.borderWidth : stateStyle.lineStyle.GetWidth(theme.serie.lineWidth) * 1.8f;
                 cornerRadius = itemStyle.cornerRadius;
                 GetColor(ref borderColor, stateStyle.itemStyle.borderColor, ColorUtil.clearColor32, 1, theme, -1);
             }