diff --git a/Documentation~/zh/changelog.md b/Documentation~/zh/changelog.md
index 1f0a77ed..5b5b023f 100644
--- a/Documentation~/zh/changelog.md
+++ b/Documentation~/zh/changelog.md
@@ -80,6 +80,7 @@ slug: /changelog
 
 ## master
 
+* (2025.09.05) 优化`MarkLine`的表现
 * (2025.09.01) 增加`AxisLine`的`startExtendLength`和`endExtendLength`设置轴线的延长线
 * (2025.08.27) 修复`Serie`的`TitleStyle`在数据变更时不及时刷新的问题
 * (2025.05.19) 修复`TMP`开启时`Axis`运行报错
diff --git a/Runtime/Component/Mark/MarkLineHandler.cs b/Runtime/Component/Mark/MarkLineHandler.cs
index 754dccfc..9aa6234a 100644
--- a/Runtime/Component/Mark/MarkLineHandler.cs
+++ b/Runtime/Component/Mark/MarkLineHandler.cs
@@ -292,17 +292,19 @@ namespace XCharts.Runtime
             switch (data.type)
             {
                 case MarkLineType.Min:
-                    var serieData = SerieHelper.GetMinSerieData(serie, data.dimension, dataZoom);
+                    var serieData = SerieHelper.GetMinSerieData(serie, data.dimension, null);
                     data.runtimeValue = serieData.GetData(data.dimension);
                     var pX = GetAxisPosition(grid, xAxis, dataZoom, serieDataCount, serieData.index);
                     var pY = GetAxisPosition(grid, yAxis, dataZoom, serieDataCount, data.runtimeValue);
-                    return new Vector3(pX, pY);
+                    //return new Vector3(pX, pY);
+                    return serieData.context.position;
                 case MarkLineType.Max:
-                    serieData = SerieHelper.GetMaxSerieData(serie, data.dimension, dataZoom);
+                    serieData = SerieHelper.GetMaxSerieData(serie, data.dimension, null);
                     data.runtimeValue = serieData.GetData(data.dimension);
                     pX = GetAxisPosition(grid, xAxis, dataZoom, serieDataCount, serieData.index);
                     pY = GetAxisPosition(grid, yAxis, dataZoom, serieDataCount, data.runtimeValue);
-                    return new Vector3(pX, pY);
+                    //return new Vector3(pX, pY);
+                    return serieData.context.position;
                 case MarkLineType.Custom:
                     if (data.zeroPosition)
                     {