diff --git a/Documentation~/zh/changelog.md b/Documentation~/zh/changelog.md
index 6440c8a8..630e3c65 100644
--- a/Documentation~/zh/changelog.md
+++ b/Documentation~/zh/changelog.md
@@ -69,6 +69,7 @@ slug: /changelog
 
 ## master
 
+* (2023.10.19) 修复`Pie`设置玫瑰图时引导线异常的问题
 * (2023.10.15) 修复`Line`设置`Animation`为`AlongPath`时动画异常的问题 (#281)
 * (2023.10.12) 修复`MarkLine`指定`yValue`时对数值轴无效的问题
 * (2023.10.11) 修复`Serie`的`showDataDimension`设置无效的问题
diff --git a/Runtime/Serie/Pie/PieHandler.cs b/Runtime/Serie/Pie/PieHandler.cs
index 00fa2b43..76a7cded 100644
--- a/Runtime/Serie/Pie/PieHandler.cs
+++ b/Runtime/Serie/Pie/PieHandler.cs
@@ -464,10 +464,11 @@ namespace XCharts.Runtime
             var rad = Mathf.Deg2Rad * serieData.context.halfAngle;
             var lineLength1 = ChartHelper.GetActualValue(labelLine.lineLength1, serie.context.outsideRadius);
             var lineLength2 = ChartHelper.GetActualValue(labelLine.lineLength2, serie.context.outsideRadius);
+            var radius = lineLength1 + serie.context.outsideRadius - serieData.context.outsideRadius;
             var pos1 = startPosition;
-            var pos2 = pos1 + new Vector3(Mathf.Sin(rad) * lineLength1, Mathf.Cos(rad) * lineLength1);
+            var pos2 = pos1 + new Vector3(Mathf.Sin(rad) * radius, Mathf.Cos(rad) * radius);
             var pos5 = labelLine.lineType == LabelLine.LineType.HorizontalLine
-                ? pos1 + dire * (lineLength1 + lineLength2) + labelLine.GetEndSymbolOffset()
+                ? pos1 + dire * (radius + lineLength2) + labelLine.GetEndSymbolOffset()
                 : pos2 + dire * lineLength2 + labelLine.GetEndSymbolOffset();
             if (labelLine.lineEndX != 0)
             {