diff --git a/Documentation~/zh/changelog.md b/Documentation~/zh/changelog.md
index 69df69e4..b43b6525 100644
--- a/Documentation~/zh/changelog.md
+++ b/Documentation~/zh/changelog.md
@@ -64,6 +64,7 @@ slug: /changelog
 
 ## master
 
+* (2022.11.19) 修复`Tooltip`指示的`Serie`数据项索引异常的问题
 * (2022.11.27) 优化`Axis`的`AxisName`的偏移设置
 * (2022.11.27) 优化`Comment`的位置，用`Location代替Position`
 * (2022.11.27) 优化`Tooltip`的`LineStyle`支持设置`Shadow`时的颜色
diff --git a/Runtime/Component/Tooltip/TooltipHandler.cs b/Runtime/Component/Tooltip/TooltipHandler.cs
index 2c2bb639..aa99ba18 100644
--- a/Runtime/Component/Tooltip/TooltipHandler.cs
+++ b/Runtime/Component/Tooltip/TooltipHandler.cs
@@ -283,8 +283,10 @@ namespace XCharts.Runtime
             {
                 if (isTriggerAxis)
                 {
+                    var index = serie.context.dataZoomStartIndex + (int) xAxis.context.pointerValue;
                     serie.context.pointerEnter = true;
-                    serie.context.pointerAxisDataIndexs.Add(serie.context.dataZoomStartIndex + (int) xAxis.context.pointerValue);
+                    serie.context.pointerAxisDataIndexs.Add(index);
+                    serie.context.pointerItemDataIndex = index;
                     xAxis.context.axisTooltipValue = xAxis.context.pointerValue;
                 }
             }