diff --git a/common/changes/@visactor/vchart/fix-markline-autoRange_2025-11-06-08-18.json b/common/changes/@visactor/vchart/fix-markline-autoRange_2025-11-06-08-18.json
new file mode 100644
index 0000000000..4254c447f6
--- /dev/null
+++ b/common/changes/@visactor/vchart/fix-markline-autoRange_2025-11-06-08-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "fix: fix the issue of markline autoRange\n\n",
+      "type": "none",
+      "packageName": "@visactor/vchart"
+    }
+  ],
+  "packageName": "@visactor/vchart",
+  "email": "lixuef1313@163.com"
+}
\ No newline at end of file
diff --git a/packages/vchart/src/component/marker/utils.ts b/packages/vchart/src/component/marker/utils.ts
index c687fa208a..f2a69bd90b 100644
--- a/packages/vchart/src/component/marker/utils.ts
+++ b/packages/vchart/src/component/marker/utils.ts
@@ -187,7 +187,7 @@ export function xyLayout(
     data.latestData[0] && data.latestData[0].latestData ? data.latestData[0].latestData : data.latestData;
 
   const xAxisHelper = (relativeSeries as ICartesianSeries).getXAxisHelper();
-  const yAxisHelper = (relativeSeries as ICartesianSeries).getXAxisHelper();
+  const yAxisHelper = (relativeSeries as ICartesianSeries).getYAxisHelper();
 
   const xDomain = xAxisHelper.getScale(0).domain();
   const yDomain = yAxisHelper.getScale(0).domain();