diff --git a/dsLightRag/ChangZheng/1.html b/dsLightRag/ChangZheng/1.html
index 50fc1710..3ac97b50 100644
--- a/dsLightRag/ChangZheng/1.html
+++ b/dsLightRag/ChangZheng/1.html
@@ -117,30 +117,25 @@
     // 获取SVG路径的总长度
     const pathLength = route.getTotalLength();
 
-    // 计算SVG坐标系到页面坐标系的转换比例
-    function getScaleFactor() {
-      const viewBox = route.viewBox.baseVal;
-      const svgRect = route.closest('svg').getBoundingClientRect();
-      return {
-        x: svgRect.width / viewBox.width,
-        y: svgRect.height / viewBox.height
-      };
-    }
-
     // 根据进度百分比获取路径上的点
     function getPointOnPath(percent) {
       const distance = percent * pathLength / 100;
       const point = route.getPointAtLength(distance);
-      const scale = getScaleFactor();
       
-      // 获取SVG元素相对于页面的位置
-      const svgRect = route.closest('svg').getBoundingClientRect();
+      // 将SVG坐标转换为页面坐标
+      const svgPoint = route.ownerSVGElement.createSVGPoint();
+      svgPoint.x = point.x;
+      svgPoint.y = point.y;
+      
+      const matrix = route.ownerSVGElement.getScreenCTM();
+      const transformedPoint = svgPoint.matrixTransform(matrix);
+      
+      // 转换为相对于#map容器的坐标
       const mapRect = map.getBoundingClientRect();
       
-      // 计算红旗在页面上的位置
       return {
-        x: svgRect.left - mapRect.left + point.x * scale.x,
-        y: svgRect.top - mapRect.top + point.y * scale.y
+        x: transformedPoint.x - mapRect.left,
+        y: transformedPoint.y - mapRect.top
       };
     }