diff --git a/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/smp/MarkerDrawerManager.kt b/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/smp/MarkerDrawerManager.kt
index ff77607edf..595ea91c96 100644
--- a/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/smp/MarkerDrawerManager.kt
+++ b/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/smp/MarkerDrawerManager.kt
@@ -136,7 +136,8 @@ object MarkerDrawerManager {
             var baseDiffDis = CoordinateUtils.calculateLineDistance(
                 realLon, realLat, baseLatLng.longitude, baseLatLng.latitude
             ) // lon,lat, prelon, prelat
-            for (i in 1 until routePoints.size) {
+            val size = routePoints.size
+            for (i in 1 until size) {
                 val latLng = routePoints[i]
                 // 深拷贝数据用于高德地图上轨迹线的绘制
                 newPoints.add(LatLng(latLng.latitude, latLng.longitude))
@@ -160,7 +161,9 @@ object MarkerDrawerManager {
             }
             Log.d("MarkerDrawerManager", "当次计算已走过的点的索引为：$currentIndex，存储的上次索引为：$lastArrivedIndex")
             if (currentIndex < lastArrivedIndex) {
-                currentIndex = lastArrivedIndex
+                if (lastArrivedIndex < size) {
+                    currentIndex = lastArrivedIndex
+                }
             } else {
                 lastArrivedIndex = currentIndex
             }