diff --git a/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/map/IdentifyDataDrawer.java b/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/map/IdentifyDataDrawer.java
index 5d5ec92459..465578c37c 100644
--- a/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/map/IdentifyDataDrawer.java
+++ b/core/function-impl/mogo-core-function-map/src/main/java/com/mogo/eagle/core/function/map/IdentifyDataDrawer.java
@@ -127,7 +127,7 @@ public class IdentifyDataDrawer {
             MessagePad.TrackedObject cacheData = mMarkersCaches.get(uuid);
             if (cacheData != null) {
                 if (data.getSpeed() < 0.5) {
-                    data.toBuilder().setHeading(cacheData.getHeading()).setLongitude(cacheData.getLongitude()).setLatitude(cacheData.getLatitude()).build();
+                    data = data.toBuilder().setHeading(cacheData.getHeading()).setLongitude(cacheData.getLongitude()).setLatitude(cacheData.getLatitude()).build();
                 }
                 mFilterTrafficData.add(data);
                 //更新已存在的感知物体数据