diff --git a/core/function-impl/mogo-core-function-biz/src/main/java/com/mogo/eagle/function/biz/v2x/v2n/pnc/V2NIdentifyDrawer.kt b/core/function-impl/mogo-core-function-biz/src/main/java/com/mogo/eagle/function/biz/v2x/v2n/pnc/V2NIdentifyDrawer.kt
index 0a158672c2..e59be301e1 100644
--- a/core/function-impl/mogo-core-function-biz/src/main/java/com/mogo/eagle/function/biz/v2x/v2n/pnc/V2NIdentifyDrawer.kt
+++ b/core/function-impl/mogo-core-function-biz/src/main/java/com/mogo/eagle/function/biz/v2x/v2n/pnc/V2NIdentifyDrawer.kt
@@ -178,11 +178,13 @@ internal object V2NIdentifyDrawer: IEventDismissListener {
                                     val occupy = decision.occupy
                                     val laneId = decision.laneId
                                     val sb = StringBuilder()
+                                    V2XBizTrace.onAck(decision, "计算出道路事件占道决策数据1")
                                     if (laneId != null) {
                                         val isOccupy = occupy.find { it.id == laneId } != null
                                         if (isOccupy) {
                                             if (isDriver) {
                                                 val bestLane = V2NUtils.computeBestLane(laneId, occupy, total)
+                                                V2XBizTrace.onAck(bestLane, "计算出最优车道")
                                                 sb.append("发现前方${distance.toInt()}米${ if (poiType == EventTypeEnumNew.TYPE_SOCKET_ROAD_SHIGONG.poiType) "车道施工" else "车道事故" }@@, 蘑菇建议您尽快${bestLane.second}")
                                             } else {
                                                 sb.append("发现前方${distance.toInt()}米${ if (poiType == EventTypeEnumNew.TYPE_SOCKET_ROAD_SHIGONG.poiType) "车道施工" else "车道事故" }@@, 蘑菇时刻为您守护")