diff --git a/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModel.java b/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModel.java
index 147830d57e..90040dd0c8 100644
--- a/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModel.java
+++ b/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModel.java
@@ -1208,6 +1208,8 @@ public class TaxiModel {
 
         @Override
         public void onAutopilotRotting(MessagePad.GlobalPathResp routeList) {
+            CallerLogger.INSTANCE.d(M_TAXI + TAG, "onAutopilotRotting = "
+                    + GsonUtil.jsonFromObject(routeList));
             if (null != routeList && routeList.getWayPointsList().size() > 0) {
                 updateOrderRoute(routeList.getWayPointsList());
                 updateOrderRouteInfo(routeList.getWayPointsList());
@@ -1276,7 +1278,7 @@ public class TaxiModel {
         if (mCurrentOCHOrder != null && mRoutePoints.size() == 0) {//根据orderNo去查询
             queryOrderRouteList(mCurrentOCHOrder.orderNo);
         }
-
+        Logger.d(M_TAXI + TAG, "--------mRoutePoints.size---------- " + mRoutePoints.size());
         //开启实时计算剩余距离，剩余时间，预计时间
         startOrStopCalculateRouteInfo(true);
     }
@@ -1300,7 +1302,8 @@ public class TaxiModel {
 
         double lastTime = lastSumLength / TaxiConst.TAXI_AVERAGE_SPEED * 3.6; //秒
         Logger.d(M_TAXI + "dynamicCalculateRouteInfo"
-                , "---lastSumLength: " + lastSumLength + "----lastTime : " + lastTime);
+                , "---lastSumLength: " + lastSumLength + "----lastTime : " + lastTime
+           + " thread = "+ Thread.currentThread().getName());
 
         mCurrentOCHOrder.decreaseTravelDistance(lastSumLength);
         if (mOrderStatusCallback != null) {
diff --git a/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModelLoopManager.java b/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModelLoopManager.java
index 16d7ff5cb4..63f281cacf 100644
--- a/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModelLoopManager.java
+++ b/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/model/TaxiModelLoopManager.java
@@ -38,7 +38,7 @@ public class TaxiModelLoopManager {
     private Disposable mNewBookingOrderDisposable; //新到待抢预约单轮询
     private Disposable mGrabResultDisposable; //抢单结果轮询
     private Disposable mHeartbeatDisposable; //心跳轮询
-    private CompositeDisposable mCalculateRouteDisposable = new CompositeDisposable(); //每隔2s计算一次剩余里程和时间
+    private CompositeDisposable mCalculateRouteDisposable; //每隔2s计算一次剩余里程和时间
 
     public void startInAndWaitOrdersLoop() {
         if (mInAndWaitServiceDisposable != null && !mInAndWaitServiceDisposable.isDisposed()) {
@@ -126,8 +126,11 @@ public class TaxiModelLoopManager {
 
     public void startCalculateRouteInfoLoop() {
 
-        CallerLogger.INSTANCE.i(M_TAXI_P + TAG, "startCalculateRouteInfoLoop()");
-
+        CallerLogger.INSTANCE.i(M_TAXI + TAG, "startCalculateRouteInfoLoop()");
+        if (mCalculateRouteDisposable != null) return;
+        if (mCalculateRouteDisposable == null){
+            mCalculateRouteDisposable = new CompositeDisposable();
+        }
         Disposable disposable = loopDynamicCalculateRouteInfo()
                 .doOnSubscribe(new Consumer<Disposable>() {
                     @Override
@@ -165,8 +168,9 @@ public class TaxiModelLoopManager {
 
     public void stopCalculateRouteInfLoop() {
         if (mCalculateRouteDisposable != null) {
-            CallerLogger.INSTANCE.i(M_TAXI_P + TAG, "stopCalculateRouteInfLoop()");
+            CallerLogger.INSTANCE.i(M_TAXI + TAG, "stopCalculateRouteInfLoop()");
             mCalculateRouteDisposable.dispose();
+            mCalculateRouteDisposable = null;
         }
     }
 }