diff --git a/OCH/mogo-och-bus/src/main/java/com/mogo/och/bus/fragment/BaseOchBusTabFragment.java b/OCH/mogo-och-bus/src/main/java/com/mogo/och/bus/fragment/BaseOchBusTabFragment.java
index cf9f317208..444c21166e 100644
--- a/OCH/mogo-och-bus/src/main/java/com/mogo/och/bus/fragment/BaseOchBusTabFragment.java
+++ b/OCH/mogo-och-bus/src/main/java/com/mogo/och/bus/fragment/BaseOchBusTabFragment.java
@@ -417,7 +417,7 @@ public abstract class BaseOchBusTabFragment<V extends IView, P extends Presenter
      * @param newSpeed
      */
     public void updateSpeedView(float newSpeed){
-        int speed = (int) (newSpeed * 3.6F);
+        int speed = (int) (Math.abs(newSpeed) * 3.6F); // 倒车时工控机反馈定位信息中speed为负值
         mouduleArc.setArcColor(Color.parseColor(speed > 60 ? "#DB3137" : "#3E77F6"));
         mouduleArc.setValues(speed);
         flSpeed.setBackgroundResource(speed > 60 ? R.drawable.bus_yi_biao_pan_bg_speeding : R.drawable.bus_yi_biao_pan_bg_nor);
diff --git a/OCH/mogo-och-taxi-passenger/src/main/java/com/mogo/och/taxi/passenger/ui/BaseOchTaxiTabFragment.java b/OCH/mogo-och-taxi-passenger/src/main/java/com/mogo/och/taxi/passenger/ui/BaseOchTaxiTabFragment.java
index dc6d37d710..e64673e21e 100644
--- a/OCH/mogo-och-taxi-passenger/src/main/java/com/mogo/och/taxi/passenger/ui/BaseOchTaxiTabFragment.java
+++ b/OCH/mogo-och-taxi-passenger/src/main/java/com/mogo/och/taxi/passenger/ui/BaseOchTaxiTabFragment.java
@@ -427,7 +427,7 @@ public abstract class BaseOchTaxiTabFragment<V extends IView, P extends Presente
     }
 
     public void updateSpeedView(float newSpeed){
-        int speed = (int) (newSpeed * 3.6F);
+        int speed = (int) (Math.abs(newSpeed) * 3.6F); // 倒车时工控机反馈定位信息中speed为负值
         mSpeedView.setText(String.valueOf(speed));
     }
 
diff --git a/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/ui/BaseOchTaxiTabFragment.java b/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/ui/BaseOchTaxiTabFragment.java
index a59c0d9cda..8229c67371 100644
--- a/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/ui/BaseOchTaxiTabFragment.java
+++ b/OCH/mogo-och-taxi/src/main/java/com/mogo/och/taxi/ui/BaseOchTaxiTabFragment.java
@@ -419,7 +419,7 @@ public abstract class BaseOchTaxiTabFragment<V extends IView, P extends Presente
     }
 
     public void updateSpeedView(float newSpeed){
-        int speed = (int) (newSpeed * 3.6F);
+        int speed = (int) (Math.abs(newSpeed) * 3.6F); // 倒车时工控机反馈定位信息中speed为负值
         mSpeedView.setText(String.valueOf(speed));
     }