diff --git a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/listener/V2XLocationListener.java b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/listener/V2XLocationListener.java
index 8b1a112edc..3d2977423f 100644
--- a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/listener/V2XLocationListener.java
+++ b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/listener/V2XLocationListener.java
@@ -69,7 +69,7 @@ public class V2XLocationListener
     private CarLocationSubject mCarLocationSubject;
 
     private V2XLocationListener() {
-        mCarLocationSubject = new CarLocationSubject();
+        mCarLocationSubject = CarLocationSubject.getInstance();
         // 注册最优路线的推荐观察者
         mCarLocationSubject.registerObserver(
                 V2XOptimalRouteObserver.TYPE,
diff --git a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/observer/CarLocationSubject.java b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/observer/CarLocationSubject.java
index 1f238875ad..262ea1a2ae 100644
--- a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/observer/CarLocationSubject.java
+++ b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/observer/CarLocationSubject.java
@@ -12,12 +12,27 @@ import java.util.Set;
  */
 public class CarLocationSubject {
 
+    private static CarLocationSubject mCarLocationSubject;
     // 车辆位置
     public MogoLocation carLocation;
     // 观察者集合
-    private HashMap<String, CarLocationObserver> observers = new HashMap<String, CarLocationObserver>();
+    private HashMap<String, CarLocationObserver> mObservers = new HashMap<>();
 
 
+    private CarLocationSubject() {
+    }
+
+    public static CarLocationSubject getInstance() {
+        if (mCarLocationSubject == null) {
+            synchronized (CarLocationSubject.class) {
+                if (mCarLocationSubject == null) {
+                    mCarLocationSubject = new CarLocationSubject();
+                }
+            }
+        }
+        return mCarLocationSubject;
+    }
+
     /**
      * 设置新的车辆位置
      *
@@ -35,7 +50,7 @@ public class CarLocationSubject {
      * @param observer     新的观察者
      */
     public void registerObserver(String observerType, CarLocationObserver observer) {
-        observers.put(observerType, observer);
+        mObservers.put(observerType, observer);
     }
 
     /**
@@ -44,16 +59,16 @@ public class CarLocationSubject {
      * @param observerType 观察者类型
      */
     public void removeObserver(String observerType) {
-        observers.remove(observerType);
+        mObservers.remove(observerType);
     }
 
     /**
      * 通知所有观察者更新
      */
     private void notifyAllObservers() {
-        Set<String> keySet = observers.keySet();
+        Set<String> keySet = mObservers.keySet();
         for (String s : keySet) {
-            CarLocationObserver observer = observers.get(s);
+            CarLocationObserver observer = mObservers.get(s);
             if (observer != null) {
                 observer.update(carLocation);
             }
diff --git a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java
index f59752afe4..ae97a08626 100644
--- a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java
+++ b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java
@@ -57,7 +57,7 @@ public class V2XOptimalRouteOverlay {
                 }
             }
 
-            mPolylineColors.addAll(ColorUtils.gradientAlpha("#002965ED", "#FF2965ED", mPolylinePointList.size()/2));
+            mPolylineColors.addAll(ColorUtils.gradientAlpha("#002965ED", "#FF2965ED", mPolylinePointList.size() / 3));
 
             // 替换路径集合
             mPolylineOptions.points(mPolylinePointList);