移除xcharts和细节调整

Assets/Scenes/Ride/Scripts/DeviceServiceMonoBase.cs

@@ -71,7 +71,7 @@ namespace Assets.Scenes.Ride.Scripts
         /// <param name="distance"></param>
         public double UpdateDistance(double speed)
         {
-            return Math.Round(speed / 3600, 4);
+            return Math.Round(speed / 3600, 5,MidpointRounding.AwayFromZero);
         }
 
         #endregion