修复问题：

添加原点后未拖动会提示没有原点

Plane.FormationCreator/Views/MapView.xaml.cs

@@ -358,7 +358,7 @@ namespace Plane.FormationCreator.Views
                 location = map.Center;
             else
                 location = new Location(e.Lat, e.Lng);
-            //_flightTaskManager
+            
 
             original = new Ellipse
             {
@@ -374,6 +374,8 @@ namespace Plane.FormationCreator.Views
             MapLayer.SetPosition(original, location);
             original.ToolTip = location.ToString();
             originaDrag = false;
+            _flightTaskManager.OriginLat = location.Latitude;
+            _flightTaskManager.OriginLng = location.Longitude;
             original.MouseLeftButtonDown += new MouseButtonEventHandler(OriginalMouseDown);
 
         }