diff --git a/Plane.FormationCreator/Formation/FlightTaskManager.cs b/Plane.FormationCreator/Formation/FlightTaskManager.cs
index 10007a2..79dbf83 100644
--- a/Plane.FormationCreator/Formation/FlightTaskManager.cs
+++ b/Plane.FormationCreator/Formation/FlightTaskManager.cs
@@ -1427,7 +1427,13 @@ namespace Plane.FormationCreator.Formation
 
             return t;
         }      //计算优化线路，采用米计算
-        public void OptimizeRouteMeter(bool Is3d=false)
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="Is3d">3D计算</param>
+        /// <param name="Ischange">是否改变线路的结束点顺序--返回起飞点航线不能交换</param>
+        public void OptimizeRouteMeter(bool Is3d=false,bool Ischange=true)
         {
             Dictionary<int, Point3D> curTaskPoint = new Dictionary<int, Point3D>();
             Dictionary<int, Point3D> prevTaskPoint = new Dictionary<int, Point3D>();
@@ -1467,7 +1473,7 @@ namespace Plane.FormationCreator.Formation
             }
             else
             {
-                ArrayList resarray = Util.OptimizeRoute.Gen2DRoute(curTaskPoint.Values.ToArray(), prevTaskPoint.Values.ToArray());
+                ArrayList resarray = Util.OptimizeRoute.Gen2DRoute(curTaskPoint.Values.ToArray(), prevTaskPoint.Values.ToArray(), Ischange);
                 Vector3[] RouteRes;
                 //有错层，需要插入2个错层任务
                 if (resarray.Count == 3)
diff --git a/Plane.FormationCreator/ViewModels/ModifyTaskViewModel.cs b/Plane.FormationCreator/ViewModels/ModifyTaskViewModel.cs
index dda75fb..a40750a 100644
--- a/Plane.FormationCreator/ViewModels/ModifyTaskViewModel.cs
+++ b/Plane.FormationCreator/ViewModels/ModifyTaskViewModel.cs
@@ -773,6 +773,19 @@ namespace Plane.FormationCreator.ViewModels
             }
         }
 
+        
+      private ICommand _OptimizeRouteCommandRet;
+        public ICommand OptimizeRouteCommandRet
+        {
+            get
+            {
+                return _OptimizeRouteCommandRet ?? (_OptimizeRouteCommandRet = new RelayCommand<int>(async =>
+                {
+                    _flightTaskManager.OptimizeRouteMeter(false,false); //采用米计算逻辑和OptimizeRouteNew一样
+                }));
+            }
+        }
+
 
         private ICommand _OptimizeRouteCommand3D;
         public ICommand OptimizeRouteCommand3D
diff --git a/Plane.FormationCreator/Views/ModifyTaskView.xaml b/Plane.FormationCreator/Views/ModifyTaskView.xaml
index 8209560..594894e 100644
--- a/Plane.FormationCreator/Views/ModifyTaskView.xaml
+++ b/Plane.FormationCreator/Views/ModifyTaskView.xaml
@@ -74,9 +74,11 @@
                                     />
                             <Button Margin="0,5,5,0" Content="计算航线3D"  Width="105" Command="{Binding OptimizeRouteCommand3D}" 
                                     />
-                            <Button Margin="0,5,5,0" Content="导出到C4D"  Width="105" Command="{Binding ExportWayPointCommand}"/>
-                            <Button Margin="0,5,5,0" Content="估计时间"  Width="105" Command="{Binding AutoWayPointTmCommand}"/>
+                            <Button Margin="0,5,5,0" Content="计算返航"  Width="105" Command="{Binding OptimizeRouteCommandRet}" 
+                                    />
 
+                            <Button Margin="0,5,5,0" Content="导出到C4D"  Width="105" Command="{Binding ExportWayPointCommand}"/>
+   
                         </StackPanel>
                         <StackPanel>
 
@@ -92,6 +94,7 @@
                                     Margin="0,5,5,0"  Width="105"
                                     Command="{Binding BackTakeOffPointCommand}" />
 
+                            <Button Margin="0,5,5,0" Content="估计时间"  Width="105" Command="{Binding AutoWayPointTmCommand}"/>
 
 
                         </StackPanel>