diff --git a/Plane.FormationCreator/Formation/FlightTaskManager.cs b/Plane.FormationCreator/Formation/FlightTaskManager.cs
index ce98b8f..1b14345 100644
--- a/Plane.FormationCreator/Formation/FlightTaskManager.cs
+++ b/Plane.FormationCreator/Formation/FlightTaskManager.cs
@@ -29,6 +29,10 @@ namespace Plane.FormationCreator.Formation
 
             _copterManager.SelectedCoptersChanged += (sender, e) =>
             {
+                foreach (ICopter copter in _copterManager.SelectedCopters)
+                {
+                    copter.LEDAsync();
+                }
                 // TODO: 林俊清, 20150803, 处理选中多个飞行器的情况。
                 if (_copterManager.SelectedCopters.Count() > 1)
                 {
@@ -49,6 +53,9 @@ namespace Plane.FormationCreator.Formation
                 }
                 if (selectedCopter!=null)
                   selectedCopter.SetShowLEDFlashAsync(1, 100);
+
+                if (selectedCopter != null)
+                    selectedCopter.LEDAsync();
             };
 
             TaskAdded += (sender, e) =>
diff --git a/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs b/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs
index 420a3b3..31b678f 100644
--- a/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs
+++ b/Plane.FormationCreator/ViewModels/ControlPanelViewModel.cs
@@ -91,6 +91,30 @@ namespace Plane.FormationCreator.ViewModels
             }
         }
 
+        private const string NTF_GROUPLED_OFF = "NTF_GROUPLED_OFF";
+        private ICommand _LEDOnOffCommand;
+        public ICommand LEDOnOffCommand
+        {
+            get
+            {
+                return _LEDOnOffCommand ?? (_LEDOnOffCommand = new RelayCommand(async () =>
+                {
+                    string paramstr = NTF_GROUPLED_OFF;
+                    float paramvalue = 0;
+                    await Task.WhenAll(
+                           _copterManager.AcceptingControlCopters.Select(async copter =>
+                           {
+                               paramvalue = await copter.GetParamAsync(paramstr);
+                           }));
+
+                    float newParamvalue = paramvalue == 0 ? 1 : 0;
+
+                    await Task.WhenAll(_copterManager.AcceptingControlCopters.Select
+                         (copter => copter.SetParamAsync(paramstr, newParamvalue)));
+                }));
+            }
+        }
+
         private ICommand _UnlockCommand;
         public ICommand UnlockCommand
         {
diff --git a/Plane.FormationCreator/Views/ControlPanelView.xaml b/Plane.FormationCreator/Views/ControlPanelView.xaml
index 352967e..b9655fe 100644
--- a/Plane.FormationCreator/Views/ControlPanelView.xaml
+++ b/Plane.FormationCreator/Views/ControlPanelView.xaml
@@ -56,10 +56,11 @@
             <Button Content="跳过"
                     Command="{Binding FlagCommand}" />
             <Button Content="测试"
-                  
                     Command="{Binding TestCommand}" />
+            <Button Content="开/关灯"
+                    Command="{Binding LEDOnOffCommand}" />
             <TextBox Width="50" 
-                      Visibility="Hidden"
+                     Visibility="Hidden"
                      Text="{Binding AltP, UpdateSourceTrigger=PropertyChanged}" />
         </WrapPanel>
         <WrapPanel>
diff --git a/Plane.FormationCreator/Views/MapView_CopterDrawing.cs b/Plane.FormationCreator/Views/MapView_CopterDrawing.cs
index 00e2881..54388b8 100644
--- a/Plane.FormationCreator/Views/MapView_CopterDrawing.cs
+++ b/Plane.FormationCreator/Views/MapView_CopterDrawing.cs
@@ -364,12 +364,20 @@ namespace Plane.FormationCreator.Views
                         {
                             Point curPoint = new Point(kv.Value.X + offsetX, kv.Value.Y + offsetY);
                             var curLoc = _map.ViewportPointToLocation(curPoint);
-                            var routePoint = this.Route.Locations[taskIndex];
+                           
                             var modifyingSingleCopterInfo = _flightTaskManager.SelectedTask.SingleCopterInfos.Find(i => i.Copter == kv.Key);
-                            modifyingSingleCopterInfo.TargetLat = routePoint.Latitude = curLoc.Latitude;
-                            modifyingSingleCopterInfo.TargetLng = routePoint.Longitude = curLoc.Longitude;
+                            //modifyingSingleCopterInfo.TargetLat = routePoint.Latitude = curLoc.Latitude;
+                            //modifyingSingleCopterInfo.TargetLng = routePoint.Longitude = curLoc.Longitude;
+                            modifyingSingleCopterInfo.TargetLat =  curLoc.Latitude;
+                            modifyingSingleCopterInfo.TargetLng =  curLoc.Longitude;
+
                         }
+
+                        var routePoint = this.Route.Locations[taskIndex];
                         var leftTopPos = new Point(eventPos.X - wpOffsetX, eventPos.Y - wpOffsetY);
+                        var newRoutePoint = new Point(leftTopPos.X + WAYPOINT_RADIUS, leftTopPos.Y + WAYPOINT_RADIUS);
+                        routePoint.Latitude = _map.ViewportPointToLocation(newRoutePoint).Latitude;
+                        routePoint.Longitude = _map.ViewportPointToLocation(newRoutePoint).Longitude;
                         MapLayer.SetPosition(wp, _map.ViewportPointToLocation(leftTopPos));
                     }
                 };
diff --git a/Plane.FormationCreator/Views/ModifyTaskView.xaml b/Plane.FormationCreator/Views/ModifyTaskView.xaml
index 4a3a15a..5e43a42 100644
--- a/Plane.FormationCreator/Views/ModifyTaskView.xaml
+++ b/Plane.FormationCreator/Views/ModifyTaskView.xaml
@@ -242,9 +242,16 @@
                                                 <TextBlock Text="类型" Margin="0,0,0,0" VerticalAlignment="Center" ></TextBlock>
                                                 <ComboBox  MinWidth="80"  Margin="5,0,0,0" Foreground="White" VerticalContentAlignment="Center"
                                                            SelectedIndex="{Binding Path=LEDMode}">
-                                                    <ComboBoxItem Content="常亮" Foreground="White" />
-                                                    <ComboBoxItem Content="闪烁" Foreground="White"/>
-                                                    <ComboBoxItem Content="随机" Foreground="White"/>
+                                                    <ComboBox.ItemContainerStyle>
+                                                        <Style>
+                                                            <Setter Property="ComboBoxItem.Foreground" Value="White"/>
+                                                        </Style>
+                                                    </ComboBox.ItemContainerStyle>
+                                                    <ComboBoxItem Content="常亮" />
+                                                    <ComboBoxItem Content="闪烁" />
+                                                    <ComboBoxItem Content="随机" />
+                                                    <ComboBoxItem Content="渐亮" />
+                                                    <ComboBoxItem Content="渐暗" />
                                                 </ComboBox>
 
                                                 <TextBlock Text="时间"  Margin="12,0,0,0" VerticalAlignment="Center"></TextBlock>