diff --git a/AIStudio.Wpf.DiagramApp/Themes/Generic.xaml b/AIStudio.Wpf.DiagramApp/Themes/Generic.xaml
index e2a8922..0285fac 100644
--- a/AIStudio.Wpf.DiagramApp/Themes/Generic.xaml
+++ b/AIStudio.Wpf.DiagramApp/Themes/Generic.xaml
@@ -3,7 +3,7 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 
     <ResourceDictionary.MergedDictionaries>
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Themes/Generic.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Themes/Style.xaml" />
         
         <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramApp;component/Styles/Fluent.xaml" />
         <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramApp;component/Styles/Expander.xaml"/>
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs
index 3fb1de3..e5943e4 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs
@@ -190,11 +190,11 @@ namespace AIStudio.Wpf.Logical
 
                             if (item.LogicalType == LogicalType.Output)
                             {
-                                input.Value.ValueTypePoint = connector.SourceConnectorInfo.ValueTypePoint;
+                                input.Value.ValueTypePoint = (connector.SourceConnectorInfo as LogicalConnectorInfo).ValueTypePoint;
                             }
                             else if (item.LogicalType == LogicalType.NOT)
                             {
-                                input.Value.ValueTypePoint = (connector.SourceConnectorInfo.ValueTypePoint == ValueTypePoint.Bool) ? ValueTypePoint.Bool : ValueTypePoint.Int;
+                                input.Value.ValueTypePoint = ((connector.SourceConnectorInfo as LogicalConnectorInfo).ValueTypePoint == ValueTypePoint.Bool) ? ValueTypePoint.Bool : ValueTypePoint.Int;
                             }
                         }
                     }
diff --git a/AIStudio.Wpf.DiagramDesigner.Demo/App.xaml b/AIStudio.Wpf.DiagramDesigner.Demo/App.xaml
index b4d2d46..03783ec 100644
--- a/AIStudio.Wpf.DiagramDesigner.Demo/App.xaml
+++ b/AIStudio.Wpf.DiagramDesigner.Demo/App.xaml
@@ -64,7 +64,7 @@
                 <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Controls;component/Themes/Colors.xaml"/>
                 <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Controls;component/Themes/MahApps.xaml"/>
 
-                <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Themes/Generic.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Themes/Style.xaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>      
     </Application.Resources>
diff --git a/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/Animations/PathAnimationViewModel.cs b/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/Animations/PathAnimationViewModel.cs
index 59691d3..325ece2 100644
--- a/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/Animations/PathAnimationViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/Animations/PathAnimationViewModel.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Text;
 using System.Windows;
+using System.Windows.Media;
 
 namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
 {
@@ -28,10 +29,12 @@ namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
             DiagramViewModel.DirectAddItemCommand.Execute(node3);
 
             ConnectionViewModel connector1 = new ConnectionViewModel(DiagramViewModel, node1.RightConnector, node2.LeftConnector, DrawMode.ConnectingLineSmooth, RouterMode.RouterNormal);
+            connector1.ColorViewModel.FillColor.Color = Colors.Red; 
             connector1.ColorViewModel.LineAnimation = LineAnimation.PathAnimation;
             DiagramViewModel.DirectAddItemCommand.Execute(connector1);
 
             ConnectionViewModel connector2 = new ConnectionViewModel(DiagramViewModel, node2.RightConnector, node3.RightConnector, DrawMode.ConnectingLineStraight, RouterMode.RouterOrthogonal);
+            connector2.ColorViewModel.FillColor.Color = Colors.Red; 
             connector2.ColorViewModel.LineAnimation = LineAnimation.PathAnimation;
             DiagramViewModel.DirectAddItemCommand.Execute(connector2);
 
diff --git a/AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs b/AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs
index 2a7230f..37cf4ed 100644
--- a/AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs
@@ -362,7 +362,7 @@ namespace AIStudio.Wpf.DiagramDesigner
                         {
                             LinkPointDesignerItemViewModel pointItemView = new LinkPointDesignerItemViewModel(rubberbandSelectionStartPoint.Value);
                             _viewModel.DirectAddItemCommand.Execute(pointItemView);
-                            SourceConnectorInfo = pointItemView.TopConnector;
+                            SourceConnectorInfo = pointItemView.Connectors.FirstOrDefault();
                         }
                     }
                 }
diff --git a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/FullyCreatedConnectorInfoItem.cs b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/FullyCreatedConnectorInfoItem.cs
index 9420190..9880a0a 100644
--- a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/FullyCreatedConnectorInfoItem.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/FullyCreatedConnectorInfoItem.cs
@@ -28,7 +28,6 @@ namespace AIStudio.Wpf.DiagramDesigner
             YRatio = viewmodel.YRatio;
             IsInnerPoint = viewmodel.IsInnerPoint;
             IsPortless = viewmodel.IsPortless;
-            ValueTypePoint = viewmodel.ValueTypePoint;
         }
 
 
@@ -55,13 +54,5 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             get; set;
         }
-
-        [XmlAttribute]
-        public ValueTypePoint ValueTypePoint
-        {
-            get; set;
-        }
-
-
     }
 }
diff --git a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/LogicalConnectorInfoItem.cs b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/LogicalConnectorInfoItem.cs
new file mode 100644
index 0000000..c74a61b
--- /dev/null
+++ b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/Connector/LogicalConnectorInfoItem.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml.Serialization;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{  
+    /// <summary>
+     /// 完整连接点
+     /// </summary>
+    [Serializable]
+    [XmlInclude(typeof(LogicalConnectorInfoItem))]
+    public class LogicalConnectorInfoItem : FullyCreatedConnectorInfoItem
+    {
+
+        public LogicalConnectorInfoItem()
+        {
+
+        }
+
+        public LogicalConnectorInfoItem(LogicalConnectorInfo viewmodel) : base(viewmodel)
+        {
+            ValueTypePoint = viewmodel.ValueTypePoint;
+        }
+
+        [XmlAttribute]
+        public ValueTypePoint ValueTypePoint
+        {
+            get; set;
+        }
+    }
+
+ 
+}
diff --git a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/LogicalGateDesignerItemBase.cs b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/LogicalGateDesignerItemBase.cs
index c444082..4f7c775 100644
--- a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/LogicalGateDesignerItemBase.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/LogicalGateDesignerItemBase.cs
@@ -15,10 +15,10 @@ namespace AIStudio.Wpf.DiagramDesigner
         }
         public LogicalGateDesignerItemBase(LogicalGateItemViewModelBase item) : base(item)
         {
-            this.Connectors = new List<FullyCreatedConnectorInfoItem>();
-            foreach (var fullyCreatedConnectorInfo in item.Connectors)
+            this.Connectors = new List<LogicalConnectorInfoItem>();
+            foreach (var fullyCreatedConnectorInfo in item.Connectors.OfType<LogicalConnectorInfo>())
             {
-                FullyCreatedConnectorInfoItem connector = new FullyCreatedConnectorInfoItem(fullyCreatedConnectorInfo);
+                LogicalConnectorInfoItem connector = new LogicalConnectorInfoItem(fullyCreatedConnectorInfo);
                 this.Connectors.Add(connector);
             }
             this.OrderNumber = item.OrderNumber;
@@ -28,7 +28,7 @@ namespace AIStudio.Wpf.DiagramDesigner
         }
 
         [XmlArray]
-        public List<FullyCreatedConnectorInfoItem> Connectors { get; set; }
+        public List<LogicalConnectorInfoItem> Connectors { get; set; }
 
         [XmlAttribute]
         public int OrderNumber { get; set; }
diff --git a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/SelectableItemBase.cs b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/SelectableItemBase.cs
index 216698e..50be647 100644
--- a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/SelectableItemBase.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/SelectableItemBase.cs
@@ -22,6 +22,7 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             ColorItem = new ColorItem() { LineColor = new ColorObjectItem(), FillColor = new ColorObjectItem() };
             FontItem = new FontItem();
+            SharpItem = new SharpItem() { SourceMarker = new LinkMarkerItem(), SinkMarker = new LinkMarkerItem() };
         }
 
         public SelectableItemBase(SelectableViewModelBase viewmodel)
@@ -776,6 +777,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             get; set;
         }
 
+        [XmlAttribute]
         public ArrowSizeStyle SizeStyle
         {
             get; set;
diff --git a/AIStudio.Wpf.DiagramDesigner/Themes/ConnectorItem.xaml b/AIStudio.Wpf.DiagramDesigner/Themes/ConnectorItem.xaml
index 2359ff2..36a71d6 100644
--- a/AIStudio.Wpf.DiagramDesigner/Themes/ConnectorItem.xaml
+++ b/AIStudio.Wpf.DiagramDesigner/Themes/ConnectorItem.xaml
@@ -2,7 +2,10 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:s="clr-namespace:AIStudio.Wpf.DiagramDesigner"
                     xmlns:c="clr-namespace:AIStudio.Wpf.DiagramDesigner.Controls">
-
+    <s:ColorBrushConverter x:Key="ColorBrushConverter" />
+    <s:ConectorOrientationConverter  x:Key="ConectorOrientationConverter" />
+    <s:ConectorValueConverter x:Key="ConectorValueConverter"/>
+    
     <DataTemplate DataType="{x:Type s:FullyCreatedConnectorInfo}">
         <Grid Width="{Binding ConnectorWidth}" Height="{Binding ConnectorHeight}">
             <Grid.ContextMenu>
@@ -26,6 +29,81 @@
         </Grid>
     </DataTemplate>
 
+    <DataTemplate DataType="{x:Type s:LogicalConnectorInfo}">
+        <Grid>
+            <Grid Width="{Binding ConnectorWidth}" Height="{Binding ConnectorHeight}" HorizontalAlignment="Left" VerticalAlignment="Top">
+                <Grid.ContextMenu>
+                    <ContextMenu ItemsSource="{Binding MenuOptions}">
+                        <ContextMenu.ItemContainerStyle>
+                            <Style TargetType="MenuItem">
+                                <Setter Property="MenuItem.Header" Value="{Binding Text}" />
+                                <Setter Property="MenuItem.ItemsSource" Value="{Binding Children}" />
+                                <Setter Property="MenuItem.Command" Value="{Binding Command}" />
+                                <Setter Property="MenuItem.Icon" Value="{Binding Icon}" />
+                                <Setter Property="CommandParameter" Value="{Binding CommandParameter}" />
+                                <Setter Property="MenuItem.IsCheckable" Value="{Binding IsCheckable}" />
+                                <Setter Property="MenuItem.IsChecked" Value="{Binding IsChecked}" />
+                            </Style>
+                        </ContextMenu.ItemContainerStyle>
+                    </ContextMenu>
+                </Grid.ContextMenu>
+                <!-- transparent extra space makes connector easier to hit -->
+                <Rectangle Fill="Transparent" Margin="-2" />
+                <Rectangle Fill="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}"  StrokeThickness="1" Stroke="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" />
+            </Grid>          
+
+            <Control x:Name="label">
+                <Control.Template>
+                    <ControlTemplate>
+                        <TextBlock x:Name="txtleft" FontSize="10" RenderTransformOrigin="0.5,0.5">
+                            <TextBlock.Text>
+                                <MultiBinding Converter="{StaticResource ConectorValueConverter}">
+                                    <Binding Path="ConnectorValue" />
+                                    <Binding Path="ValueTypePoint"/>
+                                </MultiBinding>
+                            </TextBlock.Text>
+                            <TextBlock.RenderTransform>
+                                <TransformGroup>
+                                    <ScaleTransform/>
+                                    <SkewTransform/>
+                                    <RotateTransform/>
+                                    <TranslateTransform Y="10" X="{Binding ElementName=txtleft,Path=Text,Converter={StaticResource ConectorOrientationConverter}}"/>
+                                </TransformGroup>
+                            </TextBlock.RenderTransform>
+                        </TextBlock>
+                    </ControlTemplate>
+                </Control.Template>
+            </Control>
+
+        </Grid>
+        <DataTemplate.Triggers>
+            <DataTrigger Value="Right" Binding="{Binding Orientation}">
+                <Setter TargetName="label" Property="Template">
+                    <Setter.Value>
+                        <ControlTemplate>
+                            <TextBlock x:Name="txtRight" FontSize="10" RenderTransformOrigin="0.5,0.5" >
+                                <TextBlock.Text>
+                                    <MultiBinding Converter="{StaticResource ConectorValueConverter}">
+                                        <Binding Path="ConnectorValue" />
+                                        <Binding Path="ValueTypePoint"/>
+                                    </MultiBinding>
+                                </TextBlock.Text>
+                                <TextBlock.RenderTransform>
+                                    <TransformGroup>
+                                        <ScaleTransform/>
+                                        <SkewTransform/>
+                                        <RotateTransform/>
+                                        <TranslateTransform Y="10" X="5"/>
+                                    </TransformGroup>
+                                </TextBlock.RenderTransform>
+                            </TextBlock>
+                        </ControlTemplate>
+                    </Setter.Value>
+                </Setter>
+            </DataTrigger>
+        </DataTemplate.Triggers>
+    </DataTemplate>
+
     <!-- DragThumb Default Template -->
     <Style TargetType="{x:Type c:DragThumb}">
         <Setter Property="Template">
diff --git a/AIStudio.Wpf.DiagramDesigner/Themes/Generic.xaml b/AIStudio.Wpf.DiagramDesigner/Themes/Generic.xaml
index acb5fa8..9d0778d 100644
--- a/AIStudio.Wpf.DiagramDesigner/Themes/Generic.xaml
+++ b/AIStudio.Wpf.DiagramDesigner/Themes/Generic.xaml
@@ -9,14 +9,5 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="/AIStudio.Wpf.DiagramDesigner;component/Themes/DesignerItem.xaml" />
         <ResourceDictionary Source="/AIStudio.Wpf.DiagramDesigner;component/Themes/ConnectorItem.xaml" />
-
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ScrollBar.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/Expander.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/GroupBox.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ToolTip.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ScrollViewer.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/TextBox.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ZoomBox.xaml" />
-        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ComboBox.xaml" />
     </ResourceDictionary.MergedDictionaries>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.DiagramDesigner/Themes/Style.xaml b/AIStudio.Wpf.DiagramDesigner/Themes/Style.xaml
new file mode 100644
index 0000000..76d04a9
--- /dev/null
+++ b/AIStudio.Wpf.DiagramDesigner/Themes/Style.xaml
@@ -0,0 +1,13 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ScrollBar.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/Expander.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/GroupBox.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ToolTip.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ScrollViewer.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/TextBox.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ZoomBox.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.DiagramDesigner;component/Styles/ComboBox.xaml" />
+    </ResourceDictionary.MergedDictionaries>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml b/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
index 3730629..683fcd3 100644
--- a/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
+++ b/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
@@ -157,111 +157,7 @@
             </Style>
 
             <!-- Connector Style -->
-            <Style x:Key="DefaultConnectorStyle" TargetType="{x:Type s:Connector}">
-                <Setter Property="Cursor" Value="Cross" />
-                <Setter Property="SnapsToDevicePixels" Value="true" />
-                <Setter Property="Template">
-                    <Setter.Value>
-                        <ControlTemplate TargetType="{x:Type s:Connector}">
-                            <Grid Width="{Binding ConnectorWidth}" Height="{Binding ConnectorHeight}">
-                                <Grid.ContextMenu>
-                                    <ContextMenu ItemsSource="{Binding MenuOptions}" >
-                                        <ContextMenu.ItemContainerStyle>
-                                            <Style TargetType="MenuItem">
-                                                <Setter Property="MenuItem.Header" Value="{Binding Text}" />
-                                                <Setter Property="MenuItem.ItemsSource" Value="{Binding Children}" />
-                                                <Setter Property="MenuItem.Command" Value="{Binding Command}" />
-                                                <Setter Property="MenuItem.Icon" Value="{Binding Icon}" />
-                                                <Setter Property="CommandParameter" Value="{Binding CommandParameter}" />
-                                                <Setter Property="MenuItem.IsCheckable" Value="{Binding IsCheckable}" />
-                                                <Setter Property="MenuItem.IsChecked" Value="{Binding IsChecked}" />
-                                            </Style>
-                                        </ContextMenu.ItemContainerStyle>
-                                    </ContextMenu>
-                                </Grid.ContextMenu>
-                                transparent extra space makes connector easier to hit
-                                <Rectangle Fill="Transparent" Margin="-2" />
-                                <Rectangle Fill="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}"  StrokeThickness="1" Stroke="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" />
-                            </Grid>
-                        </ControlTemplate>
-                    </Setter.Value>
-                </Setter>
-            </Style>
-
-            <!-- Connector Style -->
-            <Style x:Key="LogicalConnectorStyle" TargetType="{x:Type s:Connector}">
-                <Setter Property="Cursor" Value="Cross" />
-                <Setter Property="SnapsToDevicePixels" Value="true" />
-                <Setter Property="Template">
-                    <Setter.Value>
-                        <ControlTemplate TargetType="{x:Type s:Connector}">
-                            <Grid>
-                                <Grid Width="{Binding ConnectorWidth}" Height="{Binding ConnectorHeight}" HorizontalAlignment="Left" VerticalAlignment="Top">
-                                    <Grid.ContextMenu>
-                                        <ContextMenu ItemsSource="{Binding MenuOptions}">
-                                            <ContextMenu.ItemContainerStyle>
-                                                <Style TargetType="MenuItem">
-                                                    <Setter Property="MenuItem.Header" Value="{Binding Text}" />
-                                                    <Setter Property="MenuItem.ItemsSource" Value="{Binding Children}" />
-                                                    <Setter Property="MenuItem.Command" Value="{Binding Command}" />
-                                                    <Setter Property="MenuItem.Icon" Value="{Binding Icon}" />
-                                                    <Setter Property="CommandParameter" Value="{Binding CommandParameter}" />
-                                                    <Setter Property="MenuItem.IsCheckable" Value="{Binding IsCheckable}" />
-                                                    <Setter Property="MenuItem.IsChecked" Value="{Binding IsChecked}" />
-                                                </Style>
-                                            </ContextMenu.ItemContainerStyle>
-                                        </ContextMenu>
-                                    </Grid.ContextMenu>
-                                    <!-- transparent extra space makes connector easier to hit -->
-                                    <Rectangle Fill="Transparent" Margin="-2" />
-                                    <Rectangle Fill="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}"  StrokeThickness="1" Stroke="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" />
-                                </Grid>
-                                <TextBlock x:Name="txtleft" FontSize="10" RenderTransformOrigin="0.5,0.5">
-                                    <TextBlock.Text>
-                                        <MultiBinding Converter="{StaticResource ConectorValueConverter}">
-                                            <Binding Path="ConnectorValue" />
-                                            <Binding Path="ValueTypePoint"/>
-                                        </MultiBinding>
-                                    </TextBlock.Text>
-                                    <TextBlock.RenderTransform>
-                                        <TransformGroup>
-                                            <ScaleTransform/>
-                                            <SkewTransform/>
-                                            <RotateTransform/>
-                                            <TranslateTransform Y="10" X="{Binding ElementName=txtleft,Path=Text,Converter={StaticResource ConectorOrientationConverter}}"/>
-                                        </TransformGroup>
-                                    </TextBlock.RenderTransform>
-                                </TextBlock>
-                                <TextBlock x:Name="txtRight" FontSize="10" RenderTransformOrigin="0.5,0.5" Visibility="Collapsed">
-                                    <TextBlock.Text>
-                                        <MultiBinding Converter="{StaticResource ConectorValueConverter}">
-                                            <Binding Path="ConnectorValue" />
-                                            <Binding Path="ValueTypePoint"/>
-                                        </MultiBinding>
-                                    </TextBlock.Text>
-                                    <TextBlock.RenderTransform>
-                                        <TransformGroup>
-                                            <ScaleTransform/>
-                                            <SkewTransform/>
-                                            <RotateTransform/>
-                                            <TranslateTransform Y="10" X="5"/>
-                                        </TransformGroup>
-                                    </TextBlock.RenderTransform>
-                                </TextBlock>
-                            </Grid>
-                            <ControlTemplate.Triggers>
-                                <DataTrigger Value="Right" Binding="{Binding Orientation}">
-                                    <Setter TargetName="txtleft" Property="Visibility" Value="Collapsed" />
-                                    <Setter TargetName="txtRight" Property="Visibility" Value="Visible" />
-                                </DataTrigger>
-                            </ControlTemplate.Triggers>
-                        </ControlTemplate>
-                    </Setter.Value>
-                </Setter>
-            </Style>
-
-            <!-- Connector Style -->
-            <Style x:Key="pointConnector" TargetType="{x:Type s:PointConnector}">
+            <Style x:Key="PointConnectorStyle" TargetType="{x:Type s:PointConnector}">
                 <Setter Property="SnapsToDevicePixels" Value="true" />
                 <Setter Property="Template">
                     <Setter.Value>
@@ -276,7 +172,7 @@
                 </Setter>
             </Style>
 
-            <Style x:Key="normalConnectorContainer" TargetType="{x:Type s:ConnectorContainer}">
+            <Style x:Key="GifImageConnectorContainer" TargetType="{x:Type s:ConnectorContainer}">
                 <Setter Property="Template">
                     <Setter.Value>
                         <ControlTemplate TargetType="{x:Type ItemsControl}">
@@ -295,7 +191,7 @@
                 </Setter>
             </Style>
 
-            <Style x:Key="innerConnectorContainer" TargetType="{x:Type ItemsControl}">
+            <Style x:Key="ItemsControlStyle" TargetType="{x:Type ItemsControl}">
                 <Setter Property="Template">
                     <Setter.Value>
                         <ControlTemplate TargetType="{x:Type ItemsControl}">
@@ -381,11 +277,14 @@
 
             <ControlTemplate x:Key="InnerConnectorDecoratorTemplate"
                      TargetType="{x:Type Control}">
-                <s:ConnectorContainer x:Name="PART_ConnectorContainer" Style="{StaticResource innerConnectorContainer}" ItemsSource="{Binding Connectors}" Visibility="{Binding Path=ShowConnectors, Converter={x:Static s:BoolToVisibilityConverter.Instance}}">
+                <s:ConnectorContainer x:Name="PART_ConnectorContainer" Style="{StaticResource ItemsControlStyle}" ItemsSource="{Binding Connectors}" Visibility="{Binding Path=ShowConnectors, Converter={x:Static s:BoolToVisibilityConverter.Instance}}">
                     <s:ConnectorContainer.ItemTemplate>
                         <DataTemplate>
                             <Grid>
-                                <s:Connector  Style="{StaticResource DefaultConnectorStyle}"/>
+                                <s:Connector    
+                                    Content="{Binding .}" 
+                                    Cursor="Cross"
+                                    SnapsToDevicePixels="True"/>
                             </Grid>
                         </DataTemplate>
                     </s:ConnectorContainer.ItemTemplate>
@@ -590,7 +489,7 @@
                                             </c:DragThumb.InputBindings>
                                         </c:DragThumb>
 
-                                        <s:PointContainer x:Name="PART_VerticesContainer" Style="{StaticResource innerConnectorContainer}" ItemsSource="{Binding Vertices}" Visibility="Collapsed">
+                                        <s:PointContainer x:Name="PART_VerticesContainer" Style="{StaticResource ItemsControlStyle}" ItemsSource="{Binding Vertices}" Visibility="Collapsed">
                                             <s:PointContainer.ItemTemplate>
                                                 <DataTemplate>
                                                     <Grid>
@@ -599,7 +498,7 @@
                                                                 <MenuItem Header="删除" Command="{Binding DeleteVertexCommand}" CommandParameter="{Binding}"/>
                                                             </ContextMenu>
                                                         </Grid.ContextMenu>
-                                                        <s:PointConnector  Style="{StaticResource pointConnector}"/>
+                                                        <s:PointConnector  Style="{StaticResource PointConnectorStyle}"/>
                                                         <c:PointDragThumb Cursor="SizeAll" Opacity="0"/>
                                                     </Grid>
                                                 </DataTemplate>
@@ -612,11 +511,10 @@
                                             </s:PointContainer.Resources>
                                         </s:PointContainer>
 
-                                        <s:PointContainer x:Name="PART_LabelsContainer" Style="{StaticResource innerConnectorContainer}" ItemsSource="{Binding Labels}" >
+                                        <s:PointContainer x:Name="PART_LabelsContainer" Style="{StaticResource ItemsControlStyle}" ItemsSource="{Binding Labels}" >
                                             <s:PointContainer.ItemTemplate>
                                                 <DataTemplate>
                                                     <Grid s:SelectionProps.EnabledForSelection="True" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
-
                                                         <Grid.ContextMenu>
                                                             <ContextMenu>
                                                                 <MenuItem Header="删除" Command="{Binding DeleteLabelCommand}" CommandParameter="{Binding}"/>
@@ -628,8 +526,6 @@
                                                             </c:PointDragThumb.InputBindings>
                                                         </c:PointDragThumb>
                                                         <s:TextControl Margin="5" />
-
-
                                                     </Grid>
                                                 </DataTemplate>
                                             </s:PointContainer.ItemTemplate>
@@ -710,10 +606,10 @@
                                                                 VerticalAlignment="Stretch"
                                                                 Content="{TemplateBinding Content}" />
                                             <!-- PART_ConnectorDecorator -->
-                                            <s:ConnectorContainer x:Name="PART_ConnectorContainer" Visibility="Hidden" Style="{StaticResource normalConnectorContainer}"  ItemsSource="{Binding Connectors}">
+                                            <s:ConnectorContainer x:Name="PART_ConnectorContainer" Visibility="Hidden" Style="{StaticResource GifImageConnectorContainer}"  ItemsSource="{Binding Connectors}">
                                                 <s:ConnectorContainer.ItemTemplate>
                                                     <DataTemplate>
-                                                        <s:Connector Style="{StaticResource DefaultConnectorStyle}"/>
+                                                        <s:Connector Content="{Binding .}" Cursor="Cross" SnapsToDevicePixels="True"/>
                                                     </DataTemplate>
                                                 </s:ConnectorContainer.ItemTemplate>
                                             </s:ConnectorContainer>
@@ -785,11 +681,11 @@
                                         </Grid.ContextMenu>
 
                                         <!--PART_ConnectorDecorator-->
-                                        <s:ConnectorContainer x:Name="PART_ConnectorContainer" Style="{StaticResource innerConnectorContainer}" ItemsSource="{Binding Connectors}" Margin="0,0,0,0">
+                                        <s:ConnectorContainer x:Name="PART_ConnectorContainer" Style="{StaticResource ItemsControlStyle}" ItemsSource="{Binding Connectors}" Margin="0,0,0,0">
                                             <s:ConnectorContainer.ItemTemplate>
                                                 <DataTemplate>
                                                     <Grid>
-                                                        <s:Connector  Style="{StaticResource LogicalConnectorStyle}"/>
+                                                        <s:Connector Content="{Binding .}" Cursor="Cross" SnapsToDevicePixels="True"/>
                                                     </Grid>
                                                 </DataTemplate>
                                             </s:ConnectorContainer.ItemTemplate>
@@ -848,7 +744,7 @@
                                         <!-- PART_ConnectorDecorator -->
                                         <Grid Margin="-5"
                                                     x:Name="PART_ConnectorDecorator">
-                                            <s:PointConnector DataContext="{Binding TopConnector}" Style="{StaticResource pointConnector}"/>
+                                            <s:PointConnector DataContext="{Binding TopConnector}" Style="{StaticResource PointConnectorStyle}"/>
                                         </Grid>
                                         <!-- PART_DragThumb -->
                                         <c:DragThumb x:Name="PART_DragThumb"
@@ -895,8 +791,9 @@
                                         <!-- PART_ConnectorDecorator -->
                                         <Grid Margin="-5"
                                                     x:Name="PART_ConnectorDecorator">
-                                            <s:Connector DataContext="{Binding TopConnector}" Style="{StaticResource DefaultConnectorStyle}"
-                                                                Orientation="Right"
+                                            <s:Connector Content="{Binding Connectors[0]}"
+                                                                Cursor="Cross" 
+                                                                SnapsToDevicePixels="True"
                                                                 VerticalAlignment="Center"
                                                                 HorizontalAlignment="Center"
                                                                 Visibility="{Binding Path=ShowConnectors, Converter={x:Static s:BoolToVisibilityConverter.Instance}}" />
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
index 49dd0eb..9580e7b 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
@@ -51,8 +51,7 @@ namespace AIStudio.Wpf.DiagramDesigner
         protected virtual void Init(FullyCreatedConnectorInfo sourceConnectorInfo, ConnectorInfoBase sinkConnectorInfo)
         {
             this.Root = sourceConnectorInfo.DataItem.Root;
-
-            this.ColorViewModel.FillColor.Color = Colors.Red;
+           
             if (sinkConnectorInfo is FullyCreatedConnectorInfo sink && sink.DataItem.ShowArrow == false)
             {
                 this.ShapeViewModel.SinkMarker = LinkMarker.None;
@@ -417,14 +416,14 @@ namespace AIStudio.Wpf.DiagramDesigner
                         break;
                     case nameof(SourceConnectorInfo):
                         SourceA = PointHelper.GetPointForConnector(SourceConnectorInfo);
-                        (SourceConnectorInfo.DataItem as INotifyPropertyChanged).PropertyChanged += new WeakINPCEventHandler(ConnectorViewModel_PropertyChanged).Handler;
+                        (SourceConnectorInfo.DataItem as INotifyPropertyChanged).PropertyChanged += new WeakINPCEventHandler(ConnectorViewModel_PropertyChanged).Handler;  
                         break;
                     case nameof(SinkConnectorInfo):
                         SourceB = SinkConnectorInfo.Position;
                         if (SinkConnectorInfo is FullyCreatedConnectorInfo)
                         {
                             (((FullyCreatedConnectorInfo)SinkConnectorInfo).DataItem as INotifyPropertyChanged).PropertyChanged += new WeakINPCEventHandler(ConnectorViewModel_PropertyChanged).Handler;
-                        }
+                        }                     
                         break;
                     case nameof(IsSelected):
                         if (IsSelected == false)
@@ -521,67 +520,74 @@ namespace AIStudio.Wpf.DiagramDesigner
 
             PathGeneratorResult = PathGenerator.Get(Root, this, route, source.Value, target.Value);
 
-            //修正旋转
-            switch (SourceConnectorInfo.Orientation)
+            if (IsFullConnection)
             {
-                case ConnectorOrientation.Left:
-                    {
-                        StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X, PathGeneratorResult.SourceMarkerPosition.Y - GetSourceMarkerWidth() / 2);
-                        break;
-                    }
-                case ConnectorOrientation.Top:
-                    {
-                        StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - GetSourceMarkerWidth() / 2, PathGeneratorResult.SourceMarkerPosition.Y);
-                        break;
-                    }
-                case ConnectorOrientation.Right:
-                    {
-                        StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - GetSourceMarkerWidth(), PathGeneratorResult.SourceMarkerPosition.Y - GetSourceMarkerWidth() / 2);
-                        break;
-                    }
-                case ConnectorOrientation.Bottom:
-                    {
-                        StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - GetSourceMarkerWidth() / 2, PathGeneratorResult.SourceMarkerPosition.Y - GetSourceMarkerWidth());
-                        break;
-                    }
-                default:
-                    {
-                        StartPoint = PathGeneratorResult.SourceMarkerPosition;
-                        break;
-                    }
-            }
+                //修正旋转
+                switch (SourceConnectorInfo.Orientation)
+                {
+                    case ConnectorOrientation.Left:
+                        {
+                            StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X, PathGeneratorResult.SourceMarkerPosition.Y - GetSourceMarkerWidth() / 2);
+                            break;
+                        }
+                    case ConnectorOrientation.Top:
+                        {
+                            StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - GetSourceMarkerWidth() / 2, PathGeneratorResult.SourceMarkerPosition.Y);
+                            break;
+                        }
+                    case ConnectorOrientation.Right:
+                        {
+                            StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - GetSourceMarkerWidth(), PathGeneratorResult.SourceMarkerPosition.Y - GetSourceMarkerWidth() / 2);
+                            break;
+                        }
+                    case ConnectorOrientation.Bottom:
+                        {
+                            StartPoint = new PointBase(PathGeneratorResult.SourceMarkerPosition.X - GetSourceMarkerWidth() / 2, PathGeneratorResult.SourceMarkerPosition.Y - GetSourceMarkerWidth());
+                            break;
+                        }
+                    default:
+                        {
+                            StartPoint = PathGeneratorResult.SourceMarkerPosition;
+                            break;
+                        }
+                }
 
-            //修正旋转
-            switch (SinkConnectorInfo.Orientation)
+                //修正旋转
+                switch (SinkConnectorInfo.Orientation)
+                {
+                    case ConnectorOrientation.Left:
+                        {
+                            EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X, PathGeneratorResult.TargetMarkerPosition.Y - GetSinkMarkerWidth() / 2);
+                            break;
+                        }
+
+                    case ConnectorOrientation.Top:
+                        {
+                            EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - GetSinkMarkerWidth() / 2, PathGeneratorResult.TargetMarkerPosition.Y);
+                            break;
+                        }
+                    case ConnectorOrientation.Right:
+                        {
+                            EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - GetSinkMarkerWidth(), PathGeneratorResult.TargetMarkerPosition.Y - GetSinkMarkerWidth() / 2);
+                            break;
+                        }
+                    case ConnectorOrientation.Bottom:
+                        {
+                            EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - GetSinkMarkerWidth() / 2, PathGeneratorResult.TargetMarkerPosition.Y - GetSinkMarkerWidth());
+                            break;
+                        }
+                    default:
+                        {
+                            EndPoint = PathGeneratorResult.TargetMarkerPosition;
+                            break;
+                        }
+                }
+            }
+            else
             {
-                case ConnectorOrientation.Left:
-                    {
-                        EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X, PathGeneratorResult.TargetMarkerPosition.Y - GetSinkMarkerWidth() / 2);
-                        break;
-                    }
-
-                case ConnectorOrientation.Top:
-                    {
-                        EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - GetSinkMarkerWidth() / 2, PathGeneratorResult.TargetMarkerPosition.Y);
-                        break;
-                    }
-                case ConnectorOrientation.Right:
-                    {
-                        EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - GetSinkMarkerWidth(), PathGeneratorResult.TargetMarkerPosition.Y - GetSinkMarkerWidth() / 2);
-                        break;
-                    }
-                case ConnectorOrientation.Bottom:
-                    {
-                        EndPoint = new PointBase(PathGeneratorResult.TargetMarkerPosition.X - GetSinkMarkerWidth() / 2, PathGeneratorResult.TargetMarkerPosition.Y - GetSinkMarkerWidth());
-                        break;
-                    }
-                default:
-                    {
-                        EndPoint = PathGeneratorResult.TargetMarkerPosition;
-                        break;
-                    }
+                StartPoint = PathGeneratorResult.SourceMarkerPosition;
+                EndPoint = PathGeneratorResult.TargetMarkerPosition;
             }
-
             StartAngle = PathGeneratorResult.SourceMarkerAngle;
             EndAngle = PathGeneratorResult.TargetMarkerAngle;
 
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs
index 2ad5f05..89c289c 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs
@@ -21,7 +21,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             this.Parent = dataItem;
             this.IsInnerPoint = isInnerPoint;
             this.IsPortless = IsPortless;
-            this.ValueTypePoint = valueTypePoint;
+
             if (IsInnerPoint == true)
             {
                 BuildMenuOptions();
@@ -71,7 +71,6 @@ namespace AIStudio.Wpf.DiagramDesigner
                 YRatio = designer.YRatio;
                 IsInnerPoint = designer.IsInnerPoint;
                 IsPortless = designer.IsPortless;
-                ValueTypePoint = designer.ValueTypePoint;
             }
         }
 
@@ -150,19 +149,6 @@ namespace AIStudio.Wpf.DiagramDesigner
             get; set;
         }
 
-        public ValueTypePoint _valueTypePoint;
-        public ValueTypePoint ValueTypePoint
-        {
-            get
-            {
-                return _valueTypePoint;
-            }
-            set
-            {
-                SetProperty(ref _valueTypePoint, value);
-            }
-        }
-
         private Style _style;
         public Style Style
         {
@@ -191,6 +177,8 @@ namespace AIStudio.Wpf.DiagramDesigner
         public void ExecuteMenuItemCommand(object arg)
         {
             Orientation = (ConnectorOrientation)arg;
+            DataItem.Left += 0.1;
+            DataItem.Left -= 0.1;
         }
 
         public void ExecuteDeleteCommand(object arg)
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/LogicalConnectorInfo.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/LogicalConnectorInfo.cs
new file mode 100644
index 0000000..f23363f
--- /dev/null
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/LogicalConnectorInfo.cs
@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using AIStudio.Wpf.DiagramDesigner.Models;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class LogicalConnectorInfo : FullyCreatedConnectorInfo
+    {
+        public LogicalConnectorInfo(DesignerItemViewModelBase dataItem, ConnectorOrientation orientation, bool isInnerPoint = false, bool isPortless = false, ValueTypePoint valueTypePoint = ValueTypePoint.Real) : base(dataItem, orientation, isInnerPoint, isPortless, valueTypePoint)
+        {
+        }
+
+        public LogicalConnectorInfo(IDiagramViewModel root, DesignerItemViewModelBase dataItem, ConnectorOrientation orientation, bool isInnerPoint = false, bool isPortless = false, ValueTypePoint valueTypePoint = ValueTypePoint.Real) : base(root, dataItem, orientation, isInnerPoint, isPortless, valueTypePoint)
+        {
+            this.ValueTypePoint = valueTypePoint;
+        }     
+
+        public LogicalConnectorInfo(IDiagramViewModel root, DesignerItemViewModelBase dataItem, SelectableItemBase designer) : base(root, dataItem, designer)
+        {
+        }
+
+        public LogicalConnectorInfo(IDiagramViewModel root, DesignerItemViewModelBase dataItem, SerializableItem serializableItem, string serializableType) : base(root, dataItem, serializableItem, serializableType)
+        {
+        }
+
+        public override SelectableItemBase GetSerializableObject()
+        {
+            return new LogicalConnectorInfoItem(this);
+        }
+
+        protected override void LoadDesignerItemViewModel(SelectableItemBase designerbase)
+        {
+            base.LoadDesignerItemViewModel(designerbase);
+
+            if (designerbase is LogicalConnectorInfoItem designer)
+            {
+                ValueTypePoint = designer.ValueTypePoint;
+            }
+        }
+
+        public ValueTypePoint _valueTypePoint;
+        public ValueTypePoint ValueTypePoint
+        {
+            get
+            {
+                return _valueTypePoint;
+            }
+            set
+            {
+                SetProperty(ref _valueTypePoint, value);
+            }
+        }
+    }
+}
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs
index 9085945..702ed8f 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs
@@ -43,17 +43,16 @@ namespace AIStudio.Wpf.DiagramDesigner
         }
 
         protected override void Init(IDiagramViewModel root)
-        {         
+        {
             base.Init(root);
 
             ClearConnectors();
             //propertyChangedSubscription = WhenPropertyChanged.Where(o => o.ToString() == "Left" || o.ToString() == "Top" || o.ToString() == "ItemWidth" || o.ToString() == "ItemHeight").Subscribe(ChangeImageElement);
             //connectorsChangedSubscription = WhenConnectorsChanged.Subscribe(OnConnectorsChanged);
-
-            BuildMenuOptions();
-
+           
             AddItemCommand = new SimpleCommand(Command_Enable, ExecuteAddItemCommand);
             ImageSwitchCommand = new SimpleCommand(Command_Enable, ExecuteImageSwitchCommand);
+            BuildMenuOptions();       
         }
 
 
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/LogicalGateItemViewModelBase.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/LogicalGateItemViewModelBase.cs
index 19c45d4..612880a 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/LogicalGateItemViewModelBase.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/LogicalGateItemViewModelBase.cs
@@ -155,7 +155,7 @@ namespace AIStudio.Wpf.DiagramDesigner
 
                 foreach (var connector in designer.Connectors)
                 {
-                    FullyCreatedConnectorInfo fullyCreatedConnectorInfo = new FullyCreatedConnectorInfo(this.Root, this, connector);
+                    LogicalConnectorInfo fullyCreatedConnectorInfo = new LogicalConnectorInfo(this.Root, this, connector);
 
                     if (fullyCreatedConnectorInfo.Orientation == ConnectorOrientation.Left)
                     {
@@ -213,8 +213,8 @@ namespace AIStudio.Wpf.DiagramDesigner
         public LogicalType LogicalType { get; set; }
 
 
-        public Dictionary<int, FullyCreatedConnectorInfo> Input { get; set; } = new Dictionary<int, FullyCreatedConnectorInfo>();
-        public Dictionary<int, FullyCreatedConnectorInfo> Output { get; set; } = new Dictionary<int, FullyCreatedConnectorInfo>();
+        public Dictionary<int, LogicalConnectorInfo> Input { get; set; } = new Dictionary<int, LogicalConnectorInfo>();
+        public Dictionary<int, LogicalConnectorInfo> Output { get; set; } = new Dictionary<int, LogicalConnectorInfo>();
 
         public virtual void ExecuteAddInput(object parameter, int index = 0)
         {
@@ -222,7 +222,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             {
                 this.ItemHeight = this.ItemHeight * (Input.Values.Count + 1) / Input.Values.Count;
             }
-            FullyCreatedConnectorInfo connector = new FullyCreatedConnectorInfo(this, ConnectorOrientation.Left, true, false, ValueTypeInput.Count > index ? ValueTypeInput[index] : ValueTypeInput[0]);
+            LogicalConnectorInfo connector = new LogicalConnectorInfo(this, ConnectorOrientation.Left, true, false, ValueTypeInput.Count > index ? ValueTypeInput[index] : ValueTypeInput[0]);
             connector.XRatio = 0;
             Input.Add(Input.Count, connector);
             for (int i = 0; i < Input.Values.Count; i++)
@@ -234,7 +234,7 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         public virtual void ExecuteAddOutput(object parameter, int index = 0)
         {
-            FullyCreatedConnectorInfo connector = new FullyCreatedConnectorInfo(this, ConnectorOrientation.Right, true, false, ValueTypeOutput.Count > index ? ValueTypeOutput[index] : ValueTypeInput[0]);
+            LogicalConnectorInfo connector = new LogicalConnectorInfo(this, ConnectorOrientation.Right, true, false, ValueTypeOutput.Count > index ? ValueTypeOutput[index] : ValueTypeInput[0]);
             connector.XRatio = 1;
             Output.Add(Output.Count, connector);
             for (int i = 0; i < Output.Values.Count; i++)