diff --git a/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml b/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
index b81c9b7..6673de3 100644
--- a/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
+++ b/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
@@ -426,10 +426,6 @@
                                                         Value="true">
                                     <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Visible"/>
                                 </Trigger>
-                                <DataTrigger Value="True"
-                                                            Binding="{Binding RelativeSource={RelativeSource Self},Path=IsDragConnectionOver}">
-                                    <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Visible" />
-                                </DataTrigger>
                                 <DataTrigger Value="0"
                                                             Binding="{Binding Connectors.Count}">
                                     <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Collapsed" />
@@ -466,8 +462,8 @@
                                     Value="{Binding Area.Left}" />
                 <Setter Property="Canvas.ZIndex"
                                     Value="{Binding ZIndex}" />
-                <Setter Property="dd:SelectionProps.EnabledForSelection"
-                                    Value="{Binding EnabledForSelection}" />
+                <!--<Setter Property="dd:SelectionProps.EnabledForSelection"
+                                    Value="{Binding EnabledForSelection}" />-->
                 <Setter Property="Visibility"
                                     Value="{Binding Visible,Converter={StaticResource BooleanToVisibilityConverter}}"/>
                 <Setter Property="ContentTemplate">
@@ -641,9 +637,6 @@
                                 <Trigger Property="IsMouseOver" Value="true">
                                     <Setter TargetName="PART_ConnectorContainer" Property="Visibility" Value="Visible" />
                                 </Trigger>
-                                <DataTrigger Value="True" Binding="{Binding IsDragConnectionOver}">
-                                    <Setter TargetName="PART_ConnectorContainer" Property="Visibility" Value="Visible" />
-                                </DataTrigger>
                             </DataTemplate.Triggers>
                         </DataTemplate>
                     </Setter.Value>
@@ -768,10 +761,6 @@
                                                         Value="true">
                                     <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Visible"/>
                                 </Trigger>
-                                <DataTrigger Value="True" Binding="{Binding RelativeSource={RelativeSource Self},Path=IsDragConnectionOver}">
-                                    <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Visible" />
-                                </DataTrigger>
-
                             </DataTemplate.Triggers>
                         </DataTemplate>
                     </Setter.Value>
@@ -822,9 +811,6 @@
                                                         Value="true">
                                     <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Visible"/>
                                 </Trigger>
-                                <DataTrigger Value="True" Binding="{Binding RelativeSource={RelativeSource Self},Path=IsDragConnectionOver}">
-                                    <Setter TargetName="PART_ConnectorDecorator" Property="Visibility" Value="Visible" />
-                                </DataTrigger>
                             </DataTemplate.Triggers>
                         </DataTemplate>
                     </Setter.Value>
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/AdditionViewModel/FontViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/AdditionViewModel/FontViewModel.cs
index 5a695bf..87ca138 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/AdditionViewModel/FontViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/AdditionViewModel/FontViewModel.cs
@@ -88,7 +88,7 @@ namespace AIStudio.Wpf.DiagramDesigner
                     FontCase = FontCase.None;
                     HorizontalAlignment = HorizontalAlignment.Center;
                     VerticalAlignment = VerticalAlignment.Center;
-                    LineHeight = 0;
+                    LineHeight = Double.NaN;
                 });
             }
         }
@@ -458,7 +458,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             }
         }
 
-        private double _lineHeight;
+        private double _lineHeight = Double.NaN;
         public double LineHeight
         {
             get
diff --git a/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml b/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml
index c63d1e2..dcc74cd 100644
--- a/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml
+++ b/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml
@@ -7,35 +7,34 @@
         <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Controls/ColorCanvas.xaml"/>
     </ResourceDictionary.MergedDictionaries>
 
-    <Geometry x:Key="DownArrowGeometry">M0,0 L3,0 4.5,1.5 6,0 9,0 4.5,4.5 z</Geometry>
+    <Geometry x:Key="DownArrowGeometry">M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z</Geometry>
 
     <Style x:Key="ColorPickerToggleButtonStyle" TargetType="ToggleButton">
+        <Setter Property="Background" Value="Transparent" />
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="ToggleButton">
-                    <Grid SnapsToDevicePixels="True">
-
+                    <Grid Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
                         <Grid>
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition Width="*"/>
                                 <ColumnDefinition Width="Auto"/>
                             </Grid.ColumnDefinitions>
 
-                            <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="True">
-                                <ContentPresenter Content="{TemplateBinding Content}"
+                            <ContentPresenter Content="{TemplateBinding Content}"
                                           ContentTemplate="{TemplateBinding ContentTemplate}"
                                           ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"
                                           VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                           HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" />
-                            </Border>
-                            
-                            <Grid x:Name="arrowGlyph" Grid.Column="1" Margin="5">
+
+                            <Grid x:Name="arrowGlyph" Grid.Column="1">
                                 <Path x:Name="Arrow"
                                  Width="9"
-                                 Height="5"
+                                 Height="6"
+                                 Margin="0 0 3 0"
+                                 Stretch="Fill"
                                  Data="{StaticResource DownArrowGeometry}" 
-                                 Fill="#FF000000"
-                                 Margin="0,1,0,0"/>
+                                 Fill="#FF000000"/>
                             </Grid>
                         </Grid>
 
@@ -113,12 +112,6 @@
                             <Setter TargetName="_outerBorder" Property="BorderBrush" Value="#FFFF0000" />
                             <Setter TargetName="_innerBorder" Property="BorderBrush" Value="#FFFFFF00" />
                         </Trigger>
-                        <DataTrigger Binding="{Binding DisplayColorAndName, RelativeSource={RelativeSource AncestorType={x:Type controls:ColorPicker}}}"
-                               Value="False">
-                            <Setter Property="ToolTip"
-                             Value="{x:Static sys:String.Empty}"
-                             TargetName="mainGrid" />
-                        </DataTrigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
             </Setter.Value>
@@ -196,11 +189,9 @@
             <ContentPresenter x:Name="contentPresenter"
                            ContentSource="Header"
                            Focusable="False"
-                           HorizontalAlignment="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"
                            Margin="{TemplateBinding Padding}"
                            RecognizesAccessKey="True"
-                           SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
-                           VerticalAlignment="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}" />
+                           SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
         </Grid>
         <ControlTemplate.Triggers>
             <MultiDataTrigger>
@@ -224,45 +215,37 @@
         <Setter Property="Background" Value="White" />
         <Setter Property="HorizontalContentAlignment" Value="Stretch" />
         <Setter Property="VerticalContentAlignment" Value="Center" />
-        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="BorderThickness" Value="0" />
         <Setter Property="BorderBrush" Value="Gray" />
         <Setter Property="SnapsToDevicePixels" Value="True" />
         <Setter Property="MaxDropDownWidth" Value="218" />
         <Setter Property="ScrollViewer.CanContentScroll" Value="False" />
-        <Setter Property="Padding" Value="3,0" />
-        <Setter Property="DisplayColorAndName" Value="True"/>
+        <Setter Property="Padding" Value="0" />
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type controls:ColorPicker}">
                     <Grid x:Name="PART_Root">
                         <Border x:Name="Bg" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
-                                CornerRadius="3"
                                 BorderBrush="{TemplateBinding BorderBrush}" 
                                 BorderThickness="{TemplateBinding BorderThickness}" 
                                 Background="{TemplateBinding Background}"/>
 
                         <Grid x:Name="PART_InnerGrid" Margin="{TemplateBinding Padding}">
-                            <Grid.ColumnDefinitions>
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="0" />
-                            </Grid.ColumnDefinitions>
-
-                            <Grid>
-                                <ContentControl x:Name="ColorOnly" Style="{StaticResource ColorDisplayStyle}" />
-
-                                <Border x:Name="ColorAndName" Background="White" Visibility="Hidden">
-                                    <StackPanel Orientation="Horizontal">
-                                        <ContentControl HorizontalAlignment="Left" Width="20" Margin="2,1,4,1" Style="{StaticResource ColorDisplayStyle}" BorderThickness="1" BorderBrush="#FFC9CACA" />
-                                        <TextBlock Text="{Binding SelectedColorText, RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="Center" />
-                                    </StackPanel>
-                                </Border>
-                            </Grid>
-
                             <!--下拉按钮-->
-                            <ToggleButton x:Name="PART_ColorPickerToggleButton" Panel.ZIndex="1" IsTabStop="False" Style="{StaticResource ColorPickerToggleButtonStyle}" 
+                            <ToggleButton x:Name="PART_ColorPickerToggleButton" Panel.ZIndex="1" IsTabStop="False" 
+                                        Style="{StaticResource ColorPickerToggleButtonStyle}" 
                                         IsChecked="{Binding IsOpen, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}"
-                                        Grid.Column="0"  Grid.ColumnSpan="2" Margin="0"
-                                        Foreground="{TemplateBinding BorderBrush}"/>
+                                        Foreground="{TemplateBinding BorderBrush}">
+                                <!--<ContentControl x:Name="ColorOnly" Style="{StaticResource ColorDisplayStyle}" />-->
+                                <ContentControl x:Name="ColorOnly"
+                                                              HorizontalAlignment="Center"
+                                                              VerticalAlignment="Center"
+                                                              HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                                              VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                                                              Content="{Binding Content, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"                                                             
+                                                              SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
+                                                              UseLayoutRounding="False" Margin="0,0,0,0" />
+                            </ToggleButton>
 
                         </Grid>
 
@@ -365,11 +348,6 @@
                         </Popup>
                     </Grid>
                     <ControlTemplate.Triggers>
-                        <Trigger Property="DisplayColorAndName" Value="True">
-                            <Setter TargetName="ColorOnly" Property="Visibility" Value="Collapsed" />
-                            <Setter TargetName="ColorAndName" Property="Visibility" Value="Visible" />
-                        </Trigger>
-
                         <Trigger Property="ShowTabHeaders"
                            Value="False">
                             <Setter Property="Visibility"
diff --git a/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml.cs b/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml.cs
index 7c530c4..22bcdd0 100644
--- a/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml.cs
+++ b/AIStudio.Wpf.Mind/Controls/ColorPicker.xaml.cs
@@ -151,23 +151,6 @@ namespace  AIStudio.Wpf.Mind.Controls
 
         #endregion //ButtonStyle
 
-        #region DisplayColorAndName
-
-        public static readonly DependencyProperty DisplayColorAndNameProperty = DependencyProperty.Register("DisplayColorAndName", typeof(bool), typeof(ColorPicker), new UIPropertyMetadata(false));
-        public bool DisplayColorAndName
-        {
-            get
-            {
-                return (bool)GetValue(DisplayColorAndNameProperty);
-            }
-            set
-            {
-                SetValue(DisplayColorAndNameProperty, value);
-            }
-        }
-
-        #endregion //DisplayColorAndName
-
         #region ColorMode
 
         public static readonly DependencyProperty ColorModeProperty = DependencyProperty.Register("ColorMode", typeof(ColorMode), typeof(ColorPicker), new UIPropertyMetadata(ColorMode.ColorPalette));
@@ -530,6 +513,21 @@ namespace  AIStudio.Wpf.Mind.Controls
 
         #endregion //UsingAlphaChannel
 
+        /// <summary>Identifies the <see cref="Content"/> dependency property.</summary>
+        public static readonly DependencyProperty ContentProperty
+            = DependencyProperty.Register(nameof(Content),
+                                          typeof(object),
+                                          typeof(ColorPicker));
+
+        /// <summary>
+        /// Gets or sets the content of this control.
+        /// </summary>
+        public object Content
+        {
+            get => (object)this.GetValue(ContentProperty);
+            set => this.SetValue(ContentProperty, value);
+        }
+
         #endregion //Properties
 
         #region Constructors
diff --git a/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml b/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml
new file mode 100644
index 0000000..3ab3e36
--- /dev/null
+++ b/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml
@@ -0,0 +1,40 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:controls="clr-namespace:AIStudio.Wpf.Mind.Controls">
+    
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Styles/Button.xaml"/>
+    </ResourceDictionary.MergedDictionaries>
+
+    <Style x:Key="OpenFileTextBoxStyle" TargetType="{x:Type controls:OpenFileTextBox}">
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="BorderBrush" Value="Gray" />
+        <Setter Property="SnapsToDevicePixels" Value="True" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:OpenFileTextBox}">
+                    <Grid x:Name="RootGrid">
+                        <Grid.ColumnDefinitions>                       
+                            <ColumnDefinition Width="*" />
+                            <ColumnDefinition Width="Auto" />
+                        </Grid.ColumnDefinitions>
+                        <Border x:Name="Bg" 
+                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
+                                BorderBrush="{TemplateBinding BorderBrush}" 
+                                BorderThickness="{TemplateBinding BorderThickness}" 
+                                Background="{TemplateBinding Background}" 
+                                Grid.ColumnSpan="2"/>
+                        
+                        <!--内容区域-->
+                        <ScrollViewer x:Name="PART_ContentHost" BorderThickness="0" IsTabStop="False" Margin="2"
+                                          VerticalAlignment="Stretch" Background="{x:Null}" />
+                        <Button x:Name="PART_OpenButton" Grid.Column="1" Content="打开" Padding="6,0" Style="{StaticResource FlatButtonStyle}" />
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style TargetType="{x:Type controls:OpenFileTextBox}" BasedOn="{StaticResource OpenFileTextBoxStyle}" />
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml.cs b/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml.cs
new file mode 100644
index 0000000..e7d1535
--- /dev/null
+++ b/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml.cs
@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using Microsoft.Win32;
+
+namespace AIStudio.Wpf.Mind.Controls
+{
+    [TemplatePart(Name = PART_OpenButton, Type = typeof(Button))]
+    public class OpenFileTextBox : TextBox
+    {
+        private const string PART_OpenButton = "PART_OpenButton";
+        private Button _openButton;
+
+        static OpenFileTextBox()
+        {
+            DefaultStyleKeyProperty.OverrideMetadata(typeof(OpenFileTextBox), new FrameworkPropertyMetadata(typeof(OpenFileTextBox)));
+        }
+
+        /// <summary>Identifies the <see cref="Filter"/> dependency property.</summary>
+        public static readonly DependencyProperty FilterProperty
+            = DependencyProperty.Register(nameof(Filter), typeof(string), typeof(OpenFileTextBox), new UIPropertyMetadata("图像文件(*.bmp, *.jpg)|*.bmp;*.jpg|所有文件(*.*)|*.*"));
+
+        /// <summary> 
+        /// Whether or not the "popup" menu for this control is currently open
+        /// </summary>
+        public string Filter
+        {
+            get => (string)this.GetValue(FilterProperty);
+            set => this.SetValue(FilterProperty, (string)value);
+        }
+
+        public override void OnApplyTemplate()
+        {
+            base.OnApplyTemplate();
+
+            if (_openButton != null)
+            {
+                _openButton.Click -= _openButton_Click;
+            }
+
+            _openButton = this.Template.FindName(PART_OpenButton, this) as Button;
+
+            if (_openButton != null)
+            {
+                _openButton.Click += _openButton_Click;
+            }
+        }
+
+        private void _openButton_Click(object sender, RoutedEventArgs e)
+        {
+            OpenFileDialog fd = new OpenFileDialog();
+            fd.Title = "请选择文件";
+            fd.Filter = Filter;
+            fd.FileName = Text?.Trim();
+            if (fd.ShowDialog() == true)
+            {
+                SetValue(TextProperty, fd.FileName);
+            }
+            //this.Focus();
+        }
+    }
+}
diff --git a/AIStudio.Wpf.Mind/Controls/ToolBoxControl.xaml b/AIStudio.Wpf.Mind/Controls/ToolBoxControl.xaml
index d188dda..cb58bf3 100644
--- a/AIStudio.Wpf.Mind/Controls/ToolBoxControl.xaml
+++ b/AIStudio.Wpf.Mind/Controls/ToolBoxControl.xaml
@@ -122,11 +122,11 @@
                             <controls:DropDownButton.Items>
                                 <StackPanel Orientation="Horizontal">
                                     <TextBlock Text="链接地址："></TextBlock>
-                                    <TextBox x:Name="link" Width="300" Text="{Binding SelectedItem.LinkInfo.Link}"/>
+                                    <TextBox x:Name="link" Width="300" Height="50" Text="{Binding SelectedItem.LinkInfo.Link}"/>
                                 </StackPanel>
                                 <StackPanel Orientation="Horizontal">
                                     <TextBlock Text="提示文本："></TextBlock>
-                                    <TextBox x:Name="linktext" Width="300" Text="{Binding SelectedItem.LinkInfo.Text}"/>
+                                    <TextBox x:Name="linktext" Width="300" Height="50" Text="{Binding SelectedItem.LinkInfo.Text}"/>
                                 </StackPanel>
                                 <MenuItem Header="插入链接" Command="{Binding AddLinkCommand}">
                                     <MenuItem.CommandParameter>
@@ -149,11 +149,11 @@
                             <controls:DropDownButton.Items>
                                 <StackPanel Orientation="Horizontal">
                                     <TextBlock Text="文件地址："></TextBlock>
-                                    <TextBox x:Name="imageurl" Width="300" Text="{Binding SelectedItem.ImageInfo.Url}"/>
+                                    <TextBox x:Name="imageurl" Width="300" Height="50" Text="{Binding SelectedItem.ImageInfo.Url}"/>
                                 </StackPanel>
                                 <StackPanel Orientation="Horizontal">
                                     <TextBlock Text="提示文本："></TextBlock>
-                                    <TextBox x:Name="imagetext" Width="300" Text="{Binding SelectedItem.ImageInfo.Text}"/>
+                                    <TextBox x:Name="imagetext" Width="300" Height="50" Text="{Binding SelectedItem.ImageInfo.Text}"/>
                                 </StackPanel>
                                 <MenuItem Header="插入图片" Command="{Binding AddImageCommand}">
                                     <MenuItem.CommandParameter>
@@ -174,7 +174,8 @@
                                 </StackPanel>
                             </controls:DropDownButton.Content>
                             <controls:DropDownButton.Items>
-                                <MenuItem Header="插入备注" Command="{Binding AddRemarkCommand}"></MenuItem>
+                                <TextBox x:Name="remark" Width="300" Height="50" Text="{Binding SelectedItem.Remark}"/>
+                                <MenuItem Header="插入备注" Command="{Binding AddRemarkCommand}" CommandParameter="{Binding ElementName=remark,Path=Text}"></MenuItem>
                                 <MenuItem Header="移除已有备注" Command="{Binding RemoveRemarkCommand}"></MenuItem>
                             </controls:DropDownButton.Items>
                         </controls:DropDownButton>
@@ -488,19 +489,19 @@
                             <ColumnDefinition/>
                             <ColumnDefinition/>
                         </Grid.ColumnDefinitions>
-                        <Button Grid.RowSpan="2" Style="{StaticResource FlatButtonStyle}" >
+                        <Button Grid.RowSpan="2" Style="{StaticResource FlatButtonStyle}" Command="{Binding ClearThemeCommand}">
                             <StackPanel>
                                 <Path Width="18" Height="18" Stretch="Uniform" Fill="Black" Data="M719.329882 422.249412l-255.578353 255.578353 234.315295 234.315294 255.518117-255.638588-234.315294-234.255059zM59.151059 315.813647l298.164706-298.164706a60.235294 60.235294 0 0 1 85.172706 0l596.329411 596.329412a60.235294 60.235294 0 0 1 0 85.172706l-298.164706 298.164706a60.235294 60.235294 0 0 1-85.232941 0l-596.329411-596.329412a60.235294 60.235294 0 0 1 0-85.172706z"></Path>
                                 <TextBlock>清除样式</TextBlock>
                             </StackPanel>
                         </Button>
-                        <Button Grid.Column="1" Style="{StaticResource FlatButtonStyle}" >
+                        <Button Grid.Column="1" Style="{StaticResource FlatButtonStyle}" Command="{Binding CopyThemeCommand}">
                             <StackPanel Orientation="Horizontal">
                                 <Path Width="12" Height="12" Stretch="Uniform" Fill="Black" Data="M701.248 177.6l175.104-113.024 83.456 114.88-131.136 162.304-127.424-164.16z m-133.376-61.568c51.264 6.976 300.608 346.624 294.272 384.704s-145.536 143.68-145.536 143.68L400.64 238.592s116.032-129.6 167.232-122.56zM370.368 288.448l305.024 396.672-187.136 272L65.664 359.04s83.776-3.84 153.536-24.32c45.632-13.504 151.232-46.272 151.168-46.272z"></Path>
                                 <TextBlock>复制样式</TextBlock>
                             </StackPanel>
                         </Button>
-                        <Button Grid.Column="1" Grid.Row="1" Style="{StaticResource FlatButtonStyle}" >
+                        <Button Grid.Column="1" Grid.Row="1" Style="{StaticResource FlatButtonStyle}" Command="{Binding PasteThemeCommand}">
                             <StackPanel Orientation="Horizontal">
                                 <Path Width="12" Height="12" Stretch="Uniform" Fill="Black" Data="M411.880727 905.169455v-279.272728h149.876364v279.272728z m54.272-279.645091v-124.881455h412.904728V325.771636h-64.605091v116.363637h-698.181819v-279.272728h698.181819v116.363637h111.104v268.055273h-412.904728v78.289454z"></Path>
                                 <TextBlock>粘贴样式</TextBlock>
@@ -515,8 +516,7 @@
                         </Grid.RowDefinitions>
                         <StackPanel Orientation="Horizontal">
                             <ComboBox x:Name="comboBoxFontName"
-                                         MinWidth="40"
-                                         Height="22"
+                                         Width="80"
                                          BorderBrush="Gainsboro"
                                          IsTextSearchEnabled="True"
                                          ScrollViewer.CanContentScroll="False"
@@ -530,9 +530,8 @@
                                 </ComboBox.ItemTemplate>
                             </ComboBox>
                             <ComboBox x:Name="comboBoxFontSize"
-                                         Width="49"
+                                         Width="50"
                                          HorizontalAlignment="Left"
-                                         Height="22"
                                          BorderBrush="Gainsboro"
                                          IsEditable="True"
                                          ItemsSource="{Binding SelectedItem.FontViewModel.FontSizes}"
@@ -553,8 +552,45 @@
                                              IsChecked="{Binding SelectedItem.FontViewModel.FontStyle,Converter={dd:ConverterValueMapToBool Parameter='Normal'}, ConverterParameter='Italic'}">
                                 <Path Stretch="Uniform" Margin="2" Fill="{Binding RelativeSource={RelativeSource AncestorType=ToggleButton}, Path=Foreground}" Data="M320 48v32a16 16 0 0 1-16 16h-62.76l-80 320H208a16 16 0 0 1 16 16v32a16 16 0 0 1-16 16H16a16 16 0 0 1-16-16v-32a16 16 0 0 1 16-16h62.76l80-320H112a16 16 0 0 1-16-16V48a16 16 0 0 1 16-16h192a16 16 0 0 1 16 16z"></Path>
                             </ToggleButton>
-                            <controls:ColorPicker SelectedColor="{Binding SelectedItem.FontViewModel.FontColor}"/>
-                            <controls:ColorPicker SelectedColor="{Binding SelectedItem.ColorViewModel.FillColor.Color}"/>
+                            <controls:ColorPicker SelectedColor="{Binding SelectedItem.FontViewModel.FontColor}">
+                                <controls:ColorPicker.Content>
+                                    <Grid>
+                                        <Rectangle VerticalAlignment="Bottom"
+                                               Height="4"
+                                               Width="14"
+                                               HorizontalAlignment="Center">
+                                            <Rectangle.Fill>
+                                                <SolidColorBrush Color="{Binding SelectedItem.FontViewModel.FontColor}" />
+                                            </Rectangle.Fill>
+                                        </Rectangle>
+                                        <Path Width="14" Height="14" Stretch="Uniform" RenderTransformOrigin="0.5,0.5" Fill="Black" Data="M725 977l-170 -450c99 -1 198 -4 297 -4c19 0 38 1 57 2c-52 152 -113 307 -184 452zM0 -128l2 79c94 29 196 9 238 117l237 616l280 724h128c4 -7 8 -14 11 -21l205 -480c75 -177 144 -356 220 -532c45 -104 80 -211 130 -313c7 -16 21 -46 35 -57 c33 -26 125 -32 172 -50c3 -19 6 -38 6 -57c0 -9 -1 -17 -1 -26c-127 0 -254 16 -381 16c-131 0 -262 -11 -393 -15c0 26 1 52 4 78l131 28c27 6 80 13 80 50c0 36 -129 333 -145 374l-450 2c-26 -58 -127 -320 -127 -358c0 -77 147 -80 204 -88c1 -19 1 -38 1 -58 c0 -9 -1 -18 -2 -27c-116 0 -233 20 -349 20c-14 0 -34 -6 -48 -8c-63 -11 -125 -14 -188 -14z">
+                                            <Path.RenderTransform>
+                                                <ScaleTransform ScaleY="-1"/>
+                                            </Path.RenderTransform>
+                                        </Path>
+                                       
+                                    </Grid>
+                                </controls:ColorPicker.Content>
+                            </controls:ColorPicker>
+                            <controls:ColorPicker SelectedColor="{Binding SelectedItem.ColorViewModel.FillColor.Color}">
+                                <controls:ColorPicker.Content>
+                                    <Grid>
+                                        <Rectangle VerticalAlignment="Bottom"
+                                               Height="4"
+                                               Width="14"
+                                               HorizontalAlignment="Center">
+                                            <Rectangle.Fill>
+                                                <SolidColorBrush Color="{Binding SelectedItem.ColorViewModel.FillColor.Color}" />
+                                            </Rectangle.Fill>
+                                        </Rectangle>
+                                        <Path Width="14" Height="14" Stretch="Uniform" RenderTransformOrigin="0.5,0.5" Fill="Black" Data="M853.333 362.667c-3.925-2.731-85.333-88.875-85.333-149.333 0-63.744 40.491-104.448 85.333-106.667 38.656-1.877 85.333 38.016 85.333 106.667 0 64-81.408 146.603-85.333 149.333zM409.003 106.667c16.128-16.128 37.547-25.003 60.331-25.003s44.203 8.875 60.331 25.003l298.667 298.667-456.832 456.832-60.331-60.331 97.835-97.835-238.336-238.336c-16.128-16.128-25.003-37.547-25.003-60.331s8.875-44.203 25.003-60.331l238.336-238.336zM469.333 643.669l238.336-238.336h-476.672l238.336 238.336z">
+                                            <Path.RenderTransform>
+                                                <ScaleTransform ScaleY="-1"/>
+                                            </Path.RenderTransform>
+                                        </Path>                                       
+                                    </Grid>
+                                </controls:ColorPicker.Content>
+                            </controls:ColorPicker>
                         </StackPanel>
                     </Grid>
                 </Grid>
@@ -583,12 +619,12 @@
                             </StackPanel>
                         </controls:DropDownButton.Content>
                         <controls:DropDownButton.Items>
-                            <MenuItem Header="展开到一级节点" IsCheckable="True" Command="{Binding Expand2Level1Command}" />
-                            <MenuItem Header="展开到二级节点" IsCheckable="True" Command="{Binding Expand2Level2Command}" />
-                            <MenuItem Header="展开到三级节点" IsCheckable="True" Command="{Binding Expand2Level3Command}" />
-                            <MenuItem Header="展开到四级节点" IsCheckable="True" Command="{Binding Expand2Level4Command}" />
-                            <MenuItem Header="展开到五级节点" IsCheckable="True" Command="{Binding Expand2Level5Command}" />
-                            <MenuItem Header="展开到六级节点" IsCheckable="True" Command="{Binding Expand2Level6Command}" />
+                            <MenuItem Header="展开到一级节点" Command="{Binding Expand2LevelCommand}" CommandParameter="1"/>
+                            <MenuItem Header="展开到二级节点" Command="{Binding Expand2LevelCommand}" CommandParameter="2"/>
+                            <MenuItem Header="展开到三级节点" Command="{Binding Expand2LevelCommand}" CommandParameter="3"/>
+                            <MenuItem Header="展开到四级节点" Command="{Binding Expand2LevelCommand}" CommandParameter="4"/>
+                            <MenuItem Header="展开到五级节点" Command="{Binding Expand2LevelCommand}" CommandParameter="5"/>
+                            <MenuItem Header="展开到六级节点" Command="{Binding Expand2LevelCommand}" CommandParameter="6"/>
                         </controls:DropDownButton.Items>
                     </controls:DropDownButton>
                     <controls:DropDownButton Grid.Column="1">
diff --git a/AIStudio.Wpf.Mind/Themes/Generic.xaml b/AIStudio.Wpf.Mind/Themes/Generic.xaml
index dcbe0ef..37b93d6 100644
--- a/AIStudio.Wpf.Mind/Themes/Generic.xaml
+++ b/AIStudio.Wpf.Mind/Themes/Generic.xaml
@@ -11,6 +11,7 @@
         <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Controls/TagControl.xaml"/>
         <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Controls/ColorCanvas.xaml"/>
         <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Controls/ColorPicker.xaml"/>
+        <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Controls/OpenFileTextBox.xaml"/>
     </ResourceDictionary.MergedDictionaries>
 
 </ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Themes/MindNode.xaml b/AIStudio.Wpf.Mind/Themes/MindNode.xaml
index 3be20fe..7dd908b 100644
--- a/AIStudio.Wpf.Mind/Themes/MindNode.xaml
+++ b/AIStudio.Wpf.Mind/Themes/MindNode.xaml
@@ -9,7 +9,7 @@
     <dd:IntToVisibilityConverter x:Key="IntToVisibilityConverter"/>
     <dd:DoubleToThickness x:Key="DoubleToThickness"/>
     <dd:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter"/>
-
+    <dd:NotNullOrEmptyToBoolConverter x:Key="NotNullOrEmptyToBoolConverter"/>
     <!-- Toggle Button -->
     <Style x:Key="ExpandCollapseToggleStyle" TargetType="ToggleButton">
         <Setter Property="Focusable" Value="False"/>
@@ -69,7 +69,10 @@
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="*"/>
                     </Grid.RowDefinitions>
-                    <Image x:Name="image" Source="{Binding ImageInfo.Url}" Stretch="Fill" Width="128" Height="128" Visibility="{Binding ImageInfo.Url,FallbackValue='',Converter={StaticResource NullableToVisibilityConverter}}"  IsHitTestVisible="False"/>
+                    <Image x:Name="image" Margin="5" Stretch="Fill" Width="128" Height="128" 
+                           Visibility="{Binding ImageInfo.Url,FallbackValue='',Converter={StaticResource NullableToVisibilityConverter}}"  
+                           ToolTip="{Binding ImageInfo.Text}"
+                           IsHitTestVisible="False"/>
                     <Grid Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center">
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="Auto"/>
@@ -100,6 +103,9 @@
             <ToggleButton x:Name="toggle" IsChecked="{Binding IsExpanded}" Style="{StaticResource ExpandCollapseToggleStyle}" HorizontalAlignment="Left" Margin="-15,0,0,0" Visibility="{Binding Children.Count,Converter={StaticResource IntToVisibilityConverter}}"/>
         </Grid>
         <ControlTemplate.Triggers>
+            <DataTrigger Binding="{Binding ImageInfo.Url,Converter={StaticResource NotNullOrEmptyToBoolConverter}}" Value="true">
+                <Setter TargetName="image" Property="Source" Value="{Binding ImageInfo.Url}"/>
+            </DataTrigger>
             <DataTrigger Binding="{Binding ConnectorOrientation}" Value="None">
                 <Setter TargetName="toggle" Property="Visibility" Value="Collapsed"/>
             </DataTrigger>
diff --git a/AIStudio.Wpf.Mind/ViewModels/IMindDiagramViewModel.cs b/AIStudio.Wpf.Mind/ViewModels/IMindDiagramViewModel.cs
index 06102cd..413525d 100644
--- a/AIStudio.Wpf.Mind/ViewModels/IMindDiagramViewModel.cs
+++ b/AIStudio.Wpf.Mind/ViewModels/IMindDiagramViewModel.cs
@@ -80,34 +80,10 @@ namespace AIStudio.Wpf.Mind.ViewModels
             get;
         }
 
-        SimpleCommand Expand2Level1Command
+        SimpleCommand Expand2LevelCommand
         {
             get;
         }
 
-        SimpleCommand Expand2Level2Command
-        {
-            get;
-        }
-
-        SimpleCommand Expand2Level3Command
-        {
-            get;
-        }
-
-        SimpleCommand Expand2Level4Command
-        {
-            get;
-        }
-
-        SimpleCommand Expand2Level5Command
-        {
-            get;
-        }
-
-        SimpleCommand Expand2Level6Command
-        {
-            get;
-        }
     }
 }
diff --git a/AIStudio.Wpf.Mind/ViewModels/MindDiagramViewModel.cs b/AIStudio.Wpf.Mind/ViewModels/MindDiagramViewModel.cs
index ad9c08a..5a3a4ac 100644
--- a/AIStudio.Wpf.Mind/ViewModels/MindDiagramViewModel.cs
+++ b/AIStudio.Wpf.Mind/ViewModels/MindDiagramViewModel.cs
@@ -273,57 +273,12 @@ namespace AIStudio.Wpf.Mind.ViewModels
             }
         }
 
-        private SimpleCommand _expand2Level1Command;
-        public SimpleCommand Expand2Level1Command
+        private SimpleCommand _expand2LevelCommand;
+        public SimpleCommand Expand2LevelCommand
         {
             get
             {
-                return this._expand2Level1Command ?? (this._expand2Level1Command = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2Level1Command));
-            }
-        }
-
-        private SimpleCommand _expand2Level2Command;
-        public SimpleCommand Expand2Level2Command
-        {
-            get
-            {
-                return this._expand2Level2Command ?? (this._expand2Level2Command = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2Level2Command));
-            }
-        }
-
-        private SimpleCommand _expand2Level3Command;
-        public SimpleCommand Expand2Level3Command
-        {
-            get
-            {
-                return this._expand2Level3Command ?? (this._expand2Level3Command = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2Level3Command));
-            }
-        }
-
-        private SimpleCommand _expand2Level4Command;
-        public SimpleCommand Expand2Level4Command
-        {
-            get
-            {
-                return this._expand2Level4Command ?? (this._expand2Level4Command = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2Level4Command));
-            }
-        }
-
-        private SimpleCommand _expand2Level5Command;
-        public SimpleCommand Expand2Level5Command
-        {
-            get
-            {
-                return this._expand2Level5Command ?? (this._expand2Level5Command = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2Level5Command));
-            }
-        }
-
-        private SimpleCommand _expand2Level6Command;
-        public SimpleCommand Expand2Level6Command
-        {
-            get
-            {
-                return this._expand2Level6Command ?? (this._expand2Level6Command = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2Level6Command));
+                return this._expand2LevelCommand ?? (this._expand2LevelCommand = new SimpleCommand(ExecuteEnable, this.ExecutedExpand2LevelCommand));
             }
         }
         #endregion
@@ -653,24 +608,41 @@ namespace AIStudio.Wpf.Mind.ViewModels
             SelectedItems.OfType<MindNode>().ToList().ForEach(p => {
                 if (p.LinkInfo != null)
                 {
-                    p.LinkInfo.Link = null; p.LinkInfo.Text = null;
+                    p.LinkInfo.Link = null; 
+                    p.LinkInfo.Text = null;
                 }
             });
         }
 
         private void ExecuteAddImageCommand(object obj)
         {
+            if (obj is object[] array && array.Length == 2)
+            {
+                SelectedItems.OfType<MindNode>().ToList().ForEach(p => {
+                    if (p.ImageInfo == null)
+                        p.ImageInfo = new ImageInfo();
 
+                    p.ImageInfo.Url = array[0]?.ToString();
+                    p.ImageInfo.Text = array[1]?.ToString();
+
+                });
+            }
         }
 
         private void ExecuteRemoveImageCommand(object obj)
         {
-
+            SelectedItems.OfType<MindNode>().ToList().ForEach(p => {
+                if (p.ImageInfo != null)
+                {
+                    p.ImageInfo.Url = null;
+                    p.ImageInfo.Text = null;
+                }
+            });
         }
 
         private void ExecuteAddRemarkCommand(object obj)
         {
-            SelectedItems.OfType<MindNode>().ToList().ForEach(p => p.Remark = "备注");
+            SelectedItems.OfType<MindNode>().ToList().ForEach(p => p.Remark = obj?.ToString());
         }
 
         private void ExecuteRemoveRemarkCommand(object obj)
@@ -776,6 +748,7 @@ namespace AIStudio.Wpf.Mind.ViewModels
             }
         }
 
+        private MindNode FormatNode;
         private void ExecutedCopyThemeCommand(object parameter)
         {
             if (parameter is MindNode node)
@@ -789,44 +762,68 @@ namespace AIStudio.Wpf.Mind.ViewModels
 
             if (node != null)
             {
-
+                FormatNode = node;
             }
         }
 
         private void ExecutedPasteThemeCommand(object parameter)
         {
+            if (FormatNode != null)
+            {
+                List<MindNode> nodes = new List<MindNode>();
+                if (parameter is MindNode node1)
+                {
+                    nodes.Add(node1);
+                }
+                else if (parameter is IEnumerable<MindNode> para)
+                {
+                    nodes.AddRange(para);
+                }
+                else
+                {
+                    nodes.AddRange(SelectedItems.OfType<MindNode>());
+                }
+
+                if (nodes.Any())
+                {
+                    DoCommandManager.DoNewCommand(this.ToString(),
+                      () => {
+                          foreach (var node in nodes)
+                          {
+                              CopyHelper.CopyPropertyValue(FormatNode.ColorViewModel, node.ColorViewModel);
+                              CopyHelper.CopyPropertyValue(FormatNode.FontViewModel, node.FontViewModel);
+                          }
+                          RootItem.LayoutUpdated();
+                      },
+                      () => {
+                          //ToDo
+                      });
+                }
+             
+            }
 
         }
 
-        private void ExecutedExpand2Level1Command(object obj)
+        private void ExecutedExpand2LevelCommand(object obj)
         {
-
-        }
-
-        private void ExecutedExpand2Level2Command(object obj)
-        {
-
-        }
-
-        private void ExecutedExpand2Level3Command(object obj)
-        {
-
-        }
-
-        private void ExecutedExpand2Level4Command(object obj)
-        {
-
-        }
-
-        private void ExecutedExpand2Level5Command(object obj)
-        {
-
-        }
-
-        private void ExecutedExpand2Level6Command(object obj)
-        {
-
-        }
+            int level = 0;
+            int.TryParse(obj?.ToString(), out level);
+            foreach (var item in Items.OfType<MindNode>())
+            {
+                if (item.NodeLevel == 0)
+                {
+                    continue;
+                }
+                else if (item.NodeLevel < level)
+                {
+                    item.IsExpanded = true;
+                }
+                else
+                {
+                    item.IsExpanded = false;
+                }
+            }
+        }      
         #endregion
         protected override void ExecutedResetLayoutCommand(object obj)
         {
diff --git a/AIStudio.Wpf.Mind/ViewModels/MindNode.cs b/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
index 4a5230b..44681ed 100644
--- a/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
+++ b/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
@@ -66,6 +66,8 @@ namespace AIStudio.Wpf.Mind.ViewModels
             MoveBackCommand = (Root as IMindDiagramViewModel)?.MoveBackCommand;
             BuildMenuOptions();
             Tags = new ObservableCollection<string>();
+            LinkInfo = new LinkInfo();
+            ImageInfo = new ImageInfo();
         }
 
         public void InitLayout(bool initAppearance)
@@ -228,7 +230,7 @@ namespace AIStudio.Wpf.Mind.ViewModels
         #endregion
 
         #region 附加信息属性
-        private LinkInfo _linkInfo = new LinkInfo();
+        private LinkInfo _linkInfo;
         public LinkInfo LinkInfo
         {
             get
@@ -249,7 +251,7 @@ namespace AIStudio.Wpf.Mind.ViewModels
             }
         }
 
-        private ImageInfo _imageInfo = new ImageInfo();
+        private ImageInfo _imageInfo;
         public ImageInfo ImageInfo
         {
             get
@@ -539,7 +541,21 @@ namespace AIStudio.Wpf.Mind.ViewModels
                         break;
                     }
                 case nameof(ImageInfo.Url):
-                    break;
+                    {
+                        if (e is ValuePropertyChangedEventArgs valuePropertyChangedEventArgs)
+                        {
+                            if (string.IsNullOrEmpty(valuePropertyChangedEventArgs.OldValue?.ToString()) && !string.IsNullOrEmpty(valuePropertyChangedEventArgs.NewValue?.ToString()))
+                            {
+                                ItemWidth = Math.Max(ItemWidth, 160);
+                                ItemHeight += 135;
+                            }
+                            else if (!string.IsNullOrEmpty(valuePropertyChangedEventArgs.OldValue?.ToString()) && string.IsNullOrEmpty(valuePropertyChangedEventArgs.NewValue?.ToString()))
+                            {
+                                ItemHeight -= 135;
+                            }
+                        }
+                        break;
+                    }
             }
         }