diff --git a/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj b/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj
index 4b6e5f1..e3a48d0 100644
--- a/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj
+++ b/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj
@@ -124,6 +124,7 @@
     <ProjectReference Include="..\AIStudio.Wpf.DiagramDesigner\AIStudio.Wpf.DiagramDesigner.csproj" />
     <ProjectReference Include="..\AIStudio.Wpf.Flowchart\AIStudio.Wpf.Flowchart.csproj" />
     <ProjectReference Include="..\AIStudio.Wpf.Logical\AIStudio.Wpf.Logical.csproj" />
+    <ProjectReference Include="..\AIStudio.Wpf.Mind\AIStudio.Wpf.Mind.csproj" />
     <ProjectReference Include="..\AIStudio.Wpf.SFC\AIStudio.Wpf.SFC.csproj" />
   </ItemGroup>
 
diff --git a/AIStudio.Wpf.DiagramApp/App.xaml b/AIStudio.Wpf.DiagramApp/App.xaml
index 2f3f94d..8f026e9 100644
--- a/AIStudio.Wpf.DiagramApp/App.xaml
+++ b/AIStudio.Wpf.DiagramApp/App.xaml
@@ -12,6 +12,7 @@
                 <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Flowchart;component/Themes/FlowNode.xaml"/>
                 <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Logical;component/Themes/LogicalGateItemViewModel.xaml"/>
                 <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.SFC;component/Themes/SFCNode.xaml"/>
+                <ResourceDictionary Source="pack://application:,,,/AIStudio.Wpf.Mind;component/Themes/MindNode.xaml"/>
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </Application.Resources>
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs
index ec70c36..b453e2f 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs
@@ -13,7 +13,7 @@ using AIStudio.Wpf.DiagramDesigner;
 
 namespace AIStudio.Wpf.Flowchart
 {
-    public class FlowchartViewModel : DiagramsViewModel
+    public class FlowchartViewModel : PageViewModel
     {
         public FlowchartViewModel(string title, string status, DiagramType diagramType) : base(title, status, diagramType)
         {
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs
index 3514f1f..1c2edff 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/LogicalViewModel.cs
@@ -9,7 +9,7 @@ using AIStudio.Wpf.DiagramDesigner;
 
 namespace AIStudio.Wpf.Logical
 {
-    public class LogicalViewModel : DiagramsViewModel
+    public class LogicalViewModel : PageViewModel
     {
         public LogicalViewModel(string title, string status, DiagramType diagramType) : base(title, status, diagramType)
         {
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/MainWindowViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/MainWindowViewModel.cs
index c716752..605d051 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/MainWindowViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/MainWindowViewModel.cs
@@ -29,9 +29,9 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
         {
             ToolBoxViewModel = new ToolBoxViewModel();
 
-            DiagramsViewModels = new ObservableCollection<DiagramsViewModel>();
-            DiagramsViewModels.Add(new DiagramsViewModel("新建-1", "*", DiagramType.Normal));
-            DiagramsViewModel = DiagramsViewModels.FirstOrDefault();
+            DiagramsViewModels = new ObservableCollection<PageViewModel>();
+            DiagramsViewModels.Add(new PageViewModel("新建-1", "*", DiagramType.Normal));
+            PageViewModel = DiagramsViewModels.FirstOrDefault();
 
             StandardColor = GenerateStandardGradients();
 
@@ -50,8 +50,8 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
         #region 属性
         public ToolBoxViewModel ToolBoxViewModel { get; private set; }
 
-        private ObservableCollection<DiagramsViewModel> _diagramsViewModels;
-        public ObservableCollection<DiagramsViewModel> DiagramsViewModels
+        private ObservableCollection<PageViewModel> _diagramsViewModels;
+        public ObservableCollection<PageViewModel> DiagramsViewModels
         {
             get
             {
@@ -63,8 +63,8 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             }
         }
 
-        private DiagramsViewModel _diagramsViewModel;
-        public DiagramsViewModel DiagramsViewModel
+        private PageViewModel _diagramsViewModel;
+        public PageViewModel PageViewModel
         {
             get
             {
@@ -215,14 +215,14 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
         }
         #endregion
 
-        public Func<DiagramsViewModel> NewItemFactory
+        public Func<PageViewModel> NewItemFactory
         {
             get
             {
                 return
                     () =>
                     {
-                        return new DiagramsViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", DiagramType.Normal);
+                        return new PageViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", DiagramType.Normal);
                     };
             }
         }
@@ -659,7 +659,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             //here's how you can cancel stuff:
             //args.Cancel(); 
 
-            if (args.DragablzItem.DataContext is DiagramsViewModel viewModel)
+            if (args.DragablzItem.DataContext is PageViewModel viewModel)
             {
                 viewModel.Dispose();
             }
@@ -683,22 +683,22 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
                 RaisePropertyChanged(e.PropertyName);
             }
 
-            if (DiagramsViewModel == null) return;
+            if (PageViewModel == null) return;
 
             if (sender is IFontViewModel)
-                DiagramsViewModel.SetFont(sender as IFontViewModel, e.PropertyName);
+                PageViewModel.SetFont(sender as IFontViewModel, e.PropertyName);
 
             if (sender is IColorViewModel)
-                DiagramsViewModel.SetColor(sender as IColorViewModel, e.PropertyName);
+                PageViewModel.SetColor(sender as IColorViewModel, e.PropertyName);
 
             if (sender is IShapeViewModel)
-                DiagramsViewModel.SetSharp(sender as IShapeViewModel, e.PropertyName);
+                PageViewModel.SetSharp(sender as IShapeViewModel, e.PropertyName);
 
             if (sender is IQuickThemeViewModel)
-                DiagramsViewModel.SetQuickItem(sender as IQuickThemeViewModel, e.PropertyName);
+                PageViewModel.SetQuickItem(sender as IQuickThemeViewModel, e.PropertyName);
 
             if (sender is LockObject)
-                DiagramsViewModel.LockAction(sender as LockObject, e.PropertyName);
+                PageViewModel.LockAction(sender as LockObject, e.PropertyName);
 
             if (sender is DesignerItemViewModelBase designer
                 && (e.PropertyName == nameof(designer.Angle)
@@ -707,14 +707,14 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
                    || e.PropertyName == nameof(designer.ScaleX)
                    || e.PropertyName == nameof(designer.ScaleY)))
             {
-                DiagramsViewModel.SetPropertyValue(designer, e.PropertyName);
+                PageViewModel.SetPropertyValue(designer, e.PropertyName);
             }
         }
 
 
         public bool KeyExecuted(KeyEventArgs e)
         {
-            if (DiagramsViewModel?.DiagramViewModel?.ExecuteShortcut(e) == true)
+            if (PageViewModel?.DiagramViewModel?.ExecuteShortcut(e) == true)
             {
                 return true;
             }
@@ -734,17 +734,17 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
         private void UnDoExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.UndoCommand.Execute(null);
+            PageViewModel?.DiagramViewModel?.UndoCommand.Execute(null);
         }
 
         private void ReDoExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.RedoCommand.Execute(null);
+            PageViewModel?.DiagramViewModel?.RedoCommand.Execute(null);
         }
 
         private void SelectedAllExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.SelectAllCommand.Execute(null); 
+            PageViewModel?.DiagramViewModel?.SelectAllCommand.Execute(null); 
         }
 
         private void OpenExecuted(string para = null)
@@ -771,13 +771,13 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             var viewmodel = DiagramsViewModels.FirstOrDefault(p => p.FileName == filename);
             if (viewmodel != null)
             {
-                DiagramsViewModel = viewmodel;
+                PageViewModel = viewmodel;
                 MessageBox.Show("文档已经打开");
                 return;
             }
 
-            var diagram = DiagramsViewModel.OpenFile(filename, Path.GetExtension(filename));
-            DiagramsViewModel flow;
+            var diagram = PageViewModel.OpenFile(filename, Path.GetExtension(filename));
+            PageViewModel flow;
             if (diagram.DiagramType == DiagramType.FlowChart)
             {
                 flow = new FlowchartViewModel(filename, diagram);
@@ -792,14 +792,14 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             }
             else
             {
-                flow = new DiagramsViewModel(filename, diagram);
+                flow = new PageViewModel(filename, diagram);
             }
             DiagramsViewModels.Add(flow);
-            DiagramsViewModel = flow;
+            PageViewModel = flow;
 
             if (string.IsNullOrEmpty(para))
             {
-                SaveHistory(DiagramsViewModel);
+                SaveHistory(PageViewModel);
             }
             else
             {
@@ -810,39 +810,39 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
         private void SaveExecuted()
         {
-            if (DiagramsViewModel == null) return;
+            if (PageViewModel == null) return;
 
-            if (DiagramsViewModel.SaveFile())
+            if (PageViewModel.SaveFile())
             {
-                SaveHistory(DiagramsViewModel);
+                SaveHistory(PageViewModel);
             }
         }
 
         private void SaveAsExecuted()
         {
-            if (DiagramsViewModel == null) return;
+            if (PageViewModel == null) return;
 
-            if (DiagramsViewModel.SaveFile(true))
+            if (PageViewModel.SaveFile(true))
             {
-                SaveHistory(DiagramsViewModel);
+                SaveHistory(PageViewModel);
             }
         }
 
-        private void SaveHistory(DiagramsViewModel diagramsViewModel)
+        private void SaveHistory(PageViewModel diagramsViewModel)
         {
-            HistoryList.Remove(DiagramsViewModel.FileName);
-            HistoryList.Insert(0, DiagramsViewModel.FileName);
+            HistoryList.Remove(PageViewModel.FileName);
+            HistoryList.Insert(0, PageViewModel.FileName);
             File.WriteAllText(_history, JsonConvert.SerializeObject(HistoryList));
         }
 
         private bool Save_Enable()
         {
-            return DiagramsViewModel != null;
+            return PageViewModel != null;
         }
 
         private void PasteExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.PasteCommand.Execute(null);
+            PageViewModel?.DiagramViewModel?.PasteCommand.Execute(null);
         }
 
         private bool Paste_Enabled()
@@ -852,32 +852,32 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
         private void CopyExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.CopyCommand.Execute(null);
+            PageViewModel?.DiagramViewModel?.CopyCommand.Execute(null);
         }
 
         private bool Copy_Enabled()
         {
-            return DiagramsViewModel != null && DiagramsViewModel.DiagramViewModel != null && DiagramsViewModel.DiagramViewModel.SelectedItems.Count() > 0;
+            return PageViewModel != null && PageViewModel.DiagramViewModel != null && PageViewModel.DiagramViewModel.SelectedItems.Count() > 0;
         }
 
         private void DeleteExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.DeleteCommand.Execute(null);
+            PageViewModel?.DiagramViewModel?.DeleteCommand.Execute(null);
         }
 
         private bool Delete_Enabled()
         {
-            return DiagramsViewModel != null && DiagramsViewModel.DiagramViewModel != null && DiagramsViewModel.DiagramViewModel.SelectedItems.Count() > 0;
+            return PageViewModel != null && PageViewModel.DiagramViewModel != null && PageViewModel.DiagramViewModel.SelectedItems.Count() > 0;
         }
 
         private void CutExecuted()
         {
-            DiagramsViewModel?.DiagramViewModel?.CutCommand.Execute(null);
+            PageViewModel?.DiagramViewModel?.CutCommand.Execute(null);
         }
 
         private bool Cut_Enabled()
         {
-            return DiagramsViewModel != null && DiagramsViewModel.DiagramViewModel != null && DiagramsViewModel.DiagramViewModel.SelectedItems.Count() > 0;
+            return PageViewModel != null && PageViewModel.DiagramViewModel != null && PageViewModel.DiagramViewModel.SelectedItems.Count() > 0;
         }
 
         private void FormatExecuted()
@@ -887,7 +887,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
         private bool Format_Enabled()
         {
-            return DiagramsViewModel != null && DiagramsViewModel.DiagramViewModel != null && DiagramsViewModel.DiagramViewModel.SelectedItems.Count() == 1;
+            return PageViewModel != null && PageViewModel.DiagramViewModel != null && PageViewModel.DiagramViewModel.SelectedItems.Count() == 1;
         }
 
         private void New_Executed(string type = "Normal")
@@ -895,22 +895,26 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             IsOpenBackstage = false;
             if (type == DiagramType.FlowChart.ToString())
             {
-                DiagramsViewModel = new FlowchartViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
+                PageViewModel = new FlowchartViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
             }
             else if (type == DiagramType.Logical.ToString())
             {
-                DiagramsViewModel = new LogicalViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
+                PageViewModel = new LogicalViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
             }
             else if (type == DiagramType.SFC.ToString())
             {
-                DiagramsViewModel = new SFCViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
+                PageViewModel = new SFCViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
+            }
+            else if (type == DiagramType.Mind.ToString())
+            {
+                PageViewModel = new MindViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
             }
             else
             {
-                DiagramsViewModel = new DiagramsViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
+                PageViewModel = new PageViewModel(NewNameHelper.GetNewName(DiagramsViewModels.Select(p => p.Title), "新建-"), "*", (DiagramType)Enum.Parse(typeof(DiagramType), type));
             }
 
-            DiagramsViewModels.Add(DiagramsViewModel);
+            DiagramsViewModels.Add(PageViewModel);
         }
 
         private void ExitExecuted()
@@ -920,112 +924,112 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
         private void GroupExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.GroupCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.GroupCommand.Execute(para);
         }
 
         private void UngroupExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.UngroupCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.UngroupCommand.Execute(para);
         }
 
         #region 布局
         private void AlignTopExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.AlignTopCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.AlignTopCommand.Execute(para);
         }
         private void AlignVerticalCentersExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.AlignVerticalCentersCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.AlignVerticalCentersCommand.Execute(para);
         }
         private void AlignBottomExecuted(object para)
         {          
-            DiagramsViewModel?.DiagramViewModel?.AlignBottomCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.AlignBottomCommand.Execute(para);
         }
         private void AlignLeftExecuted(object para)
         {           
-            DiagramsViewModel?.DiagramViewModel?.AlignLeftCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.AlignLeftCommand.Execute(para);
         }
         private void AlignHorizontalCentersExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.AlignHorizontalCentersCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.AlignHorizontalCentersCommand.Execute(para);
         }
         private void AlignRightExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.AlignRightCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.AlignRightCommand.Execute(para);
         }
         private void BringForwardExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.BringForwardCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.BringForwardCommand.Execute(para);
         }
         private void BringToFrontExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.BringToFrontCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.BringToFrontCommand.Execute(para);
         }
         private void SendBackwardExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SendBackwardCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SendBackwardCommand.Execute(para);
         }
         private void SendToBackExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SendBackwardCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SendBackwardCommand.Execute(para);
         }
         private void DistributeHorizontalExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.DistributeHorizontalCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.DistributeHorizontalCommand.Execute(para);
         }
         private void DistributeVerticalExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.DistributeVerticalCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.DistributeVerticalCommand.Execute(para);
         }
         private void SelectAllExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SelectAllCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SelectAllCommand.Execute(para);
         }
         #endregion
 
         private void CenterMoveExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.CenterMoveCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.CenterMoveCommand.Execute(para);
         }
 
         private void LeftMoveExecuted(object para = null)
         {
-            DiagramsViewModel?.DiagramViewModel?.LeftMoveCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.LeftMoveCommand.Execute(para);
         }
 
         private void RightMoveExecuted(object para = null)
         {
-            DiagramsViewModel?.DiagramViewModel?.RightMoveCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.RightMoveCommand.Execute(para);
         }
 
         private void UpMoveExecuted(object para = null)
         {
-            DiagramsViewModel?.DiagramViewModel?.UpMoveCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.UpMoveCommand.Execute(para);
         }
 
         private void DownMoveExecuted(object para = null)
         {
-            DiagramsViewModel?.DiagramViewModel?.DownMoveCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.DownMoveCommand.Execute(para);
         }
 
         private void SameWidthExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SameWidthCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SameWidthCommand.Execute(para);
         }
 
         private void SameHeightExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SameHeightCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SameHeightCommand.Execute(para);
         }
 
         private void SameSizeExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SameSizeCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SameSizeCommand.Execute(para);
         }
 
         private void SameAngleExecuted(object para)
         {
-            DiagramsViewModel?.DiagramViewModel?.SameAngleCommand.Execute(para);
+            PageViewModel?.DiagramViewModel?.SameAngleCommand.Execute(para);
         }
 
         private void LockExecuted(object para)
@@ -1040,62 +1044,62 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
         private void AddPageExecuted(object para)
         {
-            DiagramsViewModel?.AddPageExecuted(para);
+            PageViewModel?.AddPageExecuted(para);
         }
 
         private void AddCopyPageExecuted(object para)
         {
-            DiagramsViewModel?.AddCopyPageExecuted(para);
+            PageViewModel?.AddCopyPageExecuted(para);
         }
 
         private void RenamePageExecuted(object para)
         {
-            DiagramsViewModel?.RenamePageExecuted(para);
+            PageViewModel?.RenamePageExecuted(para);
         }
 
         private void EndRenamePageExecuted(object para)
         {
-            DiagramsViewModel?.EndRenamePageExecuted(para);
+            PageViewModel?.EndRenamePageExecuted(para);
         }
 
         private void DeletePageExecuted(object para)
         {
-            DiagramsViewModel?.DeletePageExecuted(para);
+            PageViewModel?.DeletePageExecuted(para);
         }
 
         private void AddImageExecuted(object para)
         {
-            DiagramsViewModel?.AddImageExecuted(para);
+            PageViewModel?.AddImageExecuted(para);
         }
 
         private void EditImageExecuted(object para)
         {
-            DiagramsViewModel?.EditImageExecuted(DiagramsViewModel.DiagramViewModel.SelectedItems?.FirstOrDefault());
+            PageViewModel?.EditImageExecuted(PageViewModel.DiagramViewModel.SelectedItems?.FirstOrDefault());
         }
 
         private void ResizeImageExecuted(object para)
         {
-            DiagramsViewModel?.ResizeImageExecuted(DiagramsViewModel.DiagramViewModel.SelectedItems?.FirstOrDefault());
+            PageViewModel?.ResizeImageExecuted(PageViewModel.DiagramViewModel.SelectedItems?.FirstOrDefault());
         }
 
         private void ResetImageExecuted(object para)
         {
-            DiagramsViewModel?.ResetImageExecuted(DiagramsViewModel.DiagramViewModel.SelectedItems?.FirstOrDefault());
+            PageViewModel?.ResetImageExecuted(PageViewModel.DiagramViewModel.SelectedItems?.FirstOrDefault());
         }
 
         private void AddVideoExectued(object para)
         {
-            DiagramsViewModel?.AddVideoExecuted(para);
+            PageViewModel?.AddVideoExecuted(para);
         }
 
         private void AddOutLineTextExecuted(object para)
         {
-            DiagramsViewModel?.AddOutLineTextExecuted(para);
+            PageViewModel?.AddOutLineTextExecuted(para);
         }
 
         private void AddBarcodeExecuted(object para)
         {
-            DiagramsViewModel?.AddBarcodeExecuted(para);
+            PageViewModel?.AddBarcodeExecuted(para);
         }
 
         private void SelectedColorExecuted(object para)
@@ -1104,9 +1108,9 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
             switch (ColorType)
             {
-                case Models.ColorType.Text: DiagramsViewModel?.SetFont(new FontViewModel() { FontColor = (Color)para }, "FontColor"); break;
-                case Models.ColorType.Fill: DiagramsViewModel?.SetColor(new ColorViewModel() { FillColor = new ColorObject() { Color = (Color)para } }, "FillColor"); break;
-                case Models.ColorType.Line: DiagramsViewModel?.SetColor(new ColorViewModel() { LineColor = new ColorObject() { Color = (Color)para } }, "LineColor"); break;
+                case Models.ColorType.Text: PageViewModel?.SetFont(new FontViewModel() { FontColor = (Color)para }, "FontColor"); break;
+                case Models.ColorType.Fill: PageViewModel?.SetColor(new ColorViewModel() { FillColor = new ColorObject() { Color = (Color)para } }, "FillColor"); break;
+                case Models.ColorType.Line: PageViewModel?.SetColor(new ColorViewModel() { LineColor = new ColorObject() { Color = (Color)para } }, "LineColor"); break;
             }
         }
 
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs
new file mode 100644
index 0000000..25012a8
--- /dev/null
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs
@@ -0,0 +1,59 @@
+using AIStudio.Wpf.DiagramApp.Models;
+using AIStudio.Wpf.DiagramApp.ViewModels;
+using AIStudio.Wpf.Flowchart.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media;
+using AIStudio.Wpf.DiagramDesigner;
+using AIStudio.Wpf.Mind.ViewModels;
+
+namespace AIStudio.Wpf.Flowchart
+{
+    public class MindViewModel : PageViewModel
+    {
+        public MindViewModel(string title, string status, DiagramType diagramType) : base(title, status, diagramType)
+        {
+            
+        }
+        public MindViewModel(string filename, DiagramDocument diagramDocument) : base(filename, diagramDocument)
+        {          
+            _service.DrawModeViewModel.LineDrawMode = DrawMode.ConnectingLineSmooth;
+        }
+
+        protected override void InitDiagramViewModel()
+        {
+            base.InitDiagramViewModel();
+
+            DiagramViewModel.GridCellSize = new Size(100, 100);   
+            _service.DrawModeViewModel.LineDrawMode = DrawMode.ConnectingLineSmooth;
+            DiagramViewModel.AllowDrop = false;
+        }
+
+        protected override void Init()
+        {
+            base.Init();
+
+            DesignerItemViewModelBase start = new MindLevel1Node() { Left = 100, Top = 0, ItemWidth = 80, ItemHeight = 40, Text = "思维导图" };
+            DiagramViewModel.DirectAddItemCommand.Execute(start);
+            DiagramViewModel?.CenterMoveCommand.Execute(start);
+
+            DiagramViewModel.ClearSelectedItemsCommand.Execute(null);
+          
+        }
+
+        public override void Dispose()
+        {
+            base.Dispose();
+
+            foreach (var viewModel in DiagramViewModels)
+            {
+                FlowchartService.DisposeData(viewModel);
+            }
+        }
+    }
+}
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/DiagramsViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/PageViewModel.cs
similarity index 98%
rename from AIStudio.Wpf.DiagramApp/ViewModels/DiagramsViewModel.cs
rename to AIStudio.Wpf.DiagramApp/ViewModels/PageViewModel.cs
index c803081..3ef6179 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/DiagramsViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/PageViewModel.cs
@@ -21,11 +21,11 @@ using AIStudio.Wpf.DiagramDesigner.Helpers;
 
 namespace AIStudio.Wpf.DiagramApp.ViewModels
 {
-    public partial class DiagramsViewModel : BindableBase
+    public partial class PageViewModel : BindableBase
     {
         protected IDiagramServiceProvider _service { get { return DiagramServicesProvider.Instance.Provider; } }
        
-        public DiagramsViewModel(string title, string status, DiagramType diagramType)
+        public PageViewModel(string title, string status, DiagramType diagramType)
         {
             Title = title;
             Status = status;
@@ -39,7 +39,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
 
             Init();
         }
-        public DiagramsViewModel(string filename)
+        public PageViewModel(string filename)
         {
             FileName = filename;
             string ext = Path.GetExtension(filename);
@@ -47,7 +47,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             OpenFile(diagramDocument, ext);
         }
 
-        public DiagramsViewModel(string filename, DiagramDocument diagramDocument)
+        public PageViewModel(string filename, DiagramDocument diagramDocument)
         {
             FileName = filename;
             string ext = Path.GetExtension(filename);
@@ -253,6 +253,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
                 viewModel.PageSizeType = diagramItem.PageSizeType;
                 viewModel.PhysicalGridMarginSize = diagramItem.PhysicalGridMarginSize;
                 viewModel.GridColor = diagramItem.GridColor;
+                viewModel.AllowDrop = diagramItem.AllowDrop;
 
                 foreach (var diagramItemData in diagramItem.DesignerItems)
                 {
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs
index eb2bf87..3b89ef7 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs
@@ -16,7 +16,7 @@ using AIStudio.Wpf.DiagramDesigner;
 
 namespace AIStudio.Wpf.Flowchart
 {
-    public class SFCViewModel : DiagramsViewModel
+    public class SFCViewModel : PageViewModel
     {
         public SFCViewModel(string title, string status, DiagramType diagramType) : base(title, status, diagramType)
         {
diff --git a/AIStudio.Wpf.DiagramApp/Views/MainWindow.xaml b/AIStudio.Wpf.DiagramApp/Views/MainWindow.xaml
index cb8752b..8038250 100644
--- a/AIStudio.Wpf.DiagramApp/Views/MainWindow.xaml
+++ b/AIStudio.Wpf.DiagramApp/Views/MainWindow.xaml
@@ -94,6 +94,9 @@
                                             <Button Margin="5" ToolTip="顺序控制图"  Command="{Binding NewCommand}" CommandParameter="SFC" Width="80" Height="80" Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="{DynamicResource BlackBrush}">
                                                 <Path Stretch="Fill" Margin="20" Fill="{DynamicResource GrayBrush2}" Data="M10.984 13.836a.5.5 0 0 1-.353-.146l-.745-.743a.5.5 0 1 1 .706-.708l.392.391 1.181-1.18a.5.5 0 0 1 .708.707l-1.535 1.533a.504.504 0 0 1-.354.146zm9.353-.147l1.534-1.532a.5.5 0 0 0-.707-.707l-1.181 1.18-.392-.391a.5.5 0 1 0-.706.708l.746.743a.497.497 0 0 0 .706-.001zM4.527 7.452l2.557-1.585A1 1 0 0 0 7.09 4.17L4.533 2.56A1 1 0 0 0 3 3.406v3.196a1.001 1.001 0 0 0 1.527.85zm2.03-2.436L4 6.602V3.406l2.557 1.61zM24 12.5c0 1.93-1.57 3.5-3.5 3.5a3.503 3.503 0 0 1-3.46-3h-2.08a3.503 3.503 0 0 1-3.46 3 3.502 3.502 0 0 1-3.46-3h-.558c-.972 0-1.85-.399-2.482-1.042V17c0 1.654 1.346 3 3 3h.04c.244-1.693 1.7-3 3.46-3 1.93 0 3.5 1.57 3.5 3.5S13.43 24 11.5 24a3.502 3.502 0 0 1-3.46-3H8c-2.206 0-4-1.794-4-4V9.899A5.008 5.008 0 0 1 0 5c0-2.757 2.243-5 5-5s5 2.243 5 5a5.005 5.005 0 0 1-4.952 4.998A2.482 2.482 0 0 0 7.482 12h.558c.244-1.693 1.7-3 3.46-3a3.502 3.502 0 0 1 3.46 3h2.08a3.503 3.503 0 0 1 3.46-3c1.93 0 3.5 1.57 3.5 3.5zm-15 8c0 1.378 1.122 2.5 2.5 2.5s2.5-1.122 2.5-2.5-1.122-2.5-2.5-2.5S9 19.122 9 20.5zM5 9c2.206 0 4-1.794 4-4S7.206 1 5 1 1 2.794 1 5s1.794 4 4 4zm9 3.5c0-1.378-1.122-2.5-2.5-2.5S9 11.122 9 12.5s1.122 2.5 2.5 2.5 2.5-1.122 2.5-2.5zm9 0c0-1.378-1.122-2.5-2.5-2.5S18 11.122 18 12.5s1.122 2.5 2.5 2.5 2.5-1.122 2.5-2.5zm-13 8a.5.5 0 1 0 1 0 .5.5 0 0 0-1 0zm2 0a.5.5 0 1 0 1 0 .5.5 0 0 0-1 0zm12 0c0 1.93-1.57 3.5-3.5 3.5a3.503 3.503 0 0 1-3.46-3.002c-.007.001-.013.005-.021.005l-.506.017h-.017a.5.5 0 0 1-.016-.999l.506-.017c.018-.002.035.006.052.007A3.503 3.503 0 0 1 20.5 17c1.93 0 3.5 1.57 3.5 3.5zm-1 0c0-1.378-1.122-2.5-2.5-2.5S18 19.122 18 20.5s1.122 2.5 2.5 2.5 2.5-1.122 2.5-2.5z" ></Path>
                                             </Button>
+                                            <Button Margin="5" ToolTip="思维导图"  Command="{Binding NewCommand}" CommandParameter="Mind" Width="80" Height="80" Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="{DynamicResource BlackBrush}">
+                                                <Path Stretch="Fill" Margin="20" Fill="{DynamicResource GrayBrush2}" Data="M768 128a128 128 0 1 1 0 256h-128a128 128 0 0 1-120.704-85.333333H469.333333c-46.933333 0-85.333333 38.4-85.333333 85.333333v7.296a128 128 0 0 1 0 241.408V640c0 46.933333 38.4 85.333333 85.333333 85.333333h49.92A128.128 128.128 0 0 1 640 640h128a128 128 0 1 1 0 256h-128a128 128 0 0 1-120.704-85.333333H469.333333c-94.293333 0-170.666667-76.373333-170.666666-170.666667H213.333333a128 128 0 1 1 0-256h85.333334c0-94.293333 76.373333-170.666667 170.666666-170.666667h49.92A128.128 128.128 0 0 1 640 128h128z m0 597.333333h-128a42.666667 42.666667 0 0 0 0 85.333334h128a42.666667 42.666667 0 0 0 0-85.333334zM341.333333 469.333333H213.333333a42.666667 42.666667 0 0 0 0 85.333334h128a42.666667 42.666667 0 0 0 0-85.333334z m426.666667-256h-128a42.666667 42.666667 0 0 0 0 85.333334h128a42.666667 42.666667 0 0 0 0-85.333334z" ></Path>
+                                            </Button>
                                         </WrapPanel>
                                     </TabItem>
                                     <TabItem Header="待续" />
@@ -309,7 +312,7 @@
                                    Header="撤销"
                                    Icon="pack://application:,,,/AIStudio.Wpf.DiagramApp;component/Images/undo.png"
                                    SizeDefinition="Middle,Small" 
-                                   Command="{Binding DiagramsViewModel.DiagramViewModel.UndoCommand}">
+                                   Command="{Binding PageViewModel.DiagramViewModel.UndoCommand}">
                         <Fluent:Button.ToolTip>
                             <Fluent:ScreenTip Title="Undo"
                                               Text="撤销操作"
@@ -320,7 +323,7 @@
                                    Header="重做"
                                    Icon="pack://application:,,,/AIStudio.Wpf.DiagramApp;component/Images/redo.png"
                                    SizeDefinition="Middle,Small" 
-                                   Command="{Binding DiagramsViewModel.DiagramViewModel.RedoCommand}">
+                                   Command="{Binding PageViewModel.DiagramViewModel.RedoCommand}">
                         <Fluent:Button.ToolTip>
                             <Fluent:ScreenTip Title="Redo"
                                               Text="重做操作"
@@ -1461,7 +1464,7 @@
                                 <TextBlock Text="S" VerticalAlignment="Center" HorizontalAlignment="Center" FontSize="9"/>
                             </Grid>
                         </Fluent:SplitButton.LargeIcon>
-                        <ListBox BorderThickness="0" helper:EnumHelper.Enum="{x:Type dd:PageSizeType}" SelectedItem="{Binding DiagramsViewModel.DiagramViewModel.PageSizeType}">
+                        <ListBox BorderThickness="0" helper:EnumHelper.Enum="{x:Type dd:PageSizeType}" SelectedItem="{Binding PageViewModel.DiagramViewModel.PageSizeType}">
                             <ListBox.ItemTemplate>
                                 <DataTemplate>
                                     <TextBlock Text="{Binding .,Converter={StaticResource EnumDescriptionConverter}}" Margin="5"/>
@@ -1478,7 +1481,7 @@
                         <Fluent:SplitButton.LargeIcon>
                             <iconPacks:PackIconMaterial Kind="PhoneRotateLandscape" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                         </Fluent:SplitButton.LargeIcon>
-                        <ListBox BorderThickness="0" helper:EnumHelper.Enum="{x:Type dd:PageSizeOrientation}" SelectedItem="{Binding DiagramsViewModel.DiagramViewModel.PageSizeOrientation}">
+                        <ListBox BorderThickness="0" helper:EnumHelper.Enum="{x:Type dd:PageSizeOrientation}" SelectedItem="{Binding PageViewModel.DiagramViewModel.PageSizeOrientation}">
                             <ListBox.ItemTemplate>
                                 <DataTemplate>
                                     <TextBlock Text="{Binding .,Converter={StaticResource EnumDescriptionConverter}}" Margin="5"/>
@@ -1495,7 +1498,7 @@
                         <Fluent:SplitButton.LargeIcon>
                             <iconPacks:PackIconMaterial Kind="RulerSquare" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                         </Fluent:SplitButton.LargeIcon>
-                        <ListBox BorderThickness="0" helper:EnumHelper.Enum="{x:Type dd:PageUnit}" SelectedItem="{Binding DiagramsViewModel.DiagramViewModel.PageUnit}">
+                        <ListBox BorderThickness="0" helper:EnumHelper.Enum="{x:Type dd:PageUnit}" SelectedItem="{Binding PageViewModel.DiagramViewModel.PageUnit}">
                             <ListBox.ItemTemplate>
                                 <DataTemplate>
                                     <TextBlock Text="{Binding .,Converter={StaticResource EnumDescriptionConverter}}" Margin="5"/>
@@ -1518,21 +1521,21 @@
                                               Width="190" />
                         </Fluent:SplitButton.ToolTip>
                     </Fluent:SplitButton>
-                    <Fluent:SplitButton Header="网格" Width="50" VerticalAlignment="Top" IsCheckable="True" IsChecked="{Binding DiagramsViewModel.ShowGrid}" >
+                    <Fluent:SplitButton Header="网格" Width="50" VerticalAlignment="Top" IsCheckable="True" IsChecked="{Binding PageViewModel.ShowGrid}" >
                         <Fluent:SplitButton.LargeIcon>
                             <iconPacks:PackIconMaterial Kind="Grid" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                         </Fluent:SplitButton.LargeIcon>
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Margin="5" Text="宽度(mm)" VerticalAlignment="Center"/>
-                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding DiagramsViewModel.DiagramViewModel.PhysicalGridCellWidth,Mode=TwoWay}" Minimum="0" Format="0" />
+                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding PageViewModel.DiagramViewModel.PhysicalGridCellWidth,Mode=TwoWay}" Minimum="0" Format="0" />
                             <TextBlock Margin="5" Text="高度(mm)" VerticalAlignment="Center"/>
-                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding DiagramsViewModel.DiagramViewModel.PhysicalGridCellHeight,Mode=TwoWay}" Minimum="0" Format="0" />
+                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding PageViewModel.DiagramViewModel.PhysicalGridCellHeight,Mode=TwoWay}" Minimum="0" Format="0" />
                         </StackPanel>
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Margin="5" Text="左右边距(mm)" VerticalAlignment="Center"/>
-                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding DiagramsViewModel.DiagramViewModel.PhysicalGridMarginWidth,Mode=TwoWay}" Minimum="0" Format="0" />
+                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding PageViewModel.DiagramViewModel.PhysicalGridMarginWidth,Mode=TwoWay}" Minimum="0" Format="0" />
                             <TextBlock Margin="5" Text="上下边距(mm)" VerticalAlignment="Center"/>
-                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding DiagramsViewModel.DiagramViewModel.PhysicalGridMarginHeight,Mode=TwoWay}" Minimum="0" Format="0" />
+                            <Fluent:Spinner Margin="5" Width="60" Size="Small" Value="{Binding PageViewModel.DiagramViewModel.PhysicalGridMarginHeight,Mode=TwoWay}" Minimum="0" Format="0" />
                         </StackPanel>
 
                         <Fluent:SplitButton.ToolTip>
@@ -1543,28 +1546,28 @@
                     </Fluent:SplitButton>
                     <Fluent:SplitButton Header="横对齐" Width="50" VerticalAlignment="Top">
                         <UniformGrid Rows="4">
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Left'}, ConverterParameter='Left'}" ToolTip="左对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Left'}, ConverterParameter='Left'}" ToolTip="左对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <iconPacks:PackIconMaterial Foreground="Gray" Kind="FormatAlignLeft" VerticalAlignment="Center" HorizontalAlignment="Left"/>
                                     </Border>
                                 </Fluent:ToggleButton.LargeIcon>
                             </Fluent:ToggleButton>
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Center'}, ConverterParameter='Center'}" ToolTip="居中对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Center'}, ConverterParameter='Center'}" ToolTip="居中对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <iconPacks:PackIconMaterial Foreground="Gray" Kind="FormatAlignCenter" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                                     </Border>
                                 </Fluent:ToggleButton.LargeIcon>
                             </Fluent:ToggleButton>
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Right'}, ConverterParameter='Right'}" ToolTip="右对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Right'}, ConverterParameter='Right'}" ToolTip="右对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <iconPacks:PackIconMaterial Foreground="Gray" Kind="FormatAlignRight" VerticalAlignment="Center" HorizontalAlignment="Right"/>
                                     </Border>
                                 </Fluent:ToggleButton.LargeIcon>
                             </Fluent:ToggleButton>
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='None'}, ConverterParameter='None'}" ToolTip="无对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment,Converter={dd:ConverterValueMapToBool Parameter='None'}, ConverterParameter='None'}" ToolTip="无对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <TextBlock Text="无" HorizontalAlignment="Center" VerticalAlignment="Center"/>
@@ -1587,7 +1590,7 @@
                                     </Setter.Value>
                                 </Setter>
                                 <Style.Triggers>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="Left">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="Left">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1596,7 +1599,7 @@
                                             </Setter.Value>
                                         </Setter>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="Center">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="Center">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1605,7 +1608,7 @@
                                             </Setter.Value>
                                         </Setter>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="Right">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="Right">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1614,7 +1617,7 @@
                                             </Setter.Value>
                                         </Setter>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="None">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellHorizontalAlignment}" Value="None">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1629,28 +1632,28 @@
                     </Fluent:SplitButton>
                     <Fluent:SplitButton Header="竖对齐" Width="50" VerticalAlignment="Top">
                         <UniformGrid Columns="4">
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Top'}, ConverterParameter='Top'}" ToolTip="上对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Top'}, ConverterParameter='Top'}" ToolTip="上对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <iconPacks:PackIconMaterial Foreground="Gray" Kind="FormatAlignLeft" RotationAngle="90" VerticalAlignment="Top" HorizontalAlignment="Center"/>
                                     </Border>
                                 </Fluent:ToggleButton.LargeIcon>
                             </Fluent:ToggleButton>
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Center'}, ConverterParameter='Center'}" ToolTip="居中对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Center'}, ConverterParameter='Center'}" ToolTip="居中对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <iconPacks:PackIconMaterial Foreground="Gray" Kind="FormatAlignCenter" RotationAngle="90" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                                     </Border>
                                 </Fluent:ToggleButton.LargeIcon>
                             </Fluent:ToggleButton>
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Bottom'}, ConverterParameter='Bottom'}" ToolTip="下对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='Bottom'}, ConverterParameter='Bottom'}" ToolTip="下对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <iconPacks:PackIconMaterial Foreground="Gray" Kind="FormatAlignRight" RotationAngle="90" VerticalAlignment="Bottom" HorizontalAlignment="Center"/>
                                     </Border>
                                 </Fluent:ToggleButton.LargeIcon>
                             </Fluent:ToggleButton>
-                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='None'}, ConverterParameter='None'}" ToolTip="无对齐">
+                            <Fluent:ToggleButton Height="48" Width="48" SizeDefinition="Large" IsChecked="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment,Converter={dd:ConverterValueMapToBool Parameter='None'}, ConverterParameter='None'}" ToolTip="无对齐">
                                 <Fluent:ToggleButton.LargeIcon>
                                     <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
                                         <TextBlock Text="无" HorizontalAlignment="Center" VerticalAlignment="Center"/>
@@ -1668,7 +1671,7 @@
                                     </Setter.Value>
                                 </Setter>
                                 <Style.Triggers>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment}" Value="Top">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment}" Value="Top">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1677,7 +1680,7 @@
                                             </Setter.Value>
                                         </Setter>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment}" Value="Center">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment}" Value="Center">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1686,7 +1689,7 @@
                                             </Setter.Value>
                                         </Setter>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment}" Value="Bottom">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment}" Value="Bottom">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1695,7 +1698,7 @@
                                             </Setter.Value>
                                         </Setter>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding DiagramsViewModel.DiagramViewModel.CellVerticalAlignment}" Value="None">
+                                    <DataTrigger Binding="{Binding PageViewModel.DiagramViewModel.CellVerticalAlignment}" Value="None">
                                         <Setter Property="LargeIcon">
                                             <Setter.Value>
                                                 <Border BorderThickness="1" BorderBrush="Gray" Margin="6,6,6,6">
@@ -1734,7 +1737,7 @@
                         <Fluent:SplitButton.LargeIcon>
                             <iconPacks:PackIconMaterial Kind="File" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                         </Fluent:SplitButton.LargeIcon>
-                        <Fluent:ColorGallery     SelectedColor="{Binding DiagramsViewModel.DiagramViewModel.PageBackground, Mode=TwoWay}"
+                        <Fluent:ColorGallery     SelectedColor="{Binding PageViewModel.DiagramViewModel.PageBackground, Mode=TwoWay}"
                                                  Mode="StandardColors"
                                                  StandardColorGridRows="3"
                                                  Columns="10"
@@ -1806,7 +1809,7 @@
                 <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="48" Text="欢迎访问AIStudio画板" Foreground="{DynamicResource GrayBrush2}"/>
                 <dragablz:TabablzControl x:Name="table" 
                                      ItemsSource="{Binding DiagramsViewModels}" 
-                                     SelectedItem="{Binding DiagramsViewModel}"
+                                     SelectedItem="{Binding PageViewModel}"
                                      Background="Transparent"
                                      ItemContainerStyle="{StaticResource TrapezoidDragableTabItemStyle}"  
                                      ShowDefaultCloseButton="True"  
@@ -1945,8 +1948,8 @@
                           Grid.Row="2">
             <Fluent:StatusBarItem Title="Page" HorizontalAlignment="Left">
                 <StackPanel Orientation="Horizontal">
-                    <ListBox ItemsSource="{Binding DiagramsViewModel.DiagramViewModels}"
-                         SelectedItem="{Binding DiagramsViewModel.DiagramViewModel}"
+                    <ListBox ItemsSource="{Binding PageViewModel.DiagramViewModels}"
+                         SelectedItem="{Binding PageViewModel.DiagramViewModel}"
                          ScrollViewer.HorizontalScrollBarVisibility="Disabled" 
                          HorizontalAlignment="Center"
                          BorderBrush="Transparent"
@@ -2023,16 +2026,16 @@
                 <StackPanel Orientation="Horizontal">
                     <TextBlock VerticalAlignment="Center" Width="150">
                         <Run>鼠标位置(mm)：</Run>
-                        <Run Text="{Binding DiagramsViewModel.DiagramViewModel.CurrentPoint.X,StringFormat=f1}"/>
+                        <Run Text="{Binding PageViewModel.DiagramViewModel.CurrentPoint.X,StringFormat=f1}"/>
                          <Run>,</Run>
-                        <Run Text="{Binding DiagramsViewModel.DiagramViewModel.CurrentPoint.Y,StringFormat=f1}"/>
+                        <Run Text="{Binding PageViewModel.DiagramViewModel.CurrentPoint.Y,StringFormat=f1}"/>
                     </TextBlock>
                     <Rectangle Width="12" Height="12" Margin="5" VerticalAlignment="Center">
                         <Rectangle.Fill>
-                            <SolidColorBrush Color="{Binding DiagramsViewModel.DiagramViewModel.CurrentColor}" />
+                            <SolidColorBrush Color="{Binding PageViewModel.DiagramViewModel.CurrentColor}" />
                         </Rectangle.Fill>
                     </Rectangle>
-                    <TextBlock Width="66" VerticalAlignment="Center" Text="{Binding DiagramsViewModel.DiagramViewModel.CurrentColor}" />
+                    <TextBlock Width="66" VerticalAlignment="Center" Text="{Binding PageViewModel.DiagramViewModel.CurrentColor}" />
                 </StackPanel>
             </Fluent:StatusBarItem>
 
@@ -2051,7 +2054,7 @@
                                   HorizontalAlignment="Right">
                 <Slider x:Name="zoomSlider"
                         Minimum="0.5"
-                        Value="{Binding DiagramsViewModel.DiagramViewModel.ZoomValue}"
+                        Value="{Binding PageViewModel.DiagramViewModel.ZoomValue}"
                         Maximum="2.0"
                         IsDirectionReversed="False"
                         Style="{DynamicResource ZoomSliderStyle}"
diff --git a/AIStudio.Wpf.DiagramDesigner/Converters/DoubleToCornerRadius.cs b/AIStudio.Wpf.DiagramDesigner/Converters/DoubleToCornerRadius.cs
new file mode 100644
index 0000000..c456165
--- /dev/null
+++ b/AIStudio.Wpf.DiagramDesigner/Converters/DoubleToCornerRadius.cs
@@ -0,0 +1,68 @@
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class DoubleToCornerRadius : IValueConverter
+    {
+        public object Convert(object value, System.Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value != null)
+            {
+                if (parameter != null)
+                {
+                    switch (parameter.ToString())
+                    {
+                        case "TopLeft":
+                            return new CornerRadius(System.Convert.ToDouble(value), 0, 0, 0);
+
+                        case "TopRight":
+                            return new CornerRadius(0, System.Convert.ToDouble(value), 0, 0);
+
+                        case "BottomRight":
+                            return new CornerRadius(0, 0, System.Convert.ToDouble(value), 0);
+
+                        case "ButtomLeft":
+                            return new CornerRadius(0, 0, 0, System.Convert.ToDouble(value));
+                       
+                        default:
+                            return new CornerRadius(System.Convert.ToDouble(value));
+                    }
+                }
+                return new CornerRadius(System.Convert.ToDouble(value));
+            }
+            return new CornerRadius(0);
+        }
+
+        public object ConvertBack(object value, System.Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value != null)
+            {
+                if (parameter != null)
+                {
+                    switch (parameter.ToString())
+                    {
+                        case "TopLeft":
+                            return ((CornerRadius)value).TopLeft;
+
+                        case "TopRight":
+                            return ((CornerRadius)value).TopRight;
+
+                        case "BottomRight":
+                            return ((CornerRadius)value).BottomRight;
+
+                        case "BottomLeft":
+                            return ((CornerRadius)value).BottomLeft;
+
+                        default:
+                            return ((CornerRadius)value).TopLeft;
+                    }
+                }
+                return ((CornerRadius)value).TopLeft;
+            }
+            return 0.0;
+        }
+    }
+}
diff --git a/AIStudio.Wpf.DiagramDesigner/Enums/DiagramType.cs b/AIStudio.Wpf.DiagramDesigner/Enums/DiagramType.cs
index 6b983f6..b40c48a 100644
--- a/AIStudio.Wpf.DiagramDesigner/Enums/DiagramType.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Enums/DiagramType.cs
@@ -10,5 +10,6 @@ namespace AIStudio.Wpf.DiagramDesigner
         FlowChart,
         Logical,
         SFC,
+        Mind
     }
 }
diff --git a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
index 5aecf31..c7d673a 100644
--- a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
@@ -30,6 +30,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             PageSizeType = diagramView.PageSizeType;
             PhysicalGridMarginSize = diagramView.PhysicalGridMarginSize;
             GridColor = diagramView.GridColor;
+            AllowDrop = diagramView.AllowDrop;
         }
 
         [XmlAttribute]
@@ -154,6 +155,12 @@ namespace AIStudio.Wpf.DiagramDesigner
             }
         }
 
+        [XmlAttribute]
+        public bool AllowDrop
+        {
+            get; set;
+        }
+
         [XmlArray]
         public List<SerializableItem> DesignerItems { get; set; } = new List<SerializableItem>();
 
diff --git a/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml b/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
index b2e3ca1..cfdcfb9 100644
--- a/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
+++ b/AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
@@ -836,7 +836,7 @@
                                                 GridMarginSize="{Binding GridMarginSize}"
                                                 GridColor="{Binding GridColor}"
                                                 Background="{Binding PageBackground,Converter={StaticResource ColorBrushConverter}}"
-                                                AllowDrop="True">
+                                                AllowDrop="{Binding AllowDrop}">
                         </s:DesignerCanvas>
                     </ItemsPanelTemplate>
                 </ItemsControl.ItemsPanel>
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
index 59f0fce..345e3e0 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
@@ -13,6 +13,9 @@ using SvgPathProperties;
 
 namespace AIStudio.Wpf.DiagramDesigner
 {
+    /// <summary>
+    /// DefaultLink
+    /// </summary>
     public class ConnectionViewModel : SelectableDesignerItemViewModelBase
     {
         public ConnectionViewModel(FullyCreatedConnectorInfo sourceConnectorInfo, ConnectorInfoBase sinkConnectorInfo, DrawMode drawMode = DrawMode.ConnectingLineSmooth, RouterMode routerMode = AIStudio.Wpf.DiagramDesigner.RouterMode.RouterNormal) : this(null, sourceConnectorInfo, sinkConnectorInfo, drawMode, routerMode)
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs
index 3ccb3ff..dd4d056 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/FullyCreatedConnectorInfo.cs
@@ -199,6 +199,9 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             menuOptions.Clear();
             var orientation = new CinchMenuItem("方向");
+            var none = new CinchMenuItem("无");
+            none.Command = MenuItemCommand;
+            none.CommandParameter = ConnectorOrientation.None;
             var top = new CinchMenuItem("上");
             top.Command = MenuItemCommand;
             top.CommandParameter = ConnectorOrientation.Top;
@@ -211,6 +214,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             var right = new CinchMenuItem("右");
             right.Command = MenuItemCommand;
             right.CommandParameter = ConnectorOrientation.Right;
+            orientation.Children.Add(none);
             orientation.Children.Add(top);
             orientation.Children.Add(bottom);
             orientation.Children.Add(left);
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramOption.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramOption.cs
index c2a87bd..6552ddc 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramOption.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramOption.cs
@@ -8,12 +8,22 @@ namespace AIStudio.Wpf.DiagramDesigner
 {
     public class DiagramOption
     {
+        public LayoutOption LayoutOption
+        {
+            get; set;
+        } = new LayoutOption();
+
         public ShortcutOption ShortcutOption
         {
             get; set;
         } = new ShortcutOption();
     }
 
+    public class LayoutOption
+    {
+    
+    }
+
     public class ShortcutOption
     {
         [Description("Select All shortcut (CTRL+A by default)")]
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
index 0c43f77..c520068 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
@@ -503,6 +503,11 @@ namespace AIStudio.Wpf.DiagramDesigner
             get; set;
         } = new DiagramOption();
 
+        public bool AllowDrop
+        {
+            get; set;
+        } = true;
+
         private double OffsetX = 10;
         private double OffsetY = 10;
         #endregion
@@ -742,6 +747,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             PageSizeType = diagramItem.PageSizeType;
             PhysicalGridMarginSize = diagramItem.PhysicalGridMarginSize;
             GridColor = diagramItem.GridColor;
+            AllowDrop = diagramItem.AllowDrop;
         }
 
         public bool ExecuteEnable(object para)
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/GroupDesignerItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/GroupDesignerItemViewModel.cs
index 5713e0c..9bf13c8 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/GroupDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/GroupDesignerItemViewModel.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,6 +11,9 @@ using AIStudio.Wpf.DiagramDesigner.Models;
 
 namespace AIStudio.Wpf.DiagramDesigner
 {
+    /// <summary>
+    /// DefaultGroup
+    /// </summary>
     public class GroupDesignerItemViewModel : DesignerItemViewModelBase
     {
         public GroupDesignerItemViewModel() : this(null)
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/IDiagramViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/IDiagramViewModel.cs
index b4382e2..31b3c4b 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/IDiagramViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/IDiagramViewModel.cs
@@ -257,6 +257,10 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             get; set;
         }
+        bool AllowDrop
+        {
+            get; set;
+        } 
         System.Windows.Point CurrentPoint
         {
             get; set;
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/DefaultDesignerItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/DefaultDesignerItemViewModel.cs
index 20e8f0f..7f790e8 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/DefaultDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/DefaultDesignerItemViewModel.cs
@@ -1,10 +1,14 @@
 using System;
+using System.ComponentModel;
 using AIStudio.Wpf.DiagramDesigner;
 using AIStudio.Wpf.DiagramDesigner.Models;
 using AIStudio.Wpf.DiagramDesigner.Services;
 
 namespace AIStudio.Wpf.DiagramDesigner
 {
+    /// <summary>
+    /// DefaultNode
+    /// </summary>
     public class DefaultDesignerItemViewModel : DesignerItemViewModelBase
     {
         public DefaultDesignerItemViewModel() : this(null)
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs
index 702ed8f..c702b5f 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/GifImageItemViewModel.cs
@@ -114,7 +114,7 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         private void ExecuteAddItemCommand(object parameter)
         {
-            FullyCreatedConnectorInfo connector = new FullyCreatedConnectorInfo(this, ConnectorOrientation.Top, true);
+            FullyCreatedConnectorInfo connector = new FullyCreatedConnectorInfo(this, ConnectorOrientation.None, true);
             MouseButtonEventArgs mosueArg = ((EventToCommandArgs)parameter).EventArgs as MouseButtonEventArgs;
             var position = mosueArg.GetPosition(((EventToCommandArgs)parameter).Sender as IInputElement);
             connector.XRatio = (position.X - connector.ConnectorWidth / 2) / connector.DataItem.ItemWidth;
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/TextDesignerItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/TextDesignerItemViewModel.cs
index bd1bc40..3231918 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/TextDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/SimpleViewModel/TextDesignerItemViewModel.cs
@@ -5,6 +5,9 @@ using System.Windows.Media;
 
 namespace AIStudio.Wpf.DiagramDesigner
 {
+    /// <summary>
+    /// DefaultTextNode
+    /// </summary>
     public class TextDesignerItemViewModel : DesignerItemViewModelBase
     {
         public TextDesignerItemViewModel() : this(null)
diff --git a/AIStudio.Wpf.Mind/AIStudio.Wpf.Mind.csproj b/AIStudio.Wpf.Mind/AIStudio.Wpf.Mind.csproj
index 536b337..208a974 100644
--- a/AIStudio.Wpf.Mind/AIStudio.Wpf.Mind.csproj
+++ b/AIStudio.Wpf.Mind/AIStudio.Wpf.Mind.csproj
@@ -19,4 +19,17 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\AIStudio.Wpf.Flowchart\AIStudio.Wpf.Flowchart.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Page Update="Themes\MindNode.xaml">
+      <XamlRuntime>$(DefaultXamlRuntime)</XamlRuntime>
+    </Page>
+    <Page Update="Themes\Generic.xaml">
+      <XamlRuntime>$(DefaultXamlRuntime)</XamlRuntime>
+    </Page>
+  </ItemGroup>
+
 </Project>
diff --git a/AIStudio.Wpf.Mind/NodeLevel.cs b/AIStudio.Wpf.Mind/NodeLevel.cs
new file mode 100644
index 0000000..af1fd22
--- /dev/null
+++ b/AIStudio.Wpf.Mind/NodeLevel.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace AIStudio.Wpf.Mind
+{
+    public enum NodeLevel
+    {
+        Level1,
+        Level2,
+        Level3
+    }
+}
diff --git a/AIStudio.Wpf.Mind/Themes/Generic.xaml b/AIStudio.Wpf.Mind/Themes/Generic.xaml
new file mode 100644
index 0000000..1e2dd45
--- /dev/null
+++ b/AIStudio.Wpf.Mind/Themes/Generic.xaml
@@ -0,0 +1,8 @@
+<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.Flowchart;component/Controls/FlowchartEditor.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
new file mode 100644
index 0000000..bde512e
--- /dev/null
+++ b/AIStudio.Wpf.Mind/Themes/MindNode.xaml
@@ -0,0 +1,23 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:dd="https://gitee.com/akwkevin/aistudio.-wpf.-diagram"
+                    xmlns:viewmodel="clr-namespace:AIStudio.Wpf.Mind.ViewModels">
+
+    <dd:ColorBrushConverter x:Key="ColorBrushConverter"/>
+    <dd:DoubleToCornerRadius x:Key="DoubleToCornerRadius"/>
+
+    <DataTemplate DataType="{x:Type viewmodel:MindLevel1Node}">
+        <Grid IsHitTestVisible="False">
+            <Grid>
+                <Border BorderThickness="1" 
+                        BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" 
+                        Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}"
+                        CornerRadius="{Binding CornerRadius,Converter={StaticResource DoubleToCornerRadius}}">
+
+                </Border>
+            </Grid>
+        </Grid>
+    </DataTemplate>
+
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/ViewModels/MindNode.cs b/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
new file mode 100644
index 0000000..8ea1976
--- /dev/null
+++ b/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Text;
+using AIStudio.Wpf.DiagramDesigner;
+using AIStudio.Wpf.DiagramDesigner.Models;
+
+namespace AIStudio.Wpf.Mind.ViewModels
+{
+    public class MindNode : DesignerItemViewModelBase
+    {
+        public MindNode(NodeLevel nodeLevel) : this(null, nodeLevel)
+        {
+
+        }
+
+        public MindNode(IDiagramViewModel root, NodeLevel nodeLevel) : base(root)
+        {
+            NodeLevel = nodeLevel;
+        }
+
+        public MindNode(IDiagramViewModel root, SelectableItemBase designer) : base(root, designer)
+        {
+        }
+
+        public MindNode(IDiagramViewModel root, SerializableItem serializableItem, string serializableType) : base(root, serializableItem, serializableType)
+        {
+        }
+
+        [Browsable(false)]
+        public NodeLevel NodeLevel
+        {
+            get; set;
+        }
+
+        private double _cornerRadius = 3;
+        public double CornerRadius
+        {
+            get
+            {
+                return _cornerRadius;
+            }
+            set
+            {
+                SetProperty(ref _cornerRadius, value);
+            }
+        }
+    }
+
+    public class MindLevel1Node : MindNode
+    {
+        public MindLevel1Node() : this(null)
+        {
+
+        }
+
+        public MindLevel1Node(IDiagramViewModel root) : base(root, NodeLevel.Level1)
+        {
+
+        }
+
+        public MindLevel1Node(IDiagramViewModel root, SelectableItemBase designer) : base(root, designer)
+        {
+
+        }
+
+        public MindLevel1Node(IDiagramViewModel root, SerializableItem serializableItem, string serializableType) : base(root, serializableItem, serializableType)
+        {
+
+        }
+    }
+
+    public class MindLevel2Node : MindNode
+    {
+        public MindLevel2Node() : this(null)
+        {
+
+        }
+
+        public MindLevel2Node(IDiagramViewModel root) : base(root, NodeLevel.Level2)
+        {
+
+        }
+
+        public MindLevel2Node(IDiagramViewModel root, SelectableItemBase designer) : base(root, designer)
+        {
+
+        }
+
+        public MindLevel2Node(IDiagramViewModel root, SerializableItem serializableItem, string serializableType) : base(root, serializableItem, serializableType)
+        {
+
+        }
+    }
+
+    public class MindLevel3Node : MindNode
+    {
+        public MindLevel3Node() : this(null)
+        {
+
+        }
+
+        public MindLevel3Node(IDiagramViewModel root) : base(root, NodeLevel.Level2)
+        {
+
+        }
+
+        public MindLevel3Node(IDiagramViewModel root, SelectableItemBase designer) : base(root, designer)
+        {
+
+        }
+
+        public MindLevel3Node(IDiagramViewModel root, SerializableItem serializableItem, string serializableType) : base(root, serializableItem, serializableType)
+        {
+
+        }
+    }
+}