diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
index aef7635..497a74e 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
@@ -129,6 +129,10 @@ namespace AIStudio.Wpf.DiagramDesigner
                             AddLabel(_text);
                         }
                     }
+                    else
+                    {
+                        DeleteLabel();
+                    }
                 }
             }
         }
@@ -791,7 +795,10 @@ namespace AIStudio.Wpf.DiagramDesigner
             label.UpdatePosition(paths);
         }
 
-
+        public void DeleteLabel()
+        {
+            Labels?.Clear();
+        }
         #endregion
     }
 }
diff --git a/AIStudio.Wpf.DiagramModels/DiagramDataConverter.cs b/AIStudio.Wpf.DiagramModels/DiagramDataConverter.cs
index e564fde..7cbe782 100644
--- a/AIStudio.Wpf.DiagramModels/DiagramDataConverter.cs
+++ b/AIStudio.Wpf.DiagramModels/DiagramDataConverter.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Windows.Media;
 using AIStudio.Wpf.DiagramDesigner;
 using AIStudio.Wpf.DiagramDesigner.Helpers;
 using Newtonsoft.Json;
@@ -37,9 +38,10 @@ namespace AIStudio.Wpf.DiagramModels
         protected override DiagramLink Create(Type objectType, JObject jObject)
         {
             //第一种方法：判断属性值来确认是哪个派生类 
-            if (FieldExists("Type", jObject, out string type))
+            if (FieldExists("Type", jObject, out string typename))
             {
-                return new DiagramLink();
+                var type = TypeHelper.GetType(typename);
+                return type != null ? (System.Activator.CreateInstance(type) as DiagramLink) : new DiagramLink();
             }
             else
             {
diff --git a/AIStudio.Wpf.Mind/Controls/DropDownButton.xaml b/AIStudio.Wpf.Mind/Controls/DropDownButton.xaml
index fe019b9..4538d5d 100644
--- a/AIStudio.Wpf.Mind/Controls/DropDownButton.xaml
+++ b/AIStudio.Wpf.Mind/Controls/DropDownButton.xaml
@@ -48,7 +48,7 @@
 
     </Style>
 
-    <Style x:Key="AIStudio.Styles.DropDownButton" TargetType="{x:Type controls:DropDownButton}">
+    <Style x:Key="DropDownButtonStyle" TargetType="{x:Type controls:DropDownButton}">
         <Setter Property="ArrowBrush" Value="Black" />
         <Setter Property="ArrowMouseOverBrush" 
                 Value="{Binding Foreground, RelativeSource={RelativeSource Mode=Self},
@@ -208,6 +208,6 @@
         </Style.Triggers>
     </Style>
 
-    <Style TargetType="{x:Type controls:DropDownButton}" BasedOn="{StaticResource AIStudio.Styles.DropDownButton}" />
+    <Style TargetType="{x:Type controls:DropDownButton}" BasedOn="{StaticResource DropDownButtonStyle}" />
 
 </ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml b/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml
index d691814..80588cf 100644
--- a/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml
+++ b/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml
@@ -1,12 +1,19 @@
-<UserControl x:Class="AIStudio.Wpf.Mind.Controls.PriorityControl"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             xmlns:local="clr-namespace:AIStudio.Wpf.Mind.Controls"
-             mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
-    <Grid>
-            
-    </Grid>
-</UserControl>
+<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">
+
+
+    <Style x:Key="PriorityControlStyle" TargetType="{x:Type controls:PriorityControl}">
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:PriorityControl}">
+                    <Grid>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style TargetType="{x:Type controls:PriorityControl}" BasedOn="{StaticResource PriorityControlStyle}" />
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml.cs b/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml.cs
index 7a660b5..d72b68f 100644
--- a/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml.cs
+++ b/AIStudio.Wpf.Mind/Controls/PriorityControl.xaml.cs
@@ -18,11 +18,20 @@ namespace AIStudio.Wpf.Mind.Controls
     /// <summary>
     /// PriorityControl.xaml 的交互逻辑
     /// </summary>
-    public partial class PriorityControl : UserControl
+    public class PriorityControl : Control
     {
-        public PriorityControl()
+
+        /// <summary>Identifies the <see cref="Priority"/> dependency property.</summary>
+        public static readonly DependencyProperty PriorityProperty
+            = DependencyProperty.Register(nameof(Priority), typeof(double), typeof(PriorityControl));
+
+        /// <summary> 
+        /// Whether or not the "popup" menu for this control is currently open
+        /// </summary>
+        public double Priority
         {
-            InitializeComponent();
+            get => (double)this.GetValue(PriorityProperty);
+            set => this.SetValue(PriorityProperty, (double)value);
         }
     }
 }
diff --git a/AIStudio.Wpf.Mind/Controls/RateControl.xaml b/AIStudio.Wpf.Mind/Controls/RateControl.xaml
index a3b54ad..8494db3 100644
--- a/AIStudio.Wpf.Mind/Controls/RateControl.xaml
+++ b/AIStudio.Wpf.Mind/Controls/RateControl.xaml
@@ -1,12 +1,19 @@
-<UserControl x:Class="AIStudio.Wpf.Mind.Controls.RateControl"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             xmlns:local="clr-namespace:AIStudio.Wpf.Mind.Controls"
-             mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
-    <Grid>
-            
-    </Grid>
-</UserControl>
+<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">
+
+
+    <Style x:Key="RateControlStyle" TargetType="{x:Type controls:RateControl}">
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:RateControl}">
+                    <Grid>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style TargetType="{x:Type controls:RateControl}" BasedOn="{StaticResource RateControlStyle}" />
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Controls/RateControl.xaml.cs b/AIStudio.Wpf.Mind/Controls/RateControl.xaml.cs
index 10af967..6bb150f 100644
--- a/AIStudio.Wpf.Mind/Controls/RateControl.xaml.cs
+++ b/AIStudio.Wpf.Mind/Controls/RateControl.xaml.cs
@@ -18,11 +18,20 @@ namespace AIStudio.Wpf.Mind.Controls
     /// <summary>
     /// RateControl.xaml 的交互逻辑
     /// </summary>
-    public partial class RateControl : UserControl
+    public class RateControl : Control
     {
-        public RateControl()
+
+        /// <summary>Identifies the <see cref="Rate"/> dependency property.</summary>
+        public static readonly DependencyProperty RateProperty
+            = DependencyProperty.Register(nameof(Rate),  typeof(double), typeof(RateControl));
+
+        /// <summary> 
+        /// Whether or not the "popup" menu for this control is currently open
+        /// </summary>
+        public double Rate
         {
-            InitializeComponent();
+            get => (double)this.GetValue(RateProperty);
+            set => this.SetValue(RateProperty, (double)value);
         }
     }
 }
diff --git a/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml b/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml
index 16a56c3..94547c0 100644
--- a/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml
+++ b/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml
@@ -1,12 +1,19 @@
-<UserControl x:Class="AIStudio.Wpf.Mind.Controls.RemarkControl"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             xmlns:local="clr-namespace:AIStudio.Wpf.Mind.Controls"
-             mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
-    <Grid>
-            
-    </Grid>
-</UserControl>
+<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">
+
+
+    <Style x:Key="RemarkControlStyle" TargetType="{x:Type controls:RemarkControl}">
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:RemarkControl}">
+                    <Grid>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style TargetType="{x:Type controls:RemarkControl}" BasedOn="{StaticResource RemarkControlStyle}" />
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml.cs b/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml.cs
index f75c3e4..92a96c4 100644
--- a/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml.cs
+++ b/AIStudio.Wpf.Mind/Controls/RemarkControl.xaml.cs
@@ -18,11 +18,20 @@ namespace AIStudio.Wpf.Mind.Controls
     /// <summary>
     /// RemarkControl.xaml 的交互逻辑
     /// </summary>
-    public partial class RemarkControl : UserControl
+    public class RemarkControl : Control
     {
-        public RemarkControl()
+
+        /// <summary>Identifies the <see cref="Remark"/> dependency property.</summary>
+        public static readonly DependencyProperty RemarkProperty
+            = DependencyProperty.Register(nameof(Remark), typeof(string), typeof(RemarkControl));
+
+        /// <summary> 
+        /// Whether or not the "popup" menu for this control is currently open
+        /// </summary>
+        public string Remark
         {
-            InitializeComponent();
+            get => (string)this.GetValue(RemarkProperty);
+            set => this.SetValue(RemarkProperty, (string)value);
         }
     }
 }
diff --git a/AIStudio.Wpf.Mind/Controls/TagControl.xaml b/AIStudio.Wpf.Mind/Controls/TagControl.xaml
index 61839a8..003847c 100644
--- a/AIStudio.Wpf.Mind/Controls/TagControl.xaml
+++ b/AIStudio.Wpf.Mind/Controls/TagControl.xaml
@@ -1,12 +1,19 @@
-<UserControl x:Class="AIStudio.Wpf.Mind.Controls.TagControl"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             xmlns:local="clr-namespace:AIStudio.Wpf.Mind.Controls"
-             mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
-    <Grid>
-            
-    </Grid>
-</UserControl>
+<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">
+
+
+    <Style x:Key="TagControlStyle" TargetType="{x:Type controls:TagControl}">
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:TagControl}">
+                    <Grid>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style TargetType="{x:Type controls:TagControl}" BasedOn="{StaticResource TagControlStyle}" />
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/AIStudio.Wpf.Mind/Controls/TagControl.xaml.cs b/AIStudio.Wpf.Mind/Controls/TagControl.xaml.cs
index 236dd6b..30f6047 100644
--- a/AIStudio.Wpf.Mind/Controls/TagControl.xaml.cs
+++ b/AIStudio.Wpf.Mind/Controls/TagControl.xaml.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -18,11 +19,19 @@ namespace AIStudio.Wpf.Mind.Controls
     /// <summary>
     /// TagControl.xaml 的交互逻辑
     /// </summary>
-    public partial class TagControl : UserControl
+    public class TagControl : Control
     {
-        public TagControl()
+             /// <summary>Identifies the <see cref="Tags"/> dependency property.</summary>
+        public static readonly DependencyProperty TagsProperty
+            = DependencyProperty.Register(nameof(Tags), typeof(ObservableCollection<string>), typeof(TagControl));
+
+        /// <summary> 
+        /// Whether or not the "popup" menu for this control is currently open
+        /// </summary>
+        public ObservableCollection<string> Tags
         {
-            InitializeComponent();
+            get => (ObservableCollection<string>)this.GetValue(TagsProperty);
+            set => this.SetValue(TagsProperty, (ObservableCollection<string>)value);
         }
     }
 }
diff --git a/AIStudio.Wpf.Mind/ViewModels/MindNode.cs b/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
index 82d1790..bc9ca0a 100644
--- a/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
+++ b/AIStudio.Wpf.Mind/ViewModels/MindNode.cs
@@ -265,29 +265,29 @@ namespace AIStudio.Wpf.Mind.ViewModels
             }
         }
 
-        private string _grade;
-        public string Grade
+        private double _priority;
+        public double Priority
         {
             get
             {
-                return _grade;
+                return _priority;
             }
             set
             {
-                SetProperty(ref _grade, value);
+                SetProperty(ref _priority, value);
             }
         }
 
-        private double _completionRate;
-        public double CompletionRate
+        private double _rate;
+        public double Rate
         {
             get
             {
-                return _completionRate;
+                return _rate;
             }
             set
             {
-                SetProperty(ref _completionRate, value);
+                SetProperty(ref _rate, value);
             }
         }