diff --git a/HandyControl/Controls/Attach/LinkElement.cs b/HandyControl/Controls/Attach/LinkElement.cs
index 90bd8053..5da5d111 100644
--- a/HandyControl/Controls/Attach/LinkElement.cs
+++ b/HandyControl/Controls/Attach/LinkElement.cs
@@ -29,11 +29,10 @@ namespace HandyControl.Controls
 
         private static void CreateTrriger(UIElement element, string link)
         {
-            if (string.IsNullOrEmpty(link))
-            {
-                element.CommandBindings.Remove(GetCommandBinding(element));
-                return;
-            }
+            element.CommandBindings.Remove(GetCommandBinding(element));
+            element.SetCurrentValue(CommandBindingProperty, DependencyProperty.UnsetValue);
+
+            if (string.IsNullOrEmpty(link)) return;
             var commandBinding = new CommandBinding(ControlCommands.OpenLink, (sender, args) => Process.Start(link));
             SetCommandBinding(element, commandBinding);
             element.CommandBindings.Add(commandBinding);
diff --git a/HandyControl/Controls/Attach/PanelElement.cs b/HandyControl/Controls/Attach/PanelElement.cs
new file mode 100644
index 00000000..f1788378
--- /dev/null
+++ b/HandyControl/Controls/Attach/PanelElement.cs
@@ -0,0 +1,44 @@
+using System.Windows;
+using System.Windows.Controls;
+using HandyControl.Interactivity;
+
+namespace HandyControl.Controls
+{
+    public class PanelElement
+    {
+        public static readonly DependencyProperty FluidMoveBehaviorProperty = DependencyProperty.RegisterAttached(
+            "FluidMoveBehavior", typeof(FluidMoveBehavior), typeof(PanelElement), new PropertyMetadata(default(FluidMoveBehavior), OnFluidMoveBehaviorChanged));
+
+        private static void OnFluidMoveBehaviorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is Panel panel)
+            {                
+                var collection = Interaction.GetBehaviors(panel);
+                var oldBehavior = GetTempFluidMoveBehavior(panel);
+                collection.Remove(oldBehavior);
+                panel.SetCurrentValue(TempFluidMoveBehaviorProperty, DependencyProperty.UnsetValue);
+
+                if (e.NewValue is FluidMoveBehavior behavior)
+                {
+                    collection.Add(behavior);
+                    SetTempFluidMoveBehavior(panel, behavior);
+                }
+            }
+        }
+
+        public static void SetFluidMoveBehavior(DependencyObject element, FluidMoveBehavior value)
+            => element.SetValue(FluidMoveBehaviorProperty, value);
+
+        public static FluidMoveBehavior GetFluidMoveBehavior(DependencyObject element)
+            => (FluidMoveBehavior) element.GetValue(FluidMoveBehaviorProperty);
+
+        private static readonly DependencyProperty TempFluidMoveBehaviorProperty = DependencyProperty.RegisterAttached(
+            "TempFluidMoveBehavior", typeof(FluidMoveBehavior), typeof(PanelElement), new PropertyMetadata(default(FluidMoveBehavior)));
+
+        private static void SetTempFluidMoveBehavior(DependencyObject element, FluidMoveBehavior value)
+            => element.SetValue(TempFluidMoveBehaviorProperty, value);
+
+        private static FluidMoveBehavior GetTempFluidMoveBehavior(DependencyObject element)
+            => (FluidMoveBehavior) element.GetValue(TempFluidMoveBehaviorProperty);
+    }
+}
\ No newline at end of file
diff --git a/HandyControl/Data/ValueBoxes.cs b/HandyControl/Data/ValueBoxes.cs
index 4536ee0d..9954517f 100644
--- a/HandyControl/Data/ValueBoxes.cs
+++ b/HandyControl/Data/ValueBoxes.cs
@@ -17,6 +17,8 @@
 
         internal static object Double100Box = 100.0;
 
+        internal static object Double200Box = 200.0;
+
         internal static object DoubleNeg1Box = -1.0;
 
         internal static object Int0Box = 0;
diff --git a/HandyControl/HandyControl.csproj b/HandyControl/HandyControl.csproj
index 69ec2637..193d91ea 100644
--- a/HandyControl/HandyControl.csproj
+++ b/HandyControl/HandyControl.csproj
@@ -115,6 +115,7 @@
   </Choose>
   <ItemGroup>
     <Compile Include="Controls\Attach\LinkElement.cs" />
+    <Compile Include="Controls\Attach\PanelElement.cs" />
     <Compile Include="Controls\Attach\VisualElement.cs" />
     <Compile Include="Controls\Other\AnimationPath.cs" />
     <Compile Include="Controls\Attach\BackgroundSwitchElement.cs" />
@@ -322,6 +323,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Themes\Basic\Behaviors.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Themes\Basic\Brushes.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/HandyControl/Themes/Basic/Basic.xaml b/HandyControl/Themes/Basic/Basic.xaml
index 38b5f704..812f0ae2 100644
--- a/HandyControl/Themes/Basic/Basic.xaml
+++ b/HandyControl/Themes/Basic/Basic.xaml
@@ -9,6 +9,7 @@
         <ResourceDictionary Source="../Basic/Geometries.xaml"/>
         <ResourceDictionary Source="../Basic/Paths.xaml"/>
         <ResourceDictionary Source="../Basic/Sizes.xaml"/>
+        <ResourceDictionary Source="../Basic/Behaviors.xaml"/>
 
     </ResourceDictionary.MergedDictionaries>
 
diff --git a/HandyControl/Themes/Basic/Behaviors.xaml b/HandyControl/Themes/Basic/Behaviors.xaml
new file mode 100644
index 00000000..b6454e91
--- /dev/null
+++ b/HandyControl/Themes/Basic/Behaviors.xaml
@@ -0,0 +1,47 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:interactivity="clr-namespace:HandyControl.Interactivity">
+
+    <interactivity:FluidMoveBehavior x:Key="BehaviorXY200" x:Shared="False" AppliesTo="Children" Duration="0:0:.2">
+        <interactivity:FluidMoveBehavior.EaseX>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseX>
+        <interactivity:FluidMoveBehavior.EaseY>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseY>
+    </interactivity:FluidMoveBehavior>
+
+    <interactivity:FluidMoveBehavior x:Key="BehaviorX200" x:Shared="False" AppliesTo="Children" Duration="0:0:.2">
+        <interactivity:FluidMoveBehavior.EaseX>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseX>
+    </interactivity:FluidMoveBehavior>
+
+    <interactivity:FluidMoveBehavior x:Key="BehaviorY200" x:Shared="False" AppliesTo="Children" Duration="0:0:.2">
+        <interactivity:FluidMoveBehavior.EaseY>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseY>
+    </interactivity:FluidMoveBehavior>
+
+    <interactivity:FluidMoveBehavior x:Key="BehaviorXY400" x:Shared="False" AppliesTo="Children" Duration="0:0:.4">
+        <interactivity:FluidMoveBehavior.EaseX>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseX>
+        <interactivity:FluidMoveBehavior.EaseY>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseY>
+    </interactivity:FluidMoveBehavior>
+
+    <interactivity:FluidMoveBehavior x:Key="BehaviorX400" x:Shared="False" AppliesTo="Children" Duration="0:0:.4">
+        <interactivity:FluidMoveBehavior.EaseX>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseX>
+    </interactivity:FluidMoveBehavior>
+
+    <interactivity:FluidMoveBehavior x:Key="BehaviorY400" x:Shared="False" AppliesTo="Children" Duration="0:0:.4">
+        <interactivity:FluidMoveBehavior.EaseY>
+            <PowerEase/>
+        </interactivity:FluidMoveBehavior.EaseY>
+    </interactivity:FluidMoveBehavior>
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControlDemo/UserControl/Controls/WaterfallPanelDemoCtl.xaml b/HandyControlDemo/UserControl/Controls/WaterfallPanelDemoCtl.xaml
index e6a4b020..a0bc7675 100644
--- a/HandyControlDemo/UserControl/Controls/WaterfallPanelDemoCtl.xaml
+++ b/HandyControlDemo/UserControl/Controls/WaterfallPanelDemoCtl.xaml
@@ -14,17 +14,7 @@
             <controls:NumericUpDown x:Name="UpDownGroups" HorizontalAlignment="Center" Value="2" Minimum="1" Maximum="3" Width="200" Style="{StaticResource NumericUpDownExtend}" controls:TitleElement.Title="{x:Static langs:Lang.Groups}" controls:TitleElement.TitleWidth="50" controls:TitleElement.TitleAlignment="Left"/>
             <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,16,0,0">
                 <controls:ScrollViewer MaxHeight="300" IsEnableInertia="True">
-                    <controls:WaterfallPanel VerticalAlignment="Center" Width="300" Groups="{Binding Value,ElementName=UpDownGroups}">
-                        <interactivity:Interaction.Behaviors>
-                            <interactivity:FluidMoveBehavior AppliesTo="Children" Duration="0:0:.2">
-                                <interactivity:FluidMoveBehavior.EaseX>
-                                    <PowerEase/>
-                                </interactivity:FluidMoveBehavior.EaseX>
-                                <interactivity:FluidMoveBehavior.EaseY>
-                                    <PowerEase/>
-                                </interactivity:FluidMoveBehavior.EaseY>
-                            </interactivity:FluidMoveBehavior>
-                        </interactivity:Interaction.Behaviors>
+                    <controls:WaterfallPanel VerticalAlignment="Center" Width="300" Groups="{Binding Value,ElementName=UpDownGroups}" controls:PanelElement.FluidMoveBehavior="{StaticResource BehaviorXY200}">
                         <Border Height="100" Background="{DynamicResource PrimaryBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
                             <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>