diff --git a/README-cn.md b/README-cn.md
index d0a470f5..0c95a29d 100644
--- a/README-cn.md
+++ b/README-cn.md
@@ -55,6 +55,7 @@
 <a href="https://github.com/varKeytrap" target="_blank"><img style="border-radius:50%!important" width="64px" alt="varKeytrap" src="https://avatars0.githubusercontent.com/u/17864005?s=64&v=4"></a>
 <a href="https://github.com/xsnakes" target="_blank"><img style="border-radius:50%!important" width="64px" alt="xsnakes" src="https://avatars1.githubusercontent.com/u/4363683?s=64&v=4"></a>
 <a href="https://github.com/mmasdivins" target="_blank"><img style="border-radius:50%!important" width="64px" alt="mmasdivins" src="https://avatars1.githubusercontent.com/u/63245359?s=64&v=4"></a>
+<a href="https://github.com/GF-Huang" target="_blank"><img style="border-radius:50%!important" width="64px" alt="GF-Huang" src="https://avatars1.githubusercontent.com/u/4510984?s=64v=4"></a>
 
 ## Backers
 
diff --git a/README.md b/README.md
index 1a2ccc4b..28263db4 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,7 @@
 <a href="https://github.com/varKeytrap" target="_blank"><img style="border-radius:50%!important" width="64px" alt="varKeytrap" src="https://avatars0.githubusercontent.com/u/17864005?s=64&v=4"></a>
 <a href="https://github.com/xsnakes" target="_blank"><img style="border-radius:50%!important" width="64px" alt="xsnakes" src="https://avatars1.githubusercontent.com/u/4363683?s=64&v=4"></a>
 <a href="https://github.com/mmasdivins" target="_blank"><img style="border-radius:50%!important" width="64px" alt="mmasdivins" src="https://avatars1.githubusercontent.com/u/63245359?s=64&v=4"></a>
+<a href="https://github.com/GF-Huang" target="_blank"><img style="border-radius:50%!important" width="64px" alt="GF-Huang" src="https://avatars1.githubusercontent.com/u/4510984?s=64v=4"></a>
 
 ## Backers
 
diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml
index b12fe5f4..ccb95675 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml
@@ -53,10 +53,10 @@
                             <RowDefinition/>
                         </Grid.RowDefinitions>
                         <Border x:Name="Bd" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true">
-                            <StackPanel Orientation="Horizontal" Margin="{Binding Converter={StaticResource TreeViewItemMarginConverter}, RelativeSource={RelativeSource TemplatedParent}}">
+                            <DockPanel LastChildFill="True" Margin="{Binding Converter={StaticResource TreeViewItemMarginConverter}, RelativeSource={RelativeSource TemplatedParent}}">
                                 <ToggleButton x:Name="Expander" ClickMode="Press" IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ExpandCollapseToggleStyle}"/>
                                 <ContentPresenter VerticalAlignment="Center" x:Name="PART_Header" ContentSource="Header" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
-                            </StackPanel>
+                            </DockPanel>
                         </Border>
                         <ItemsPresenter x:Name="ItemsHost" Grid.Row="1"/>
                     </Grid>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
index ccebf3aa..e09deb85 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
@@ -15,7 +15,7 @@
                 <hc:NumericUpDown hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownExtend}"/>
                 <hc:NumericUpDown hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownExtend}"/>
                 <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" Margin="0,32,0,0"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:NumericUpDown ValueFormat="N2" Maximum="100000" Value="10000" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:NumericUpDown Name="NumericUpDownCustomVerify" ShowClearButton="True" Style="{StaticResource NumericUpDownPlus}"/>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml
index 28866da5..ebe732ab 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml
@@ -13,7 +13,7 @@
         </Grid.ColumnDefinitions>
         <userControl:LeftMainContent/>
         <userControl:MainContent Grid.Column="1"/>
-        <GridSplitter Margin="0,26,10,26" Grid.Column="0" HorizontalAlignment="Right" Width="4" Background="Transparent"/>
+        <GridSplitter Margin="0,26,0,26" Grid.Column="0" HorizontalAlignment="Right" Width="4" Background="Transparent"/>
         <hc:ScrollViewer Grid.Column="1" VerticalScrollBarVisibility="Hidden" HorizontalAlignment="Right" IsInertiaEnabled="True" IsPenetrating="True">
             <StackPanel hc:Growl.GrowlParent="True" VerticalAlignment="Top" Margin="0,10,10,10"/>
         </hc:ScrollViewer>
diff --git a/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs b/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
index 28dbba39..cc544656 100644
--- a/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
@@ -153,9 +153,11 @@ namespace HandyControl.Controls
             }
         }
 
-        private string CurrentText => DecimalPlaces.HasValue
-            ? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}")
-            : Value.ToString("#0");
+        private string CurrentText => string.IsNullOrWhiteSpace(ValueFormat)
+            ? DecimalPlaces.HasValue
+                ? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}")
+                : Value.ToString("#0")
+            : Value.ToString(ValueFormat);
 
         protected virtual void OnValueChanged(FunctionEventArgs<double> e) => RaiseEvent(e);
 
@@ -318,6 +320,21 @@ namespace HandyControl.Controls
             set => SetValue(DecimalPlacesProperty, value);
         }
 
+        /// <summary>
+        ///     指示要显示的数字的格式
+        /// </summary>
+        public static readonly DependencyProperty ValueFormatProperty = DependencyProperty.Register(
+            "ValueFormat", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
+
+        /// <summary>
+        ///     指示要显示的数字的格式，这将会覆盖 <see cref="DecimalPlaces"/> 属性
+        /// </summary>
+        public string ValueFormat
+        {
+            get => (string) GetValue(ValueFormatProperty);
+            set => SetValue(ValueFormatProperty, value);
+        }
+
         /// <summary>
         ///     是否显示上下调值按钮
         /// </summary>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml
index 336e566b..8c3f9c19 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml
@@ -53,10 +53,10 @@
                             <RowDefinition/>
                         </Grid.RowDefinitions>
                         <Border x:Name="Bd" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true">
-                            <StackPanel Orientation="Horizontal" Margin="{Binding Converter={StaticResource TreeViewItemMarginConverter}, RelativeSource={RelativeSource TemplatedParent}}">
+                            <DockPanel LastChildFill="True" Margin="{Binding Converter={StaticResource TreeViewItemMarginConverter}, RelativeSource={RelativeSource TemplatedParent}}">
                                 <ToggleButton x:Name="Expander" ClickMode="Press" IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ExpandCollapseToggleStyle}"/>
                                 <ContentPresenter VerticalAlignment="Center" x:Name="PART_Header" ContentSource="Header" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
-                            </StackPanel>
+                            </DockPanel>
                         </Border>
                         <ItemsPresenter x:Name="ItemsHost" Grid.Row="1"/>
                     </Grid>