diff --git a/src/WPFDevelopers.Net40/Themes/Theme.xaml b/src/WPFDevelopers.Net40/Themes/Theme.xaml
index 47bb80fa..5547c305 100644
--- a/src/WPFDevelopers.Net40/Themes/Theme.xaml
+++ b/src/WPFDevelopers.Net40/Themes/Theme.xaml
@@ -3809,8 +3809,8 @@
 		<Setter Property="Template">
 			<Setter.Value>
 				<ControlTemplate TargetType="{x:Type Label}">
-					<Border>
-						<ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" RecognizesAccessKey="True" />
+					<Border Padding="{TemplateBinding Padding}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" SnapsToDevicePixels="true">
+						<ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
 					</Border>
 				</ControlTemplate>
 			</Setter.Value>
diff --git a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml
index 9030b633..f5db8770 100644
--- a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml
+++ b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml
@@ -1,67 +1,83 @@
-<UserControl x:Class="WPFDevelopers.Samples.ExampleViews.MultiSelectSearchComboBoxExample"
-             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:WPFDevelopers.Samples.ExampleViews"
-             xmlns:wd="https://github.com/WPFDevelopersOrg/WPFDevelopers"
-             xmlns:controls="clr-namespace:WPFDevelopers.Samples.Controls"
-             xmlns:model="clr-namespace:WPFDevelopers.Sample.Models"
-             xmlns:vm="clr-namespace:WPFDevelopers.Samples.ViewModels"
-             mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
+<UserControl
+    x:Class="WPFDevelopers.Samples.ExampleViews.MultiSelectSearchComboBoxExample"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:controls="clr-namespace:WPFDevelopers.Samples.Controls"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="clr-namespace:WPFDevelopers.Samples.ExampleViews"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:model="clr-namespace:WPFDevelopers.Sample.Models"
+    xmlns:vm="clr-namespace:WPFDevelopers.Samples.ViewModels"
+    xmlns:wd="https://github.com/WPFDevelopersOrg/WPFDevelopers"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
     <UserControl.Resources>
-        <model:HospitalList x:Key="myHospitalList"/>
+        <model:HospitalList x:Key="myHospitalList" />
     </UserControl.Resources>
     <controls:CodeViewer>
         <Grid>
             <Grid.RowDefinitions>
-                <RowDefinition Height="Auto"/>
-                <RowDefinition/>
+                <RowDefinition Height="Auto" />
+                <RowDefinition />
             </Grid.RowDefinitions>
-            <Button Content="获取选中" 
-                    VerticalAlignment="Bottom"
+            <Button
+                Margin="0,20,0,0"
+                HorizontalAlignment="Center"
+                VerticalAlignment="Bottom"
+                Click="Button_Click"
+                Content="获取选中"
+                Style="{StaticResource WD.SuccessPrimaryButton}" />
+            <UniformGrid
+                Grid.Row="1"
+                Columns="2"
+                Rows="2">
+                <wd:MultiSelectionSearchComboBox
+                    Width="200"
                     HorizontalAlignment="Center"
-                    Click="Button_Click"
-                    Margin="0,20,0,0"
-                    Style="{StaticResource WD.SuccessPrimaryButton}"/>
-            <UniformGrid Columns="2" Rows="2" Grid.Row="1">
+                    VerticalContentAlignment="Center"
+                    Delimiter=","
+                    DisplayMemberPath="Number"
+                    IsSelectAllActive="True"
+                    ItemsSource="{Binding Drawings}"
+                    SelectedValuePath="Index">
+                    <wd:MultiSelectionSearchComboBox.DataContext>
+                        <vm:DrawingExampleVM />
+                    </wd:MultiSelectionSearchComboBox.DataContext>
+                </wd:MultiSelectionSearchComboBox>
                 <wd:MultiSelectionSearchComboBox
-                VerticalContentAlignment="Center" 
-                HorizontalAlignment="Center"
-                    ItemsSource="{Binding Drawings}" 
-                DisplayMemberPath="Number"
-                SelectedValuePath="Index"
-                Width="200" Delimiter=","
-                IsSelectAllActive="True">
+                    Width="200"
+                    HorizontalAlignment="Center"
+                    VerticalContentAlignment="Center"
+                    wd:ElementHelper.Watermark="MultiSelectionSearchComboBox"
+                    Delimiter="^"
+                    DisplayMemberPath="Number"
+                    IsSelectAllActive="True"
+                    ItemsSource="{Binding Drawings}"
+                    SearchWatermark="请输入搜索内容"
+                    SelectedValuePath="Index">
                     <wd:MultiSelectionSearchComboBox.DataContext>
-                        <vm:DrawingExampleVM/>
+                        <vm:DrawingExampleVM />
                     </wd:MultiSelectionSearchComboBox.DataContext>
                 </wd:MultiSelectionSearchComboBox>
                 <wd:MultiSelectionSearchComboBox
                     Name="MyMultiSelectionSearchComboBox2"
-                VerticalContentAlignment="Center" 
-                HorizontalAlignment="Center"
-                ItemsSource="{Binding Drawings}" 
-                DisplayMemberPath="Number"
-                SelectedValuePath="Index"
-                Width="200" Delimiter="^"
-                IsSelectAllActive="True"
-                wd:ElementHelper.Watermark="MultiSelectionSearchComboBox"
-                SearchWatermark="请输入搜索内容">
+                    Width="200"
+                    HorizontalAlignment="Center"
+                    VerticalContentAlignment="Center"
+                    wd:ElementHelper.Watermark="下拉多选搜索"
+                    Delimiter="^"
+                    IsSelectAllActive="True"
+                    SearchWatermark="请输入搜索内容">
                     <wd:MultiSelectionSearchComboBox.DataContext>
-                        <vm:DrawingExampleVM/>
+                        <vm:DrawingExampleVM />
                     </wd:MultiSelectionSearchComboBox.DataContext>
                 </wd:MultiSelectionSearchComboBox>
             </UniformGrid>
         </Grid>
         <controls:CodeViewer.SourceCodes>
-            <controls:SourceCodeModel 
-                CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/MultiSelectSearchComboBoxExample.xaml" 
-                CodeType="Xaml"/>
-            <controls:SourceCodeModel 
-                CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs" 
-                CodeType="CSharp"/>
+            <controls:SourceCodeModel CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/MultiSelectSearchComboBoxExample.xaml" CodeType="Xaml" />
+            <controls:SourceCodeModel CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs" CodeType="CSharp" />
         </controls:CodeViewer.SourceCodes>
     </controls:CodeViewer>
 </UserControl>
diff --git a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs
index a43411d4..3934d1e7 100644
--- a/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs
+++ b/src/WPFDevelopers.Samples.Shared/ExampleViews/MultiSelectSearchComboBoxExample.xaml.cs
@@ -1,4 +1,7 @@
-using System.Windows;
+using ICSharpCode.AvalonEdit.Document;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
 using System.Windows.Controls;
 
 namespace WPFDevelopers.Samples.ExampleViews
@@ -11,6 +14,16 @@ public partial class MultiSelectSearchComboBoxExample : UserControl
         public MultiSelectSearchComboBoxExample()
         {
             InitializeComponent();
+            Loaded += MultiSelectSearchComboBoxExample_Loaded;
+        }
+
+        private void MultiSelectSearchComboBoxExample_Loaded(object sender, RoutedEventArgs e)
+        {
+            var list = new List<string>();
+            for (int i = 0; i < 10; i++)
+                list.Add(i.ToString());
+            MyMultiSelectionSearchComboBox2.ItemsSource = list;
+            MyMultiSelectionSearchComboBox2.SelectedItems = list.Skip(3).ToList();
         }
 
         private void Button_Click(object sender, System.Windows.RoutedEventArgs e)
diff --git a/src/WPFDevelopers.Samples45x/WPFDevelopers.Samples45x.csproj b/src/WPFDevelopers.Samples45x/WPFDevelopers.Samples45x.csproj
index 55653924..3bdcb994 100644
--- a/src/WPFDevelopers.Samples45x/WPFDevelopers.Samples45x.csproj
+++ b/src/WPFDevelopers.Samples45x/WPFDevelopers.Samples45x.csproj
@@ -13,7 +13,7 @@
 		<ApplicationIcon>..\WPFDevelopers.Samples.Shared\WPFDevelopers.ico</ApplicationIcon>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="WPFDevelopers" Version="1.1.0.1-preview7" />
+		<PackageReference Include="WPFDevelopers" Version="1.1.0.1-preview8" />
 	</ItemGroup>
 	<ItemGroup>
 		<Reference Include="ICSharpCode.AvalonEdit, Version=6.1.3.50, Culture=neutral, PublicKeyToken=9cc39be672370310, processorArchitecture=MSIL">
diff --git a/src/WPFDevelopers.Shared/Controls/MultiSelectionSearchComboBox/MultiSelectSearchComboBox.cs b/src/WPFDevelopers.Shared/Controls/MultiSelectionSearchComboBox/MultiSelectSearchComboBox.cs
index 3d2d89ef..9aaa7294 100644
--- a/src/WPFDevelopers.Shared/Controls/MultiSelectionSearchComboBox/MultiSelectSearchComboBox.cs
+++ b/src/WPFDevelopers.Shared/Controls/MultiSelectionSearchComboBox/MultiSelectSearchComboBox.cs
@@ -123,7 +123,7 @@ public string DisplayMemberPath
         }
         public string Text
         {
-            get => (string) GetValue(TextProperty);
+            get => (string)GetValue(TextProperty);
             set => SetValue(TextProperty, value);
         }
         public IEnumerable ItemsSource
@@ -133,7 +133,7 @@ public IEnumerable ItemsSource
         }
         public IEnumerable ItemsSourceSearch
         {
-            get => (IEnumerable) GetValue(ItemsSourceSearchProperty);
+            get => (IEnumerable)GetValue(ItemsSourceSearchProperty);
             set => SetValue(ItemsSourceSearchProperty, value);
         }
 
@@ -145,25 +145,25 @@ public object SelectAllContent
 
         public bool IsSelectAllActive
         {
-            get => (bool) GetValue(IsSelectAllActiveProperty);
+            get => (bool)GetValue(IsSelectAllActiveProperty);
             set => SetValue(IsSelectAllActiveProperty, value);
         }
 
         public bool IsDropDownOpen
         {
-            get => (bool) GetValue(IsDropDownOpenProperty);
+            get => (bool)GetValue(IsDropDownOpenProperty);
             set => SetValue(IsDropDownOpenProperty, value);
         }
 
         public double MaxDropDownHeight
         {
-            get => (double) GetValue(MaxDropDownHeightProperty);
+            get => (double)GetValue(MaxDropDownHeightProperty);
             set => SetValue(MaxDropDownHeightProperty, value);
         }
 
         public IList SelectedItems
         {
-            get => (IList) GetValue(SelectedItemsProperty);
+            get => (IList)GetValue(SelectedItemsProperty);
             set => SetValue(SelectedItemsProperty, value);
         }
         public string SearchWatermark
@@ -229,13 +229,13 @@ public override void OnApplyTemplate()
 
         private void _listBoxSearch_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
         {
-            if ((bool) e.NewValue)
+            if ((bool)e.NewValue)
                 UpdateIsChecked(_listBoxSearch);
         }
 
         private void _listBox_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
         {
-            if ((bool) e.NewValue)
+            if ((bool)e.NewValue)
             {
                 foreach (var item in selectedSearchList)
                     if (!_listBox.SelectedItems.Contains(item))
@@ -265,7 +265,7 @@ private void UpdateIsChecked(ListBox listBox)
 
         private void _popup_GotFocus(object sender, RoutedEventArgs e)
         {
-            var source = (HwndSource) PresentationSource.FromVisual(_popup.Child);
+            var source = (HwndSource)PresentationSource.FromVisual(_popup.Child);
             if (source != null)
             {
                 SetFocus(source.Handle);
@@ -295,24 +295,30 @@ private void Combination()
             foreach (var item in _listBox.SelectedItems)
             {
                 var name = GetDisplayText(item);
-                seletedName.Add(name);
+                if(!string.IsNullOrWhiteSpace(name))
+                    seletedName.Add(name);
+                else
+                    seletedName.Add(item.ToString());
             }
-
             foreach (var item in _listBoxSearch.SelectedItems)
             {
                 if (_listBox.SelectedItems.Contains(item))
                     continue;
                 var name = GetDisplayText(item);
-                seletedName.Add(name);
+                if (!string.IsNullOrWhiteSpace(name))
+                    seletedName.Add(name);
+                else
+                    seletedName.Add(item.ToString());
             }
-
             Text = string.Join(Delimiter, seletedName.ToArray());
         }
 
         private void _listBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
             if (e.RemovedItems.Count > 0)
+            {
                 foreach (var item in e.RemovedItems)
+                {
                     if (_checkBox.IsChecked == true)
                     {
                         _checkBox.Unchecked -= _checkBox_Unchecked;
@@ -322,6 +328,14 @@ private void _listBox_SelectionChanged(object sender, SelectionChangedEventArgs
                             _checkBox.IsChecked = null;
                         _checkBox.Unchecked += _checkBox_Unchecked;
                     }
+                    if (_listBoxSearch.SelectedItems.Contains(item))
+                        _listBoxSearch.SelectedItems.Remove(item);
+                    if (selectedSearchList.Contains(item))
+                        selectedSearchList.Remove(item);
+                }
+                SelectionChecked(_listBox);
+            }
+                
 
             if (e.AddedItems.Count > 0)
                 SelectionChecked(_listBox);
@@ -331,12 +345,20 @@ private void _listBox_SelectionChanged(object sender, SelectionChangedEventArgs
 
         private void _listBoxSearch_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            if (!_listBoxSearch.IsVisible) return;
+            if (!_listBoxSearch.IsVisible)
+                return;
             if (e.RemovedItems.Count > 0)
             {
                 foreach (var item in e.RemovedItems)
+                {
                     if (selectedSearchList.Contains(item))
                         selectedSearchList.Remove(item);
+                    if (_listBox.SelectedItems.Contains(item))
+                        _listBox.SelectedItems.Remove(item);
+                    if (selectedList.Contains(item))
+                        selectedList.Remove(item);
+                }
+                   
                 Combination();
                 SelectionChecked(_listBoxSearch);
             }
@@ -365,7 +387,7 @@ private void SelectionChecked(ListBox listbox)
             {
                 _checkBox.Checked -= _checkBox_Checked;
                 if (listbox.SelectedItems.Count > 0
-                    && 
+                    &&
                     listbox.Items.Count == listbox.SelectedItems.Count)
                 {
                     if (_checkBox.IsChecked != true)
@@ -407,14 +429,16 @@ private void SearchText(string _text)
             }
             else
             {
-                if(_listBoxSearch.Visibility != Visibility.Visible)
+                if (_listBoxSearch.Visibility != Visibility.Visible)
                     _listBoxSearch.Visibility = Visibility.Visible;
-                if(_listBox.Visibility != Visibility.Collapsed)
+                if (_listBox.Visibility != Visibility.Collapsed)
                     _listBox.Visibility = Visibility.Collapsed;
                 var listSearch = new List<object>();
                 foreach (var item in _listBox.Items)
                 {
                     var str = GetPropertyValue(item);
+                    if (string.IsNullOrWhiteSpace(str))
+                        str = item.ToString();
                     if (!string.IsNullOrWhiteSpace(str))
                         if (str.Contains(text.ToUpperInvariant()))
                             listSearch.Add(item);
@@ -453,7 +477,7 @@ private static void OnIsDropDownOpenChanged(DependencyObject o, DependencyProper
         {
             var multiSelectionSearchComboBox = o as MultiSelectionSearchComboBox;
             if (multiSelectionSearchComboBox != null)
-                multiSelectionSearchComboBox.OnIsOpenChanged((bool) e.OldValue, (bool) e.NewValue);
+                multiSelectionSearchComboBox.OnIsOpenChanged((bool)e.OldValue, (bool)e.NewValue);
         }
 
         protected virtual void OnIsOpenChanged(bool oldValue, bool newValue)
@@ -472,7 +496,7 @@ private static void OnMaxDropDownHeightChanged(DependencyObject o, DependencyPro
         {
             var comboBox = o as MultiSelectionSearchComboBox;
             if (comboBox != null)
-                comboBox.OnMaxDropDownHeightChanged((double) e.OldValue, (double) e.NewValue);
+                comboBox.OnMaxDropDownHeightChanged((double)e.OldValue, (double)e.NewValue);
         }
 
         protected virtual void OnMaxDropDownHeightChanged(double oldValue, double newValue)
@@ -487,27 +511,26 @@ private static void OnSelectedItemsChanged(DependencyObject d, DependencyPropert
             {
                 var collection = e.NewValue as IList;
                 if (collection.Count <= 0) return;
-                if (e.OldValue != null && mltiSelectionSearchComboBox._listBox != null)
-                {
-                    mltiSelectionSearchComboBox._listBox.SelectionChanged -=
-                        mltiSelectionSearchComboBox._listBox_SelectionChanged;
-                    mltiSelectionSearchComboBox._listBox.SelectedItems.Clear();
-                }
-
+                mltiSelectionSearchComboBox._listBox.SelectionChanged -=
+                       mltiSelectionSearchComboBox._listBox_SelectionChanged;
                 foreach (var item in collection)
                 {
                     var name = mltiSelectionSearchComboBox.GetPropertyValue(item);
-                    var model = mltiSelectionSearchComboBox._listBox.ItemsSource.OfType<object>().FirstOrDefault(h =>
+                    object model = null;
+                    if (!string.IsNullOrWhiteSpace(name))
+                    {
+                        model = mltiSelectionSearchComboBox._listBox.ItemsSource.OfType<object>().FirstOrDefault(h =>
                         mltiSelectionSearchComboBox.GetPropertyValue(h).ToUpperInvariant()
                             .Equals(name));
+                    }
+                    else
+                        model = mltiSelectionSearchComboBox._listBox.ItemsSource.OfType<object>().FirstOrDefault(h => h == item);
                     if (model != null && !mltiSelectionSearchComboBox._listBox.SelectedItems.Contains(item))
                         mltiSelectionSearchComboBox._listBox.SelectedItems.Add(model);
-
-                    if (e.OldValue != null && mltiSelectionSearchComboBox._listBox != null)
-                        mltiSelectionSearchComboBox._listBox.SelectionChanged +=
-                            mltiSelectionSearchComboBox._listBox_SelectionChanged;
-                    mltiSelectionSearchComboBox.Combination();
                 }
+                mltiSelectionSearchComboBox._listBox.SelectionChanged +=
+                    mltiSelectionSearchComboBox._listBox_SelectionChanged;
+                mltiSelectionSearchComboBox.Combination();
             }
         }
     }
diff --git a/src/WPFDevelopers.Shared/Styles/Styles.Label.xaml b/src/WPFDevelopers.Shared/Styles/Styles.Label.xaml
index 7a82cc83..04f7a3e4 100644
--- a/src/WPFDevelopers.Shared/Styles/Styles.Label.xaml
+++ b/src/WPFDevelopers.Shared/Styles/Styles.Label.xaml
@@ -16,11 +16,17 @@
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Label}">
-                    <Border>
+                    <Border
+                        Padding="{TemplateBinding Padding}"
+                        Background="{TemplateBinding Background}"
+                        BorderBrush="{TemplateBinding BorderBrush}"
+                        BorderThickness="{TemplateBinding BorderThickness}"
+                        SnapsToDevicePixels="true">
                         <ContentPresenter
                             HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                             VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
-                            RecognizesAccessKey="True" />
+                            RecognizesAccessKey="True"
+                            SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                     </Border>
                 </ControlTemplate>
             </Setter.Value>