diff --git a/STranslate/MainWindow.xaml b/STranslate/MainWindow.xaml
index 5bbed25..24395ea 100644
--- a/STranslate/MainWindow.xaml
+++ b/STranslate/MainWindow.xaml
@@ -34,29 +34,9 @@
 
             <!--header-->
             <Grid x:Name="Header">
-                <Button Click="Top_Click">
-                    <Button.Template>
-                        <ControlTemplate TargetType="Button">
-                            <Border x:Name="border"
-                                    CornerRadius="5"
-                                    Padding="5"
-                                    HorizontalAlignment="Left"
-                                    Margin="8,5,0,0"
-                                    MaxHeight="30">
-                                <Image Height="20"
-                                       Source="{Binding TopImgSource}"/>
-                            </Border>
-                            <ControlTemplate.Triggers>
-                                <Trigger Property="IsMouseOver" Value="true">
-                                    <Setter TargetName="border" Property="Background" Value="#eaeaea"></Setter>
-                                </Trigger>
-                                <Trigger Property="IsPressed" Value="true">
-                                    <Setter TargetName="border" Property="Background" Value="#dddddd"></Setter>
-                                </Trigger>
-                            </ControlTemplate.Triggers>
-                        </ControlTemplate>
-                    </Button.Template>
-                </Button>
+                <Button x:Name="TopmostBtn"
+                        Template="{DynamicResource ButtonTemplateUnTopmost}"
+                        Click="Top_Click"/>
                 <Button Template="{DynamicResource ButtonTemplate}"
                         Width="30"
                         HorizontalAlignment="Right"
diff --git a/STranslate/MainWindow.xaml.cs b/STranslate/MainWindow.xaml.cs
index 335b73b..1f556e9 100644
--- a/STranslate/MainWindow.xaml.cs
+++ b/STranslate/MainWindow.xaml.cs
@@ -101,7 +101,7 @@ namespace STranslate
                 this.Hide();
 
                 //取消置顶
-                vm.TopImgSource = _UnTopmost;
+                TopmostBtn.SetResourceReference(TemplateProperty, _UnTopmostTemplateName);
             }
             //置顶 Ctrl+Shift+T
             if (e.KeyboardDevice.Modifiers.HasFlag(ModifierKeys.Control)
@@ -174,7 +174,7 @@ namespace STranslate
         /// <param name="e"></param>
         private void Window_Deactivated(object sender, EventArgs e)
         {
-            if (vm.TopImgSource == _UnTopmost)
+            if (!_IsTopmost)
             {
                 this.Hide();
             }
@@ -259,7 +259,15 @@ namespace STranslate
         /// <param name="e"></param>
         private void Top_Click(object sender, RoutedEventArgs e)
         {
-            vm.TopImgSource = vm.TopImgSource == _Topmost ? _UnTopmost : _Topmost;
+            if (_IsTopmost)
+            {
+                TopmostBtn.SetResourceReference(TemplateProperty, _UnTopmostTemplateName);
+            }
+            else
+            {
+                TopmostBtn.SetResourceReference(TemplateProperty, _TopmostTemplateName);
+            }
+            _IsTopmost = !_IsTopmost;
         }
         /// <summary>
         /// 退出
@@ -274,13 +282,12 @@ namespace STranslate
         }
         private void InitView()
         {
-            vm.TopImgSource = _UnTopmost;
-
             this.Activate();
             this.TextBoxInput.Focus();
         }
-        private static readonly BitmapImage _Topmost = new BitmapImage(new Uri("pack://application:,,,/STranslate;component/Images/Button_Default/topmost.png"));
-        private static readonly BitmapImage _UnTopmost = new BitmapImage(new Uri("pack://application:,,,/STranslate;component/Images/Button_Default/untopmost.png"));
         private System.Windows.Forms.NotifyIcon notifyIcon = new System.Windows.Forms.NotifyIcon();
+        private bool _IsTopmost { get; set; }
+        private readonly string _TopmostTemplateName = "ButtonTemplateTopmost";
+        private readonly string _UnTopmostTemplateName = "ButtonTemplateUnTopmost";
     }
 }
\ No newline at end of file
diff --git a/STranslate/Style/Dark/DictionaryButtonDark.xaml b/STranslate/Style/Dark/DictionaryButtonDark.xaml
index 67281fa..46b48e6 100644
--- a/STranslate/Style/Dark/DictionaryButtonDark.xaml
+++ b/STranslate/Style/Dark/DictionaryButtonDark.xaml
@@ -1,6 +1,45 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-
+    <ControlTemplate x:Key="ButtonTemplateTopmost"
+                     TargetType="Button">
+        <Border x:Name="border"
+                CornerRadius="5"
+                Padding="5"
+                HorizontalAlignment="Left"
+                Margin="8,5,0,0"
+                MaxHeight="30">
+            <Image Height="20"
+                   Source="pack://application:,,,/STranslate;component/Images/Button_Default/topmost.png"/>
+        </Border>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsMouseOver" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#47484c"></Setter>
+            </Trigger>
+            <Trigger Property="IsPressed" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#35333c"></Setter>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+    <ControlTemplate x:Key="ButtonTemplateUnTopmost"
+                     TargetType="Button">
+        <Border x:Name="border"
+                CornerRadius="5"
+                Padding="5"
+                HorizontalAlignment="Left"
+                Margin="8,5,0,0"
+                MaxHeight="30">
+            <Image Height="20"
+                   Source="pack://application:,,,/STranslate;component/Images/Button_Default/untopmost.png"/>
+        </Border>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsMouseOver" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#47484c"></Setter>
+            </Trigger>
+            <Trigger Property="IsPressed" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#35333c"></Setter>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
     <ControlTemplate x:Key="ButtonTemplate" TargetType="Button">
         <Border x:Name="border"
                     CornerRadius="5"
diff --git a/STranslate/Style/Dark/DictionaryCommonDark.xaml b/STranslate/Style/Dark/DictionaryCommonDark.xaml
index 0d8b737..192d2fa 100644
--- a/STranslate/Style/Dark/DictionaryCommonDark.xaml
+++ b/STranslate/Style/Dark/DictionaryCommonDark.xaml
@@ -22,7 +22,11 @@
         <Setter Property="Foreground" Value="WhiteSmoke"/>
         <Setter Property="BorderBrush" Value="{x:Null}"/>
         <Setter Property="BorderThickness" Value="0"/>
-        <Setter Property="BorderThickness" Value="0"/>
+        <!--光标颜色-->
+        <Setter Property="CaretBrush" Value="WhiteSmoke"/>
+        <!--选区颜色-->
+        <Setter Property="SelectionBrush" Value="#2d445c"/>
+        <Setter Property="Margin" Value="10,10,5,35"/>
         <Setter Property="FontSize" Value="16"/>
         <Setter Property="MinHeight" Value="70"/>
         <Setter Property="MaxHeight" Value="200"/>
diff --git a/STranslate/Style/Default/DictionaryButtonDefault.xaml b/STranslate/Style/Default/DictionaryButtonDefault.xaml
index 5b9c8bd..0d7e09f 100644
--- a/STranslate/Style/Default/DictionaryButtonDefault.xaml
+++ b/STranslate/Style/Default/DictionaryButtonDefault.xaml
@@ -1,6 +1,45 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-
+    <ControlTemplate x:Key="ButtonTemplateTopmost"
+                     TargetType="Button">
+        <Border x:Name="border"
+                CornerRadius="5"
+                Padding="5"
+                HorizontalAlignment="Left"
+                Margin="8,5,0,0"
+                MaxHeight="30">
+            <Image Height="20"
+                   Source="pack://application:,,,/STranslate;component/Images/Button_Default/topmost.png"/>
+        </Border>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsMouseOver" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#eaeaea"></Setter>
+            </Trigger>
+            <Trigger Property="IsPressed" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#dddddd"></Setter>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+    <ControlTemplate x:Key="ButtonTemplateUnTopmost"
+                     TargetType="Button">
+        <Border x:Name="border"
+                CornerRadius="5"
+                Padding="5"
+                HorizontalAlignment="Left"
+                Margin="8,5,0,0"
+                MaxHeight="30">
+            <Image Height="20"
+                   Source="pack://application:,,,/STranslate;component/Images/Button_Default/untopmost.png"/>
+        </Border>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsMouseOver" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#eaeaea"></Setter>
+            </Trigger>
+            <Trigger Property="IsPressed" Value="true">
+                <Setter TargetName="border" Property="Background" Value="#dddddd"></Setter>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
     <ControlTemplate x:Key="ButtonTemplate" TargetType="Button">
         <Border x:Name="border"
                     CornerRadius="5"
diff --git a/STranslate/Style/Default/DictionaryCommonDefault.xaml b/STranslate/Style/Default/DictionaryCommonDefault.xaml
index 69c2974..d9dcb9d 100644
--- a/STranslate/Style/Default/DictionaryCommonDefault.xaml
+++ b/STranslate/Style/Default/DictionaryCommonDefault.xaml
@@ -21,7 +21,7 @@
         <Setter Property="Background" Value="Transparent"/>
         <Setter Property="BorderBrush" Value="{x:Null}"/>
         <Setter Property="BorderThickness" Value="0"/>
-        <Setter Property="BorderThickness" Value="0"/>
+        <Setter Property="Margin" Value="10,10,5,35"/>
         <Setter Property="FontSize" Value="16"/>
         <Setter Property="MinHeight" Value="70"/>
         <Setter Property="MaxHeight" Value="200"/>
diff --git a/STranslate/ViewModel/MainVM.cs b/STranslate/ViewModel/MainVM.cs
index b1668bd..30aacc2 100644
--- a/STranslate/ViewModel/MainVM.cs
+++ b/STranslate/ViewModel/MainVM.cs
@@ -214,12 +214,6 @@ namespace STranslate.ViewModel
         private string _LargeHumpRet;
         public string LargeHumpRet { get => _LargeHumpRet; set => UpdateProperty(ref _LargeHumpRet, value); }
 
-        /// <summary>
-        /// 置顶图标
-        /// </summary>
-        private BitmapImage _TopImgSource;
-        public BitmapImage TopImgSource { get => _TopImgSource; set => UpdateProperty(ref _TopImgSource, value); }
-
         private string _InputTxt;
         public string InputTxt { get => _InputTxt; set => UpdateProperty(ref _InputTxt, value); }