diff --git a/README.md b/README.md
index 7859bd5..8933f85 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,18 @@
 </a>
 </p>
 <p align="center">
+<a href="https://github.com/ZGGSONG/STranslate/blob/main/LICENSE" target="_self">
+ <img alt="Latest GitHub release" src="https://img.shields.io/github/license/ZGGSONG/STranslate" />
+</a>
 <a href="https://github.com/ZGGSONG/STranslate/releases/latest" target="_blank">
  <img alt="Latest GitHub release" src="https://img.shields.io/github/release/ZGGSONG/STranslate.svg" />
 </a>
+<a href="https://github.com/ZGGSONG/STranslate" target="_self">
+ <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/ZGGSONG/STranslate" />
+</a>
+<a href="https://github.com/ZGGSONG/STranslate" target="_self">
+ <img alt="GitHub repo size" src="https://img.shields.io/github/repo-size/ZGGSONG/STranslate" />
+</a>
 </p>
 <h1 align="center">STranslate</h1>
 
@@ -24,6 +33,7 @@
 - [x] 添加开机自启
 - [x] 添加亮/暗主题
 - [x] 添加 UI 设置缓存(用户目录下 `AppData\Local\STranslate`)
+- [x] 添加语音合成
 - [ ] 添加 OCR 翻译
 - [ ] 添加翻译记录缓存功能
 
@@ -58,4 +68,4 @@
 
 [https://github.com/NPCDW/WpfTool](https://github.com/NPCDW/WpfTool)  
 
-[https://github.com/zu1k/removed-2022-07-12/releases/tag/0.1.2](https://github.com/zu1k/removed-2022-07-12/releases/tag/0.1.2)
\ No newline at end of file
+[https://github.com/zu1k/removed-2022-07-12/releases/tag/0.1.2](https://github.com/zu1k/removed-2022-07-12/releases/tag/0.1.2)
diff --git a/STranslate/Images/iconfont.ttf b/STranslate/Images/iconfont.ttf
index 5bcdb90..839570f 100644
Binary files a/STranslate/Images/iconfont.ttf and b/STranslate/Images/iconfont.ttf differ
diff --git a/STranslate/MainWindow.xaml b/STranslate/MainWindow.xaml
index 9fcaaee..8164fdf 100644
--- a/STranslate/MainWindow.xaml
+++ b/STranslate/MainWindow.xaml
@@ -71,6 +71,9 @@
                         <StackPanel Orientation="Horizontal"
                                     Margin="10,5"
                                     VerticalAlignment="Bottom">
+                            <Button Template="{DynamicResource ButtonTemplateSpeak}"
+                                    Visibility="{Binding InputTxt,Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding SourceSpeakCmd}"/>
                             <Button Template="{DynamicResource ButtonTemplate}"
                                     Visibility="{Binding InputTxt,Converter={StaticResource String2VisibilityConverter}}"
                                     Command="{Binding CopyInputCmd}"/>
@@ -99,6 +102,7 @@
                 <ComboBox x:Name="InCombo"
                           Style="{DynamicResource cmbstyle}"
                           ItemsSource="{Binding InputCombo}"
+                          SelectionChanged="SelectionChanged"
                           SelectedItem="{Binding InputComboSelected,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" />
                 <Separator Margin="20,0"/>
                 <TextBlock Text="目标语言:  "
@@ -106,6 +110,7 @@
                 <ComboBox x:Name="OutCombo"
                           Style="{DynamicResource cmbstyle}"
                           ItemsSource="{Binding OutputCombo}"
+                          SelectionChanged="SelectionChanged"
                           SelectedItem="{Binding OutputComboSelected,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" />
             </StackPanel>
             
@@ -124,6 +129,9 @@
                         <StackPanel Orientation="Horizontal"
                                     Margin="10,5"
                                     VerticalAlignment="Bottom">
+                            <Button Template="{DynamicResource ButtonTemplateSpeak}"
+                                    Visibility="{Binding OutputTxt,Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding TargetSpeakCmd}"/>
                             <!--普通复制-->
                             <Button Template="{DynamicResource ButtonTemplate}"
                                     Visibility="{Binding OutputTxt,Converter={StaticResource String2VisibilityConverter}}"
diff --git a/STranslate/MainWindow.xaml.cs b/STranslate/MainWindow.xaml.cs
index 10ec55d..6540d1d 100644
--- a/STranslate/MainWindow.xaml.cs
+++ b/STranslate/MainWindow.xaml.cs
@@ -169,6 +169,7 @@ namespace STranslate
         {
             if (!_IsTopmost)
             {
+                vm.Speech.SpeakAsyncCancelAll();
                 this.Hide();
             }
         }
@@ -282,5 +283,14 @@ namespace STranslate
         private bool _IsTopmost { get; set; }
         private readonly string _TopmostTemplateName = "ButtonTemplateTopmost";
         private readonly string _UnTopmostTemplateName = "ButtonTemplateUnTopmost";
+
+        private void SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+        {
+            if (!string.IsNullOrEmpty(vm?.InputTxt))
+            {
+                vm.IdentifyLanguage = string.Empty;
+                _ = vm?.Translate();
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/STranslate/Properties/AssemblyInfo.cs b/STranslate/Properties/AssemblyInfo.cs
index 4ec056a..c3abdd3 100644
--- a/STranslate/Properties/AssemblyInfo.cs
+++ b/STranslate/Properties/AssemblyInfo.cs
@@ -47,6 +47,6 @@ using System.Windows;
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
 //通过使用 "*"，如下所示:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.1.2.0")]
-[assembly: AssemblyFileVersion("0.1.2.0")]
+[assembly: AssemblyVersion("0.1.4.0")]
+[assembly: AssemblyFileVersion("0.1.4.0")]
 [assembly: Guid("CE252DD8-179F-4544-9989-453F5DEA378D")]
\ No newline at end of file
diff --git a/STranslate/Properties/Resources.Designer.cs b/STranslate/Properties/Resources.Designer.cs
index 055571e..a5844d9 100644
--- a/STranslate/Properties/Resources.Designer.cs
+++ b/STranslate/Properties/Resources.Designer.cs
@@ -19,7 +19,7 @@ namespace STranslate.Properties {
     // 类通过类似于 ResGen 或 Visual Studio 的工具自动生成的。
     // 若要添加或移除成员，请编辑 .ResX 文件，然后重新运行 ResGen
     // (以 /str 作为命令选项)，或重新生成 VS 项目。
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "16.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
diff --git a/STranslate/STranslate.csproj b/STranslate/STranslate.csproj
index ad0ae21..7022f53 100644
--- a/STranslate/STranslate.csproj
+++ b/STranslate/STranslate.csproj
@@ -62,6 +62,7 @@
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Speech" />
     <Reference Include="System.Web" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
diff --git a/STranslate/Style/Dark/DictionaryButtonDark.xaml b/STranslate/Style/Dark/DictionaryButtonDark.xaml
index ea619a4..431bf1c 100644
--- a/STranslate/Style/Dark/DictionaryButtonDark.xaml
+++ b/STranslate/Style/Dark/DictionaryButtonDark.xaml
@@ -81,6 +81,29 @@
         </ControlTemplate.Triggers>
     </ControlTemplate>
     
+    <!--speak-->
+    <ControlTemplate x:Key="ButtonTemplateSpeak" TargetType="Button">
+        <Border x:Name="border"
+                CornerRadius="5"
+                Margin="0,0,5,0"
+                Padding="4"
+                MaxHeight="25">
+            <TextBlock Style="{StaticResource IconStyle}"
+                       FontSize="17"
+                       VerticalAlignment="Center"
+                       Text="&#xe610;"
+                       Foreground="WhiteSmoke"/>
+        </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>
+    
     <!--普通复制-->
     <ControlTemplate x:Key="ButtonTemplate" TargetType="Button">
         <Border x:Name="border"
diff --git a/STranslate/Style/Default/DictionaryButtonDefault.xaml b/STranslate/Style/Default/DictionaryButtonDefault.xaml
index 82d39f5..6cd0d6e 100644
--- a/STranslate/Style/Default/DictionaryButtonDefault.xaml
+++ b/STranslate/Style/Default/DictionaryButtonDefault.xaml
@@ -81,6 +81,29 @@
         </ControlTemplate.Triggers>
     </ControlTemplate>
     
+    <!--speak-->
+    <ControlTemplate x:Key="ButtonTemplateSpeak" TargetType="Button">
+        <Border x:Name="border"
+                CornerRadius="5"
+                Margin="0,0,5,0"
+                Padding="4"
+                MaxHeight="25">
+            <TextBlock Style="{StaticResource IconStyle}"
+                       FontSize="17"
+                       VerticalAlignment="Center"
+                       Text="&#xe610;"
+                       Foreground="#515151"/>
+        </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>
+    
     <!--普通复制-->
     <ControlTemplate x:Key="ButtonTemplate" TargetType="Button">
         <Border x:Name="border"
diff --git a/STranslate/ViewModel/MainVM.cs b/STranslate/ViewModel/MainVM.cs
index 7d38715..619c820 100644
--- a/STranslate/ViewModel/MainVM.cs
+++ b/STranslate/ViewModel/MainVM.cs
@@ -11,6 +11,7 @@ using System.Windows.Media;
 using System.Text.RegularExpressions;
 using System.Security.Cryptography;
 using STranslate.Util;
+using System.Speech.Synthesis;
 
 namespace STranslate.ViewModel
 {
@@ -28,6 +29,16 @@ namespace STranslate.ViewModel
             InputCombo = LanguageEnumDict.Keys.ToList();
             OutputCombo = LanguageEnumDict.Keys.ToList();
 
+            //source speak
+            SourceSpeakCmd = new RelayCommand((_) => true, (_) =>
+            {
+                Speech.SpeakAsync(InputTxt);
+            });
+            //target speak
+            TargetSpeakCmd = new RelayCommand((_) => true, (_) =>
+            {
+                Speech.SpeakAsync(OutputTxt);
+            });
             //复制输入
             CopyInputCmd = new RelayCommand((_) => true, (_) =>
             {
@@ -233,12 +244,15 @@ namespace STranslate.ViewModel
 
         public void Dispose()
         {
+            Speech.Dispose();
             WriteConfig();
         }
         #endregion handle
 
         #region Params
         private string translateResp;
+        public ICommand SourceSpeakCmd { get; private set; }
+        public ICommand TargetSpeakCmd { get; private set; }
         public ICommand TranslateCmd { get; private set; }
         public ICommand CopyInputCmd { get; private set; }
         public ICommand CopyResultCmd { get; private set; }
@@ -300,6 +314,12 @@ namespace STranslate.ViewModel
         private Server _SelectedTranslationInterface;
         public Server SelectedTranslationInterface { get => _SelectedTranslationInterface; set => UpdateProperty(ref _SelectedTranslationInterface, value); }
         private static Dictionary<string, LanguageEnum> LanguageEnumDict { get => Util.Util.GetEnumList<LanguageEnum>(); }
+
+        /// <summary>
+        /// 语音
+        /// </summary>
+        public readonly SpeechSynthesizer Speech = new SpeechSynthesizer();
+
         private static readonly string _ThemeDark = "pack://application:,,,/STranslate;component/Style/Dark.xaml";
         private static readonly string _ThemeDefault = "pack://application:,,,/STranslate;component/Style/Default.xaml";
         #endregion Params
diff --git a/example.png b/example.png
index 6a0db3b..335b900 100644
Binary files a/example.png and b/example.png differ
diff --git a/example_dark.png b/example_dark.png
index 1811935..bd12057 100644
Binary files a/example_dark.png and b/example_dark.png differ