diff --git a/STranslate/Style/Dark/DictionaryButtonDark.xaml b/STranslate/Style/Dark/DictionaryButtonDark.xaml
index a7bfaa9..98fe3aa 100644
--- a/STranslate/Style/Dark/DictionaryButtonDark.xaml
+++ b/STranslate/Style/Dark/DictionaryButtonDark.xaml
@@ -191,4 +191,17 @@
             </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
+
+    <!--ToolTip-->
+    <ControlTemplate x:Key="ToolTipTemplate"
+                     TargetType="ToolTip">
+        <Border CornerRadius="3"
+                BorderThickness="1"
+                BorderBrush="#393c43"
+                Background="#2e323a"
+                Padding="4">
+            <TextBlock Text="{TemplateBinding Name}"
+                       Foreground="#abb2bf"/>
+        </Border>
+    </ControlTemplate>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/STranslate/Style/Default/DictionaryButtonDefault.xaml b/STranslate/Style/Default/DictionaryButtonDefault.xaml
index 6cd0d6e..2b9ed2a 100644
--- a/STranslate/Style/Default/DictionaryButtonDefault.xaml
+++ b/STranslate/Style/Default/DictionaryButtonDefault.xaml
@@ -191,4 +191,16 @@
             </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
+
+    <!--ToolTip-->
+    <ControlTemplate x:Key="ToolTipTemplate"
+                     TargetType="ToolTip">
+        <Border CornerRadius="3"
+                BorderThickness="1"
+                BorderBrush="#dfdfdf"
+                Background="#f6f6f6"
+                Padding="4">
+            <TextBlock Text="{TemplateBinding Name}"/>
+        </Border>
+    </ControlTemplate>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/STranslate/View/MainWindow.xaml b/STranslate/View/MainWindow.xaml
index fe3953f..d7dc683 100644
--- a/STranslate/View/MainWindow.xaml
+++ b/STranslate/View/MainWindow.xaml
@@ -102,7 +102,11 @@
                                     Command="{Binding SourceSpeakCmd}"/>
                             <Button Template="{DynamicResource ButtonTemplate}"
                                     Visibility="{Binding InputTxt, Converter={StaticResource String2VisibilityConverter}}"
-                                    Command="{Binding CopyInputCmd}"/>
+                                    Command="{Binding CopyInputCmd}">
+                                <Button.ToolTip>
+                                    <ToolTip x:Name="复制" Template="{DynamicResource ToolTipTemplate}"/>
+                                </Button.ToolTip>
+                            </Button>
                             <Border Style="{DynamicResource LanguageMarkBorderStyle}"
                                     Visibility="{Binding IdentifyLanguage, Converter={StaticResource String2VisibilityConverter}}">
                                 <StackPanel Margin="5,2"
@@ -165,27 +169,44 @@
                         <StackPanel Orientation="Horizontal"
                                 Margin="10,5"
                                 VerticalAlignment="Bottom">
+                            <!--语音-->
                             <Button Template="{DynamicResource ButtonTemplateSpeak}"
-                                Visibility="{Binding OutputTxt, Converter={StaticResource String2VisibilityConverter}}"
-                                Command="{Binding TargetSpeakCmd}"/>
+                                    Visibility="{Binding OutputTxt, Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding TargetSpeakCmd}"/>
                             <!--普通复制-->
                             <Button Template="{DynamicResource ButtonTemplate}"
-                                Visibility="{Binding OutputTxt, Converter={StaticResource String2VisibilityConverter}}"
-                                Command="{Binding CopyResultCmd}"/>
+                                    Visibility="{Binding OutputTxt, Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding CopyResultCmd}">
+                                <Button.ToolTip>
+                                    <ToolTip x:Name="直接复制" Template="{DynamicResource ToolTipTemplate}"/>
+                                </Button.ToolTip>
+                            </Button>
                             <!--蛇形复制-->
                             <Button Margin="5,0"
-                                Template="{DynamicResource ButtonTemplateSnakeCopy}"
-                                Visibility="{Binding SnakeRet, Converter={StaticResource String2VisibilityConverter}}"
-                                Command="{Binding CopySnakeResultCmd}"/>
+                                    Template="{DynamicResource ButtonTemplateSnakeCopy}"
+                                    Visibility="{Binding SnakeRet, Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding CopySnakeResultCmd}">
+                                <Button.ToolTip>
+                                    <ToolTip x:Name="蛇形复制" Template="{DynamicResource ToolTipTemplate}"/>
+                                </Button.ToolTip>
+                            </Button>
                             <!--小驼峰复制-->
                             <Button Template="{DynamicResource ButtonTemplateSmallHumpCopy}"
-                                Visibility="{Binding SmallHumpRet, Converter={StaticResource String2VisibilityConverter}}"
-                                Command="{Binding CopySmallHumpResultCmd}"/>
+                                    Visibility="{Binding SmallHumpRet, Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding CopySmallHumpResultCmd}">
+                                <Button.ToolTip>
+                                    <ToolTip x:Name="小驼峰复制" Template="{DynamicResource ToolTipTemplate}"/>
+                                </Button.ToolTip>
+                            </Button>
                             <!--大驼峰复制-->
                             <Button Margin="5,0"
-                                Template="{DynamicResource ButtonTemplateLargeHumpCopy}"
-                                Visibility="{Binding LargeHumpRet, Converter={StaticResource String2VisibilityConverter}}"
-                                Command="{Binding CopyLargeHumpResultCmd}"/>
+                                    Template="{DynamicResource ButtonTemplateLargeHumpCopy}"
+                                    Visibility="{Binding LargeHumpRet, Converter={StaticResource String2VisibilityConverter}}"
+                                    Command="{Binding CopyLargeHumpResultCmd}">
+                                <Button.ToolTip>
+                                    <ToolTip x:Name="大驼峰复制" Template="{DynamicResource ToolTipTemplate}"/>
+                                </Button.ToolTip>
+                            </Button>
                         </StackPanel>
                     </Grid>
                 </Border>