diff --git a/STranslate/Properties/AssemblyInfo.cs b/STranslate/Properties/AssemblyInfo.cs
index a2e0723..f3795bf 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("0.1.8.0")]
-[assembly: AssemblyFileVersion("0.1.8.0")]
+[assembly: AssemblyVersion("0.1.9.0")]
+[assembly: AssemblyFileVersion("0.1.9.0")]
 [assembly: Guid("CE252DD8-179F-4544-9989-453F5DEA378D")]
\ No newline at end of file
diff --git a/STranslate/View/MainWindow.xaml b/STranslate/View/MainWindow.xaml
index f7cea73..fe3953f 100644
--- a/STranslate/View/MainWindow.xaml
+++ b/STranslate/View/MainWindow.xaml
@@ -70,7 +70,13 @@
                           ItemsSource="{Binding TranslationInterface}"
                           SelectedItem="{Binding SelectedTranslationInterface, Mode=TwoWay, NotifyOnSourceUpdated=True}"
                           DisplayMemberPath="Name"
-                          HorizontalAlignment="Right"/>
+                          HorizontalAlignment="Right">
+                    <i:Interaction.Triggers>
+                        <i:EventTrigger EventName="SelectionChanged">
+                            <i:InvokeCommandAction Command="{Binding SelectLangChangedCmd}"/>
+                        </i:EventTrigger>
+                    </i:Interaction.Triggers>
+                </ComboBox>
             </Grid>
 
             <!--input-->
diff --git a/STranslate/View/SettingsWindow.xaml b/STranslate/View/SettingsWindow.xaml
index c77d762..f3fdcdf 100644
--- a/STranslate/View/SettingsWindow.xaml
+++ b/STranslate/View/SettingsWindow.xaml
@@ -211,8 +211,17 @@
 
             </TabItem>
             -->
-            
-            <TabItem Header="关于"
+
+            <TabItem Header="服务"
+                     Visibility="Collapsed"
+                     Padding="10,2">
+                
+                <GroupBox Header="DeepL API">
+                    
+                </GroupBox>
+            </TabItem>
+
+                <TabItem Header="关于"
                      Padding="10,2">
                 <ScrollViewer VerticalScrollBarVisibility="Auto">