diff --git a/Wox.Plugin/IPublicAPI.cs b/Wox.Plugin/IPublicAPI.cs
index 2c19c0a3bd..1cb9df7035 100644
--- a/Wox.Plugin/IPublicAPI.cs
+++ b/Wox.Plugin/IPublicAPI.cs
@@ -64,7 +64,7 @@ namespace Wox.Plugin
         /// <summary>
         /// Open setting dialog
         /// </summary>
-        void OpenSettingDialog(string tabName = "general");
+        void OpenSettingDialog(int tab = 0);
 
         /// <summary>
         /// Show loading animation
diff --git a/Wox/MainWindow.xaml.cs b/Wox/MainWindow.xaml.cs
index bc350b5375..e65f050a5c 100644
--- a/Wox/MainWindow.xaml.cs
+++ b/Wox/MainWindow.xaml.cs
@@ -103,7 +103,7 @@ namespace Wox
             var setting = new MenuItem(InternationalizationManager.Instance.GetTranslation("iconTraySettings"));
             setting.Click += (o, e) => App.API.OpenSettingDialog();
             var about = new MenuItem(InternationalizationManager.Instance.GetTranslation("iconTrayAbout"));
-            about.Click += (o, e) => App.API.OpenSettingDialog("about");
+            about.Click += (o, e) => App.API.OpenSettingDialog((int) SettingWindowViewModel.Tab.About);
             var exit = new MenuItem(InternationalizationManager.Instance.GetTranslation("iconTrayExit"));
             exit.Click += (o, e) => Close();
             MenuItem[] childen = { open, setting, about, exit };
diff --git a/Wox/PublicAPIInstance.cs b/Wox/PublicAPIInstance.cs
index 693edfb48d..687e634258 100644
--- a/Wox/PublicAPIInstance.cs
+++ b/Wox/PublicAPIInstance.cs
@@ -15,6 +15,7 @@ using Wox.Helper;
 using Wox.Infrastructure.Hotkey;
 using Wox.Plugin;
 using Wox.ViewModel;
+using static Wox.ViewModel.SettingWindowViewModel;
 
 namespace Wox
 {
@@ -96,12 +97,12 @@ namespace Wox
             });
         }
 
-        public void OpenSettingDialog(string tabName = "general")
+        public void OpenSettingDialog(int tab = 0)
         {
             Application.Current.Dispatcher.Invoke(() =>
             {
                 SettingWindow sw = SingletonWindowOpener.Open<SettingWindow>(this, _settingsViewModel);
-                sw.SwitchTo(tabName);
+                _settingsViewModel.SelectedTab = (Tab) tab;
             });
         }
 
diff --git a/Wox/SettingWindow.xaml b/Wox/SettingWindow.xaml
index f2498b4daa..2d86053d2c 100644
--- a/Wox/SettingWindow.xaml
+++ b/Wox/SettingWindow.xaml
@@ -18,7 +18,7 @@
     <Window.Resources>
         <image:ImagePathConverter x:Key="ImageConverter" />
     </Window.Resources>
-    <TabControl Height="auto" x:Name="SettingTab" SelectionChanged="OnTabChanged">
+    <TabControl Height="auto" SelectedIndex="{Binding SelectedTab}">
         <TabItem Header="{DynamicResource general}">
             <StackPanel Orientation="Vertical">
                 <CheckBox IsChecked="{Binding Settings.StartWoxOnSystemStartup}" Margin="10">
@@ -57,7 +57,7 @@
                 </StackPanel>
             </StackPanel>
         </TabItem>
-        <TabItem Header="{DynamicResource plugin}" x:Name="PluginTab">
+        <TabItem Header="{DynamicResource plugin}" Selector.Selected="OnPluginTabSelected">
             <Grid>
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="39.5" />
@@ -150,7 +150,7 @@
                 </Grid>
             </Grid>
         </TabItem>
-        <TabItem Header="{DynamicResource theme}" x:Name="ThemeTab">
+        <TabItem Header="{DynamicResource theme}" Selector.Selected="OnThemeTabSelected">
             <Grid>
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="200" />
@@ -240,7 +240,7 @@
                 </Grid>
             </Grid>
         </TabItem>
-        <TabItem Header="{DynamicResource hotkey}" x:Name="HotkeyTab">
+        <TabItem Header="{DynamicResource hotkey}" Selector.Selected="OnThemeTabSelected">
             <Grid Margin="10">
                 <Grid.RowDefinitions>
                     <RowDefinition Height="30" />
diff --git a/Wox/SettingWindow.xaml.cs b/Wox/SettingWindow.xaml.cs
index aaaa2f3f51..03db10edc5 100644
--- a/Wox/SettingWindow.xaml.cs
+++ b/Wox/SettingWindow.xaml.cs
@@ -79,50 +79,6 @@ namespace Wox
             settingsLoaded = true;
         }
 
-        public void SwitchTo(string tabName)
-        {
-            switch (tabName)
-            {
-                case "general":
-                    SettingTab.SelectedIndex = 0;
-                    break;
-                case "plugin":
-                    SettingTab.SelectedIndex = 1;
-                    break;
-                case "theme":
-                    SettingTab.SelectedIndex = 2;
-                    break;
-                case "hotkey":
-                    SettingTab.SelectedIndex = 3;
-                    break;
-                case "proxy":
-                    SettingTab.SelectedIndex = 4;
-                    break;
-                case "about":
-                    SettingTab.SelectedIndex = 5;
-                    break;
-            }
-        }
-
-        private void OnTabChanged(object sender, SelectionChangedEventArgs e)
-        {
-            // Update controls inside the selected tab
-            if (e.OriginalSource != SettingTab) return;
-
-            if (PluginTab.IsSelected)
-            {
-                OnPluginTabSelected();
-            }
-            else if (ThemeTab.IsSelected)
-            {
-                OnThemeTabSelected();
-            }
-            else if (HotkeyTab.IsSelected)
-            {
-                OnHotkeyTabSelected();
-            }
-        }
-
         #region General
 
         void OnLanguageChanged(object sender, SelectionChangedEventArgs e)
@@ -247,7 +203,7 @@ namespace Wox
             }
         }
 
-        private void OnHotkeyTabSelected()
+        public void OnHotkeyTabSelected(object sender, RoutedEventArgs e)
         {
             HotkeyControl.HotkeyChanged += ctlHotkey_OnHotkeyChanged;
             HotkeyControl.SetHotkey(_settings.Hotkey, false);
@@ -310,7 +266,7 @@ namespace Wox
             Process.Start("http://www.getwox.com/theme");
         }
 
-        private void OnThemeTabSelected()
+        public void OnThemeTabSelected(object sender, RoutedEventArgs e)
         {
             Stopwatch.Debug("theme load", () =>
             {
@@ -644,7 +600,7 @@ namespace Wox
             Process.Start("http://www.getwox.com/plugin");
         }
 
-        private void OnPluginTabSelected()
+        public void OnPluginTabSelected(object sender, RoutedEventArgs e)
         {
             var plugins = PluginManager.AllPlugins;
             //move all disabled to bottom
diff --git a/Wox/ViewModel/SettingWindowViewModel.cs b/Wox/ViewModel/SettingWindowViewModel.cs
index a3eebe3064..e20245d2e6 100644
--- a/Wox/ViewModel/SettingWindowViewModel.cs
+++ b/Wox/ViewModel/SettingWindowViewModel.cs
@@ -22,6 +22,8 @@ namespace Wox.ViewModel
         public Settings Settings { get; set; }
         public List<Language> Languages => InternationalizationManager.Instance.LoadAvailableLanguages();
         public IEnumerable<int> MaxResultsRange => Enumerable.Range(2, 16);
+        public Tab SelectedTab { get; set; } = Tab.General;
+
         public SettingWindowViewModel()
         {
             _storage = new JsonStrorage<Settings>();
@@ -33,6 +35,14 @@ namespace Wox.ViewModel
             _storage.Save();
         }
 
-       
+        public enum Tab
+        {
+            General = 0,
+            Plugin = 1,
+            Theme = 2,
+            Hotkey = 3,
+            Proxy = 4,
+            About = 5
+        }
     }
 }