diff --git a/Flow.Launcher/CustomQueryHotkeySetting.xaml.cs b/Flow.Launcher/CustomQueryHotkeySetting.xaml.cs
index 81e7600b8fa..1bd6ee95b83 100644
--- a/Flow.Launcher/CustomQueryHotkeySetting.xaml.cs
+++ b/Flow.Launcher/CustomQueryHotkeySetting.xaml.cs
@@ -13,14 +13,14 @@ namespace Flow.Launcher
     public partial class CustomQueryHotkeySetting : Window
     {
         private SettingWindow _settingWidow;
+        private readonly Settings _settings;
         private bool update;
         private CustomPluginHotkey updateCustomHotkey;
-        public Settings Settings { get; }
 
         public CustomQueryHotkeySetting(SettingWindow settingWidow, Settings settings)
         {
             _settingWidow = settingWidow;
-            Settings = settings;
+            _settings = settings;
             InitializeComponent();
         }
 
@@ -33,13 +33,13 @@ private void btnAdd_OnClick(object sender, RoutedEventArgs e)
         {
             if (!update)
             {
-                Settings.CustomPluginHotkeys ??= new ObservableCollection<CustomPluginHotkey>();
+                _settings.CustomPluginHotkeys ??= new ObservableCollection<CustomPluginHotkey>();
 
                 var pluginHotkey = new CustomPluginHotkey
                 {
                     Hotkey = HotkeyControl.CurrentHotkey.ToString(), ActionKeyword = tbAction.Text
                 };
-                Settings.CustomPluginHotkeys.Add(pluginHotkey);
+                _settings.CustomPluginHotkeys.Add(pluginHotkey);
 
                 HotKeyMapper.SetCustomQueryHotkey(pluginHotkey);
             }
@@ -59,7 +59,7 @@ private void btnAdd_OnClick(object sender, RoutedEventArgs e)
 
         public void UpdateItem(CustomPluginHotkey item)
         {
-            updateCustomHotkey = Settings.CustomPluginHotkeys.FirstOrDefault(o =>
+            updateCustomHotkey = _settings.CustomPluginHotkeys.FirstOrDefault(o =>
                 o.ActionKeyword == item.ActionKeyword && o.Hotkey == item.Hotkey);
             if (updateCustomHotkey == null)
             {
@@ -77,8 +77,7 @@ public void UpdateItem(CustomPluginHotkey item)
         private void BtnTestActionKeyword_OnClick(object sender, RoutedEventArgs e)
         {
             App.API.ChangeQuery(tbAction.Text);
-            Application.Current.MainWindow.Show();
-            Application.Current.MainWindow.Opacity = 1;
+            App.API.ShowMainWindow();
             Application.Current.MainWindow.Focus();
         }
 
diff --git a/Flow.Launcher/CustomShortcutSetting.xaml.cs b/Flow.Launcher/CustomShortcutSetting.xaml.cs
index dec3506eb35..05d4d3d8396 100644
--- a/Flow.Launcher/CustomShortcutSetting.xaml.cs
+++ b/Flow.Launcher/CustomShortcutSetting.xaml.cs
@@ -65,8 +65,7 @@ private void cmdEsc_OnPress(object sender, ExecutedRoutedEventArgs e)
         private void BtnTestShortcut_OnClick(object sender, RoutedEventArgs e)
         {
             App.API.ChangeQuery(tbExpand.Text);
-            Application.Current.MainWindow.Show();
-            Application.Current.MainWindow.Opacity = 1;
+            App.API.ShowMainWindow();
             Application.Current.MainWindow.Focus();
         }
     }