diff --git a/STranslate.Model/ConfigModel.cs b/STranslate.Model/ConfigModel.cs
index 7d3ffb29..8886b2c9 100644
--- a/STranslate.Model/ConfigModel.cs
+++ b/STranslate.Model/ConfigModel.cs
@@ -92,6 +92,11 @@ public partial class ConfigModel : ObservableObject
         /// </summary>
         public string CustomFont { get; set; } = ConstStr.DEFAULTFONTNAME;
 
+        /// <summary>
+        /// 鼠标划词取消后是否保留置顶
+        /// </summary>
+        public bool IsKeepTopmostAfterMousehook { get; set; } = false;
+
         /// <summary>
         /// 服务
         /// </summary>
diff --git a/STranslate/Helper/ConfigHelper.cs b/STranslate/Helper/ConfigHelper.cs
index b75de983..fdad4507 100644
--- a/STranslate/Helper/ConfigHelper.cs
+++ b/STranslate/Helper/ConfigHelper.cs
@@ -160,7 +160,7 @@ public bool WriteConfig(CommonViewModel model)
                 CurrentConfig.IsRemoveLineBreakGettingWords = model.IsRemoveLineBreakGettingWords;
                 CurrentConfig.DoubleTapTrayFunc = model.DoubleTapTrayFunc;
                 CurrentConfig.CustomFont = model.CustomFont;
-
+                CurrentConfig.IsKeepTopmostAfterMousehook = model.IsKeepTopmostAfterMousehook;
                 WriteConfig(CurrentConfig);
                 isSuccess = true;
             }
@@ -258,6 +258,7 @@ private ConfigModel InitialConfig()
                 IsRemoveLineBreakGettingWords = false,
                 DoubleTapTrayFunc = DoubleTapFuncEnum.InputFunc,
                 CustomFont = ConstStr.DEFAULTFONTNAME,
+                IsKeepTopmostAfterMousehook = false,
                 SourceLanguage = LanguageEnum.AUTO.GetDescription(),
                 TargetLanguage = LanguageEnum.AUTO.GetDescription(),
                 Services =
diff --git a/STranslate/ViewModels/MainViewModel.cs b/STranslate/ViewModels/MainViewModel.cs
index 4cfe6d1c..ac53ddaa 100644
--- a/STranslate/ViewModels/MainViewModel.cs
+++ b/STranslate/ViewModels/MainViewModel.cs
@@ -209,9 +209,12 @@ private void MouseHook(Window view)
             }
             else
             {
-                view.Topmost = false;
-                IsTopMost = ConstStr.TAGFALSE;
-                TopMostContent = ConstStr.UNTOPMOSTCONTENT;
+                if (!(Singleton<ConfigHelper>.Instance.CurrentConfig?.IsKeepTopmostAfterMousehook ?? false))
+                {
+                    view.Topmost = false;
+                    IsTopMost = ConstStr.TAGFALSE;
+                    TopMostContent = ConstStr.UNTOPMOSTCONTENT;
+                }
                 Singleton<MouseHookHelper>.Instance.MouseHookStop();
                 Singleton<MouseHookHelper>.Instance.OnGetwordsHandler -= OnGetwordsHandlerChanged;
                 ToastHelper.Show("关闭鼠标划词");
diff --git a/STranslate/ViewModels/Preference/CommonViewModel.cs b/STranslate/ViewModels/Preference/CommonViewModel.cs
index 173eac8c..b87daa17 100644
--- a/STranslate/ViewModels/Preference/CommonViewModel.cs
+++ b/STranslate/ViewModels/Preference/CommonViewModel.cs
@@ -55,6 +55,7 @@ private void Reset()
             IsRemoveLineBreakGettingWords = Singleton<ConfigHelper>.Instance.CurrentConfig?.IsRemoveLineBreakGettingWords ?? false;
             DoubleTapTrayFunc = Singleton<ConfigHelper>.Instance.CurrentConfig?.DoubleTapTrayFunc ?? DoubleTapFuncEnum.InputFunc;
             CustomFont = Singleton<ConfigHelper>.Instance.CurrentConfig?.CustomFont ?? ConstStr.DEFAULTFONTNAME;
+            IsKeepTopmostAfterMousehook = Singleton<ConfigHelper>.Instance.CurrentConfig?.IsKeepTopmostAfterMousehook ?? false;
 
             ToastHelper.Show("重置配置", WindowType.Preference);
             if (IsStartup)
@@ -213,5 +214,8 @@ public string CustomFont
                 }
             }
         }
+
+        [ObservableProperty]
+        private bool isKeepTopmostAfterMousehook = Singleton<ConfigHelper>.Instance.CurrentConfig?.IsKeepTopmostAfterMousehook ?? false;
     }
 }
diff --git a/STranslate/Views/Preference/CommonPage.xaml b/STranslate/Views/Preference/CommonPage.xaml
index ff2d189d..2261099d 100644
--- a/STranslate/Views/Preference/CommonPage.xaml
+++ b/STranslate/Views/Preference/CommonPage.xaml
@@ -80,7 +80,7 @@
 
                             <DockPanel Margin="20,10">
                                 <TextBlock Text="禁用系统代理" />
-                                <TextBlock Style="{DynamicResource InfoTextBlock}" ToolTip="是否禁用彻底不走系统代理，默认走系统代理(如果开启)，禁用后不论系统代理是否开启均走直连" />
+                                <TextBlock Style="{DynamicResource InfoTextBlock}" ToolTip="是否禁用彻底不走系统代理，默认走系统代理(如果开启)&#13;禁用后不论系统代理是否开启均走直连(立即生效)" />
                                 <ToggleButton Height="26" HorizontalAlignment="Right" IsChecked="{Binding IsDisableSystemProxy}" />
                             </DockPanel>
                         </StackPanel>
@@ -91,7 +91,7 @@
                         <StackPanel>
                             <DockPanel Margin="20,10">
                                 <TextBlock Text="明暗主题" />
-                                <TextBlock Style="{DynamicResource InfoTextBlock}" ToolTip="亮色主题、暗色主题切换" />
+                                <TextBlock Style="{DynamicResource InfoTextBlock}" ToolTip="亮色主题、暗色主题切换(立即生效)" />
                                 <ToggleButton Height="26" HorizontalAlignment="Right" IsChecked="{Binding IsBright}" />
                             </DockPanel>
 
@@ -121,6 +121,12 @@
                                 <TextBlock Style="{DynamicResource InfoTextBlock}" ToolTip="非16:9的拓展显示器截图移位的问题" />
                                 <ToggleButton Height="26" HorizontalAlignment="Right" IsChecked="{Binding UnconventionalScreen}" />
                             </DockPanel>
+
+                            <DockPanel Margin="20,10">
+                                <TextBlock HorizontalAlignment="Left" Text="关闭鼠标划词保持置顶" />
+                                <TextBlock Style="{DynamicResource InfoTextBlock}" ToolTip="关闭鼠标划词功能后保持窗口置顶" />
+                                <ToggleButton Height="26" HorizontalAlignment="Right" IsChecked="{Binding IsKeepTopmostAfterMousehook}" />
+                            </DockPanel>
                         </StackPanel>
                     </Border>