diff --git a/src/AppSettings.cs b/src/AppSettings.cs
index ec61206..9e9f546 100644
--- a/src/AppSettings.cs
+++ b/src/AppSettings.cs
@@ -25,6 +25,11 @@ public class AppSettings
     /// </summary>
     public bool LockAnimation { get; set; } = true;
 
+    /// <summary>
+    /// 程序启动时锁定
+    /// </summary>
+    public bool LockOnStartup { get; set; } = false;
+
     /// <summary>
     /// 自动锁定的秒数
     /// </summary>
diff --git a/src/Pages/Index.razor b/src/Pages/Index.razor
index fa4e0b5..0d27f25 100644
--- a/src/Pages/Index.razor
+++ b/src/Pages/Index.razor
@@ -56,6 +56,11 @@
            Label="@(Lang["MouseDownActivePwd"])"
            Color="Color.Primary" />
 
+<MudSwitch @bind-Value="@(AppSettings.LockOnStartup)"
+           @bind-Value:after="SaveSettings"
+           Label="@(Lang["LockOnStartup"])"
+           Color="Color.Primary" />
+
 <div class="d-flex align-center mt-2">
     <MudText Typo="Typo.button">@(Lang["LockShortcutKey"])</MudText>
     <MudButton Class="ml-3"
diff --git a/src/Resources/Lang.Designer.cs b/src/Resources/Lang.Designer.cs
index 24e5428..f87d585 100644
--- a/src/Resources/Lang.Designer.cs
+++ b/src/Resources/Lang.Designer.cs
@@ -303,6 +303,15 @@ public static string Locked {
             }
         }
         
+        /// <summary>
+        ///   查找类似  的本地化字符串。
+        /// </summary>
+        public static string LockOnStartup {
+            get {
+                return ResourceManager.GetString("LockOnStartup", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似  的本地化字符串。
         /// </summary>
diff --git a/src/Resources/Lang.en.resx b/src/Resources/Lang.en.resx
index 33829fb..6c19d22 100644
--- a/src/Resources/Lang.en.resx
+++ b/src/Resources/Lang.en.resx
@@ -306,4 +306,7 @@
   <data name="ResetSettingsMessage" xml:space="preserve">
     <value>Are you sure you want to reset all settings?</value>
   </data>
+  <data name="LockOnStartup" xml:space="preserve">
+    <value>Lock screen on startup</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/src/Resources/Lang.resx b/src/Resources/Lang.resx
index 4714ef7..37fc1d7 100644
--- a/src/Resources/Lang.resx
+++ b/src/Resources/Lang.resx
@@ -286,4 +286,7 @@
   <data name="ResetSettingsMessage" xml:space="preserve">
     <value></value>
   </data>
+  <data name="LockOnStartup" xml:space="preserve">
+    <value></value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/src/Resources/Lang.zh.resx b/src/Resources/Lang.zh.resx
index 50cf3ad..d691cae 100644
--- a/src/Resources/Lang.zh.resx
+++ b/src/Resources/Lang.zh.resx
@@ -303,4 +303,7 @@
   <data name="ResetSettingsMessage" xml:space="preserve">
     <value>确定要重置所有设置并重启程序吗？</value>
   </data>
+  <data name="LockOnStartup" xml:space="preserve">
+    <value>程序启动时锁定屏幕</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/src/WindowMain.xaml b/src/WindowMain.xaml
index c1ce095..0e6ce46 100644
--- a/src/WindowMain.xaml
+++ b/src/WindowMain.xaml
@@ -8,7 +8,7 @@
         xmlns:ui="http://schemas.modernwpf.com/2019"
         mc:Ignorable="d"
         Title="透明锁屏"
-        Height="450"
+        Height="490"
         Width="530"
         ResizeMode="NoResize"
         WindowState="Normal"
diff --git a/src/WindowMain.xaml.cs b/src/WindowMain.xaml.cs
index 5f0162c..3578283 100644
--- a/src/WindowMain.xaml.cs
+++ b/src/WindowMain.xaml.cs
@@ -68,6 +68,11 @@ public WindowMain(KeyboardHook keyboardHook, AppSettings appSettings, ILocker lo
             };
         }
 
+        if (_appSettings.LockOnStartup)
+        {
+            _logger.Write("程序启动时锁定屏幕");
+            _locker.Lock();
+        }
     }
 
     private void Window_Loaded(object sender, RoutedEventArgs e)