diff --git a/v2rayN/ServiceLib/Handler/CoreHandler.cs b/v2rayN/ServiceLib/Handler/CoreHandler.cs
index c16f3fb9..ef0a8260 100644
--- a/v2rayN/ServiceLib/Handler/CoreHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreHandler.cs
@@ -323,7 +323,7 @@ namespace ServiceLib.Handler
 
                 if (isNeedSudo && _config.TunModeItem.LinuxSudoPwd.IsNotEmpty())
                 {
-                    var pwd = AesUtils.Decrypt(_config.TunModeItem.LinuxSudoPwd);
+                    var pwd = DesUtils.Decrypt(_config.TunModeItem.LinuxSudoPwd);
                     await Task.Delay(10);
                     await proc.StandardInput.WriteLineAsync(pwd);
                     await Task.Delay(10);
diff --git a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
index 6dc63db0..87fc6237 100644
--- a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
@@ -347,7 +347,7 @@ namespace ServiceLib.ViewModels
             _config.TunModeItem.EnableIPv6Address = TunEnableIPv6Address;
             if (TunLinuxSudoPassword != _config.TunModeItem.LinuxSudoPwd)
             {
-                _config.TunModeItem.LinuxSudoPwd = AesUtils.Encrypt(TunLinuxSudoPassword);
+                _config.TunModeItem.LinuxSudoPwd = DesUtils.Encrypt(TunLinuxSudoPassword);
             }
 
             //coreType
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index 7f340867..717551e9 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -379,6 +379,7 @@
                         </Grid.ColumnDefinitions>
 
                         <TextBlock
+                            x:Name="tbAutoRun"
                             Grid.Row="1"
                             Grid.Column="0"
                             VerticalAlignment="Center"
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index 8642defe..8ecf012e 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -172,6 +172,7 @@ namespace v2rayN.Desktop.Views
 
             if (Utils.IsOSX())
             {
+                tbAutoRun.IsVisible = false;
                 togAutoRun.IsVisible = false;
                 //TODO
             }