diff --git a/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs b/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
index 3e7d3f93..661d9052 100644
--- a/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
@@ -9,7 +9,6 @@ public class CoreAdminHandler
     private static readonly Lazy<CoreAdminHandler> _instance = new(() => new());
     public static CoreAdminHandler Instance => _instance.Value;
     private Config _config;
-    private readonly string _sudoAccessText = "SUDO_ACCESS_VERIFIED";
     private Action<bool, string>? _updateFunc;
     private int _linuxSudoPid = -1;
 
@@ -50,17 +49,10 @@ public class CoreAdminHandler
             }
         };
 
-        var sudoVerified = false;
         DataReceivedEventHandler dataHandler = (sender, e) =>
         {
             if (e.Data.IsNotEmpty())
             {
-                if (!sudoVerified && e.Data.Contains(_sudoAccessText))
-                {
-                    sudoVerified = true;
-                    UpdateFunc(false, ResUI.SudoPwdVerfiedSuccessTip + Environment.NewLine);
-                    return;
-                }
                 UpdateFunc(false, e.Data + Environment.NewLine);
             }
         };
@@ -72,8 +64,6 @@ public class CoreAdminHandler
         proc.BeginOutputReadLine();
         proc.BeginErrorReadLine();
 
-        await Task.Delay(10);
-        await proc.StandardInput.WriteLineAsync(AppHandler.Instance.LinuxSudoPwd);
         await Task.Delay(10);
         await proc.StandardInput.WriteLineAsync(AppHandler.Instance.LinuxSudoPwd);
 
@@ -118,7 +108,7 @@ public class CoreAdminHandler
         }
         else
         {
-            sb.AppendLine($"sudo -S echo \"{_sudoAccessText}\" && sudo -S {cmdLine}");
+            sb.AppendLine($"sudo -S -k -p '' {cmdLine}");
         }
 
         await File.WriteAllTextAsync(shFilePath, sb.ToString());
diff --git a/v2rayN/v2rayN.Desktop/Views/SudoPasswordInputView.axaml.cs b/v2rayN/v2rayN.Desktop/Views/SudoPasswordInputView.axaml.cs
index ad1a0211..b5dcb5c9 100644
--- a/v2rayN/v2rayN.Desktop/Views/SudoPasswordInputView.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/SudoPasswordInputView.axaml.cs
@@ -64,8 +64,8 @@ public partial class SudoPasswordInputView : UserControl
     {
         try
         {
-            // Use sudo -S echo command to verify password
-            var arg = new List<string>() { "-c", "sudo -S echo SUDO_CHECK" };
+            // Use sudo echo command to verify password
+            var arg = new List<string>() { "-c", "sudo -S -k -p '' echo SUDO_CHECK" };
             var result = await CliWrap.Cli
                 .Wrap(Global.LinuxBash)
                 .WithArguments(arg)