diff --git a/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs b/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
index 3e7d3f93..ffec9034 100644
--- a/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
@@ -72,8 +72,6 @@ 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);