diff --git a/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs b/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
index 45fedf8e..1c4c441e 100644
--- a/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreAdminHandler.cs
@@ -64,6 +64,7 @@ public class CoreAdminHandler
         catch (Exception ex)
         {
             _linuxSudoPid = -1;
+            AppHandler.Instance.LinuxSudoPwd = "";
             throw new Exception(ResUI.FailedToRunCore, ex);
         }