diff --git a/IRaCIS.Core.Application/Service/Management/UserService.cs b/IRaCIS.Core.Application/Service/Management/UserService.cs
index 4d28e9cc6..4358964e9 100644
--- a/IRaCIS.Core.Application/Service/Management/UserService.cs
+++ b/IRaCIS.Core.Application/Service/Management/UserService.cs
@@ -1002,7 +1002,9 @@ namespace IRaCIS.Core.Application.Service
                 UserOptType.LoginLockedAccount
                 };
 
-                var lastLoginIPRegion = await _userLogRepository.Where(t => t.ActionUserName == loginUser.UserName && userOptTypes.Contains(t.OptType))
+                var actionUserName= loginUser!= null ? loginUser.UserName : userName;
+
+                var lastLoginIPRegion = await _userLogRepository.Where(t => t.ActionUserName == actionUserName && userOptTypes.Contains(t.OptType))
                     .OrderByDescending(t => t.CreateTime).Select(t => t.IPRegion).FirstOrDefaultAsync();
 
                 if (lastLoginIPRegion != string.Empty)