From 01a3a9057b09009d254ebfa364f9c88a5f23fbb9 Mon Sep 17 00:00:00 2001
From: he <109787524@qq.com>
Date: Fri, 17 Oct 2025 11:32:17 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=82=E5=9C=B0=E7=99=BB=E5=BD=95=E4=BF=AE?=
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---
 IRaCIS.Core.Application/Service/Management/UserService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IRaCIS.Core.Application/Service/Management/UserService.cs b/IRaCIS.Core.Application/Service/Management/UserService.cs
index cda31390b..d0b4ef427 100644
--- a/IRaCIS.Core.Application/Service/Management/UserService.cs
+++ b/IRaCIS.Core.Application/Service/Management/UserService.cs
@@ -1044,7 +1044,7 @@ namespace IRaCIS.Core.Application.Service
                 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)
+                if (lastLoginIPRegion!=null&&lastLoginIPRegion != string.Empty)
                 {
                     // 与上一次区域不一致
                     //if (SplitAndConcatenate(existUserLoginInfo.LastLoginIP) != SplitAndConcatenate(iPRegion))