From 4ad3d30b1d2bb7482c0326c0b755dd3c3076e0f5 Mon Sep 17 00:00:00 2001
From: he <109787524@qq.com>
Date: Tue, 26 Aug 2025 14:14:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E9=A6=96=E6=AC=A1=E5=BC=82?=
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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 f37e84d50..7c8cfb0a1 100644
--- a/IRaCIS.Core.Application/Service/Management/UserService.cs
+++ b/IRaCIS.Core.Application/Service/Management/UserService.cs
@@ -1155,7 +1155,7 @@ 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 != string.Empty&& lastLoginIPRegion!=null)
                 {
                     // 与上一次区域不一致
                     //if (SplitAndConcatenate(existUserLoginInfo.LastLoginIP) != SplitAndConcatenate(iPRegion))