From 00e89e86da0a7fdb92716ac546d780ec19dac5e6 Mon Sep 17 00:00:00 2001
From: rendyu <5318486+rendyu@users.noreply.github.com>
Date: Thu, 27 Aug 2026 11:53:00 +0800
Subject: [PATCH 1/2] Add parsing for LastModifiedDate in StlChannel

---
 src/SSCMS.Core/StlParser/StlElement/StlChannel.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/SSCMS.Core/StlParser/StlElement/StlChannel.cs b/src/SSCMS.Core/StlParser/StlElement/StlChannel.cs
index b2bef3acb..a04c40981 100644
--- a/src/SSCMS.Core/StlParser/StlElement/StlChannel.cs
+++ b/src/SSCMS.Core/StlParser/StlElement/StlChannel.cs
@@ -371,6 +371,11 @@ private static async Task<string> ParseAsync(IParseManager parseManager, string
                 inputType = InputType.DateTime;
                 parsedContent = DateUtils.Format(channel.AddDate, format);
             }
+            else if (StringUtils.EqualsIgnoreCase(type, nameof(Channel.LastModifiedDate)))
+            {
+                inputType = InputType.DateTime;
+                parsedContent = DateUtils.Format(channel.LastModifiedDate, format);
+            }
             else if (StringUtils.EqualsIgnoreCase(type, nameof(Channel.ImageUrl)))
             {
                 //inputType = InputType.Image;

From c7c7d0443c698a702b9f3561147bf216d71f48cf Mon Sep 17 00:00:00 2001
From: rendyu <5318486+rendyu@users.noreply.github.com>
Date: Thu, 27 Aug 2026 11:54:52 +0800
Subject: [PATCH 2/2] Fix null check for parentIdStrList access
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

原代码在获取父级频道ID时未判断 topLevel 是否小于 parentIdStrList.Count，可能导致越界异常。现已增加判断，确保安全访问列表元素。
---
 src/SSCMS.Core/StlParser/Utility/StlDataManager.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SSCMS.Core/StlParser/Utility/StlDataManager.cs b/src/SSCMS.Core/StlParser/Utility/StlDataManager.cs
index 942b52050..e4308b8d9 100644
--- a/src/SSCMS.Core/StlParser/Utility/StlDataManager.cs
+++ b/src/SSCMS.Core/StlParser/Utility/StlDataManager.cs
@@ -56,7 +56,7 @@ public async Task<int> GetChannelIdByLevelAsync(int siteId, int channelId, int u
                         if (topLevel < channel.ParentsCount)
                         {
                             var parentIdStrList = ListUtils.GetStringList(ListUtils.ToString(channel.ParentsPath));
-                            if (parentIdStrList[topLevel] != null)
+                            if (topLevel < parentIdStrList.Count && parentIdStrList[topLevel] != null)
                             {
                                 var parentIdStr = parentIdStrList[topLevel];
                                 theChannelId = TranslateUtils.ToInt(parentIdStr);