diff --git a/db/contacts_db.py b/db/contacts_db.py
index e1b2345..704037f 100644
--- a/db/contacts_db.py
+++ b/db/contacts_db.py
@@ -680,3 +680,19 @@ class ContactsDBOperator(BaseDBOperator):
         except Exception as e:
             self.LOG.error(f"获取所有联系人头像信息失败: {e}")
             return []
+
+    # 新增更新群成员最后活跃时间接口
+    def update_chatroom_member_active_time(self, chatroom_id: str, wxid: str) -> bool:
+        """更新群成员的最后活跃时间"""
+        try:
+            # 只有当成员确实存在时才更新
+            sql = """
+            UPDATE t_chatroom_member
+            SET latest_active_time = CURRENT_TIMESTAMP
+            WHERE chatroom_id = %s AND wxid = %s
+            """
+            self.execute_update(sql, (chatroom_id, wxid))
+            return True
+        except Exception as e:
+            self.LOG.error(f"更新群{chatroom_id}成员{wxid}活跃时间失败: {e}")
+            return False
diff --git a/utils/wechat/message_to_db.py b/utils/wechat/message_to_db.py
index 7d3043d..f6209fa 100644
--- a/utils/wechat/message_to_db.py
+++ b/utils/wechat/message_to_db.py
@@ -12,6 +12,7 @@ from threading import Lock
 from typing import Dict
 
 from db.connection import DBConnectionManager
+from db.contacts_db import ContactsDBOperator
 from db.levels_db import LevelsDBOperator
 from db.message_storage import MessageStorageDB
 # 导入积分系统
@@ -31,6 +32,7 @@ class MessageStorage:
         # 获取数据库连接管理器的单例
         self.db_manager = DBConnectionManager.get_instance()
         self.message_db = MessageStorageDB(self.db_manager)
+        self.contacts_db = ContactsDBOperator(self.db_manager)
 
         self.points_db = PointsDBOperator(self.db_manager)
         # 初始化本地缓存字典，使用 group_id 作为键
@@ -93,6 +95,10 @@ class MessageStorage:
     def _archive_message_task(self, msg: WxMessage):
         """实际执行消息存档的任务函数"""
         try:
+            # 更新群成员最后活跃时间
+            if msg.roomid and msg.roomid.endswith('@chatroom') and msg.sender:
+                self.contacts_db.update_chatroom_member_active_time(msg.roomid, msg.sender)
+
             # 使用 MessageStorageDB 类存档消息
             result = self.message_db.archive_message(msg)
             return {