diff --git a/plugins/system_updater/main.py b/plugins/system_updater/main.py
index 3c3f483..f33b967 100644
--- a/plugins/system_updater/main.py
+++ b/plugins/system_updater/main.py
@@ -11,7 +11,6 @@ from utils.robot_cmd.robot_command import Feature, PermissionStatus, GroupBotMan
 from wechat_ipad import WechatAPIClient
 
 
-
 class SystemUpdaterPlugin(MessagePluginInterface):
     """系统更新插件"""
 
@@ -105,30 +104,48 @@ class SystemUpdaterPlugin(MessagePluginInterface):
         return False
 
     @plugin_stats_decorator(plugin_name="系统更新")
-    @plugin_points_cost(1, "系统更新消耗积分", FEATURE_KEY)
     async def process_message(self, message: Dict[str, Any]) -> Tuple[bool, Optional[str]]:
         """处理消息"""
         content = str(message.get("content", "")).strip()
-        self.LOG.debug(f"插件执行： {self.name}：{content}")
         sender = message.get("sender")
         roomid = message.get("roomid", "")
-        gbm: GroupBotManager = message.get("gbm")
-        bot: WechatAPIClient = message.get("bot")
+        gbm = message.get("gbm", None)
 
+        self.bot: WechatAPIClient = message.get("bot")
         # 检查权限
-        if roomid and gbm.get_group_permission(roomid, self.feature) == PermissionStatus.DISABLED:
-            return False, "没有权限"
+        if self.admin_wxids and sender not in self.admin_wxids:
+            await self.bot.send_text_message((roomid if roomid else sender), "⚠️ 您没有执行此操作的权限",
+                                             sender)
+            return True, "无权限"
 
-        # 检查是否是命令
-        if content in self._commands:
-            return True, "命令已接收"
+        # 如果是群消息，检查群权限
+        if roomid and gbm and hasattr(gbm, 'get_group_permission'):
+            if gbm.get_group_permission(roomid, Feature.ROBOT) == PermissionStatus.DISABLED:
+                return False, "机器人功能已禁用"
 
-        # 检查是否是带参数的更新命令
-        for cmd in self._commands:
-            if content.startswith(f"{cmd} "):
-                return True, "带参数的命令已接收"
+        # 提取等待时间参数
+        wait_time = self.wait_time
+        command = content.split(" ")[0]
+
+        if len(content.split(" ")) > 1:
+            try:
+                param = content.split(" ")[1].strip()
+                if param.isdigit():
+                    wait_time = int(param)
+                    self.LOG.info(f"使用自定义等待时间: {wait_time}秒")
+            except:
+                pass
+
+        # 发送更新通知
+        await self.bot.send_text_message((roomid if roomid else sender),
+                                         f"🔄 系统即将更新并重启，等待时间设置为{wait_time}秒...",
+                                         sender)
+
+        # 执行系统更新脚本
+        self._execute_system_update()
+
+        return True, "系统更新中"
 
-        return False, "无法处理的消息"
 
     def _execute_system_update(self):
         """执行系统更新操作"""