Update dashboard.html

Author: Commandstone

denlu/dashboard.html

@@ -119,8 +119,12 @@ <h1>📢 网站公告中心</h1>
     </div>
 
     <script>
-        // 模拟公告数据
         const announcements = [
+            {
+                title: "重大更新",
+                date: "2025-05-10",
+                content: "增加工具箱，小游戏等功能，。"
+            },
             {
                 title: "系统维护通知",
                 date: "2025-04-25",