Update README by removing demo info and copyright year

Removed online experience section and updated copyright year.

Author: maninhill

README.md

@@ -16,14 +16,6 @@ CloudExplorer Lite 脱胎于飞致云创始软件产品 CloudExplorer 多云管
 
 ## 快速开始
 
-**在线体验**
-
--   环境地址：<https://cloudexplorer-lite-demo.fit2cloud.com/>
--   用户名：demo
--   密码：cloudexplorer
-
-**学习资料**
-
 -   [在线文档](https://docs-cloudexplorer-lite.fit2cloud.com/)
 
 ## 技术栈
@@ -36,7 +28,7 @@ CloudExplorer Lite 脱胎于飞致云创始软件产品 CloudExplorer 多云管
 
 ## License
 
-Copyright (c) 2014-2025 飞致云 FIT2CLOUD, All rights reserved.
+Copyright (c) 2014-2026 飞致云 FIT2CLOUD, All rights reserved.
 
 Licensed under The GNU General Public License version 3 (GPLv3)  (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at