fix: demo地址修改

README.md

@@ -10,7 +10,7 @@
 
 ## Demo环境
 
-访问地址：[lm.cedar-v.com](http://lm.cedar-v.com)  
+访问地址：[lm.cedar-v.com:18080](http://lm.cedar-v.com:18080)  
 **登录凭证：**  
 - 用户名：`admin`  
 - 密码：`admin@123`

README_EN.md

@@ -10,7 +10,7 @@ License Manager is an independent software licensing platform that provides lice
 
 ## Demo Environment
 
-Access URL: [lm.cedar-v.com](http://lm.cedar-v.com)  
+Access URL: [lm.cedar-v.com:18080](http://lm.cedar-v.com:18080)  
 **Login Credentials:**  
 - Username: `admin`  
 - Password: `admin@123`