Update demo url.

Author: zqburde

README-ZH.md

@@ -105,9 +105,7 @@
 
         如果您想试用 Demo 环境，请加入DataSphere Studio社区用户群（**加群方式请翻到本文档末尾处**），联系 **WeDataSphere 入群机器人** 获取邀请码。
 
-        DataSphereStudio Demo 环境用户注册页面：[点我进入](https://dss-open.wedatasphere.com/#/register)
-
-        DataSphereStudio Demo 环境登录页面：[点我进入](https://dss-open.wedatasphere.com/#/login)
+        DataSphereStudio Demo 环境登录页面：[点我进入](http://106.52.77.156:8085/)
 
 
 ## 下载

README.md

@@ -103,9 +103,7 @@ English | [中文](README-ZH.md)
 
         If you want to try out the Demo environment, please join the DataSphere Studio community user group (**Please refer to the end of the document**), and contact **WeDataSphere Group Robot** to get an invitation code.
 
-        DataSphereStudio Demo environment user registration page: [click me to enter](https://dss-open.wedatasphere.com/#/register)
-
-        DataSphereStudio Demo environment login page: [click me to enter](https://dss-open.wedatasphere.com/#/login)
+        DataSphereStudio Demo environment login page: [click me to enter](http://106.52.77.156:8085/)
 
 ##  Download