change README
diff --git a/README.md b/README.md
index fe04835..b0bd681 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 [中文说明](README_ZH.md)
 ### Demo Address
 * http://47.91.207.147/#/service
-* this demo is the latest version of `metadata` branch, you can try it before building from source code
+* this demo is the latest version of `develop` branch, you can try it before building from source code
 ### Screenshot
 
 ![index](https://raw.githubusercontent.com/apache/incubator-dubbo-ops/develop/doc/images/index.png)
@@ -28,7 +28,7 @@
 
 1. Clone source code on develop branch `git clone https://github.com/apache/incubator-dubbo-ops.git`
 2. Specify registry address in `dubbo-admin-backend/src/main/resources/application-production.properties`
-3. Build   
+3. Build
 
     > - `mvn clean package`
 4. Start `mvn --projects dubbo-admin-backend spring-boot:run`
@@ -36,13 +36,13 @@
 ---
 
 ### Development Setup
-* Run backend project  
+* Run backend project
    backend is a standard spring boot project, you can run it in any java IDE
-* Run frontend project  
+* Run frontend project
   run with `npm run dev`.
-* visit web page  
-  visit `http://localhost:8081`, frontend supports hot reload.             
- * CORS problem  
+* visit web page
+  visit `http://localhost:8081`, frontend supports hot reload.
+ * CORS problem
     for the convenience of development, we deploy frontend and backend separately, so the frontend supports hot reload. In this mode, frontend will request `localhost:8080` to fetch data, this will cause a CORS problem, so we add a configuration in `dubbo-admin-frontend/config/index.js` to support CORS. this config will activated under `npm run dev` mode.
 
 ### Swagger support
diff --git a/README_ZH.md b/README_ZH.md
index 0ff5d76..cbaec11 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -5,9 +5,9 @@
 ![license](https://img.shields.io/github/license/apache/incubator-dubbo-ops.svg)
 
 English version goes [here](README.md).
-### Demo地址  
-* http://47.91.207.147/#/service  
-* 该地址是`metadata`分支的最新版本,在从源码构建之前,可以先尝试demo
+### Demo地址
+* http://47.91.207.147/#/service
+* 该地址是`develop`分支的最新版本,在从源码构建之前,可以先尝试demo
 ### 页面截图
 
 ![index](https://raw.githubusercontent.com/apache/incubator-dubbo-ops/develop/doc/images/index.png)
@@ -21,14 +21,14 @@
 
 * 标准spring boot工程
 * **注意** 本分支依赖Dubbo2.7-SNAPSHOT版本,该Dubbo版本还未正式发布,因此如果发现依赖方面的错误,请清空本地库中的dubbo2.7相关文件
-* 在项目根目录(incubator-dubbo-ops)第一次构建需要强制更新: `mvn -Dmaven.test.skip=true clean -U package`   
+* 在项目根目录(incubator-dubbo-ops)第一次构建需要强制更新: `mvn -Dmaven.test.skip=true clean -U package`
 
 
-### 生产环境配置  
+### 生产环境配置
 
 1. 下载代码: `git clone https://github.com/apache/incubator-dubbo-ops.git`
 2. 在 `dubbo-admin-backend/src/main/resources/application-production.properties`中指定注册中心地址
-3. 构建   
+3. 构建
 
     > - `mvn clean package`
 4. 启动 `mvn --projects dubbo-admin-backend spring-boot:run`
@@ -36,13 +36,13 @@
 ---
 
 ### 开发环境配置
-* 运行`dubbo admin backend`  
+* 运行`dubbo admin backend`
    `dubbo admin backend`是一个标准的spring boot项目, 可以在任何java IDE中运行它
-* 运行`dubbo admin frontend`  
+* 运行`dubbo admin frontend`
   `dubbo admin frontend`由npm管理和构建,在开发环境中,可以单独运行: `npm run dev`
-* 页面访问  
-  访问 `http://localhost:8081`, 由于前后端分开部署,前端支持热加载,任何页面的修改都可以实时反馈,不需要重启应用。             
- * 跨域问题  
+* 页面访问
+  访问 `http://localhost:8081`, 由于前后端分开部署,前端支持热加载,任何页面的修改都可以实时反馈,不需要重启应用。
+ * 跨域问题
     为了方便开发,我们提供了这种前后端分离的部署模式,主要的好处是支持前端热部署,在这种模式下,前端会通过8080端口访问后端的restful api接口,获取数据, 这将导致跨域访问的问题。因此我们在`dubbo-admin-frontend/config/index.js`添加了支持跨域访问的配置,当前端通过`npm run dev`单独启动时,这些配置将被激活,允许跨域访问
 
 ### Swagger 支持