diff --git a/README-zh.md b/README-zh.md
index a52b26ffb..373608c4b 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -48,15 +48,16 @@ Spring Cloud Alibaba 致力于提供微服务开发的一站式解决方案。
 更多组件请参考 [Roadmap](https://github.com/alibaba/spring-cloud-alibaba/blob/master/Roadmap-zh.md)。
 
 ## 如何构建
-
-* master 分支对应的是 Spring Cloud Greenwich，最低支持 JDK 1.8。
+* 2020.0 分支对应的是 Spring Cloud 2020，最低支持 JDK 1.8。
+* master 分支对应的是 Spring Cloud Hoxton，最低支持 JDK 1.8。
+* greenwich 分支对应的是 Spring Cloud Greenwich，最低支持 JDK 1.8。
 * finchley 分支对应的是 Spring Cloud Finchley，最低支持 JDK 1.8。
 * 1.x 分支对应的是 Spring Cloud Edgware，最低支持 JDK 1.7。
 
 Spring Cloud 使用 Maven 来构建，最快的使用方式是将本项目 clone 到本地，然后执行以下命令：
-
+```bash
 	./mvnw install
-
+```
 执行完毕后，项目将被安装到本地 Maven 仓库。
 
 ## 如何使用
@@ -64,7 +65,7 @@ Spring Cloud 使用 Maven 来构建，最快的使用方式是将本项目 clone
 ### 如何引入依赖
 
 如果需要使用已发布的版本，在 `dependencyManagement` 中添加如下配置。
-
+```xml
 	<dependencyManagement>
         <dependencies>
             <dependency>
@@ -76,7 +77,7 @@ Spring Cloud 使用 Maven 来构建，最快的使用方式是将本项目 clone
             </dependency>
         </dependencies>
     </dependencyManagement>
-
+```
 然后在 `dependencies` 中添加自己所需使用的依赖即可使用。
 
 ## 演示 Demo
@@ -111,7 +112,7 @@ Example 列表：
 * 2.0.x 版本适用于 Spring Boot 2.0.x
 * 2.1.x 版本适用于 Spring Boot 2.1.x
 * 2.2.x 版本适用于 Spring Boot 2.2.x
-
+* 2021.x 版本适用于 Spring Boot 2.4.x
 
 ## 社区交流
 
diff --git a/README.md b/README.md
index df9a1d1aa..559683cfe 100644
--- a/README.md
+++ b/README.md
@@ -51,22 +51,23 @@ For more features, please refer to [Roadmap](https://github.com/alibaba/spring-c
 For more features please refer to [Roadmap](https://github.com/alibaba/spring-cloud-alibaba/blob/master/Roadmap.md).
 
 ## How to build
-
-* **master branch**: Corresponds to Spring Cloud Greenwich & Spring Boot 2.x. JDK 1.8 or later versions are supported.
-* **finchley branch**: Corresponds to Spring Cloud Finchley & Spring Boot 2.x. JDK 1.8 or later versions are supported.
+* **2020.0 branch**: Corresponds to Spring Cloud 2020 & Spring Boot 2.4.x. JDK 1.8 or later versions are supported.
+* **master branch**: Corresponds to Spring Cloud Hoxton & Spring Boot 2.2.x. JDK 1.8 or later versions are supported.
+* **greenwich branch**: Corresponds to Spring Cloud Greenwich & Spring Boot 2.1.x. JDK 1.8 or later versions are supported.
+* **finchley branch**: Corresponds to Spring Cloud Finchley & Spring Boot 2.0.x. JDK 1.8 or later versions are supported.
 * **1.x branch**: Corresponds to Spring Cloud Edgware & Spring Boot 1.x, JDK 1.7 or later versions are supported.
 
 Spring Cloud uses Maven for most build-related activities, and you should be able to get off the ground quite quickly by cloning the project you are interested in and typing:
-
+```bash
 	./mvnw install
-
+```
 
 ## How to Use
 
 ### Add maven dependency 
 
 These artifacts are available from Maven Central and Spring Release repository via BOM:
-
+```xml
 	<dependencyManagement>
         <dependencies>
             <dependency>
@@ -78,7 +79,7 @@ These artifacts are available from Maven Central and Spring Release repository v
             </dependency>
         </dependencies>
     </dependencyManagement>
-
+```
 add the module in  `dependencies`.
 
 
@@ -118,6 +119,7 @@ As the interfaces and annotations of Spring Boot 1 and Spring Boot 2 have been c
 * 2.0.x for Spring Boot 2.0.x
 * 2.1.x for Spring Boot 2.1.x
 * 2.2.x for Spring Boot 2.2.x
+* 2020.x for Spring Boot 2.4.x
 
 ## Code of Conduct
 This project is a sub-project of Spring Cloud, it adheres to the Contributor Covenant [code of conduct](https://github.com/spring-cloud/spring-cloud-build/blob/master/docs/src/main/asciidoc/code-of-conduct.adoc). By participating, you are expected to uphold this code. Please report unacceptable behavior to spring-code-of-conduct@pivotal.io.