diff --git a/java-chassis-reference/en_US/introduction.md b/java-chassis-reference/en_US/introduction.md
index 8998315e..4d42aee9 100644
--- a/java-chassis-reference/en_US/introduction.md
+++ b/java-chassis-reference/en_US/introduction.md
@@ -4,3 +4,11 @@ Apache ServiceComb Java Chassis provides developers with a Java SDK to quickly b
 * Multiple development styles, REST (JAX-RS, Spring MVC) and RPC
 * Multiple communication protocols, HTTP over Vert.x, Http Over Servlet, Highway, etc.
 * Uniform service providers, service consumer handler, and contract-based out-of-the-box service governance capabilities
+
+For other versions, please check the following table.
+
+| version | link |
+| :--- | :--- |
+| lastest(2.0.0) | [中文](https://docs.servicecomb.io/java-chassis/zh_CN/), [English](https://docs.servicecomb.io/java-chassis/en_US/)|
+| 1.3.0 | [中文](https://docs.servicecomb.io/java-chassis/1.x/zh_CN/), [English](https://docs.servicecomb.io/java-chassis/1.x/en_US/)|
+| 1.2.1 | [中文](https://docs.servicecomb.io/java-chassis/1.x/zh_CN/), [English](https://docs.servicecomb.io/java-chassis/1.x/en_US/)|
\ No newline at end of file
diff --git a/java-chassis-reference/zh_CN/introduction.md b/java-chassis-reference/zh_CN/introduction.md
index 91664b19..b8ee729e 100644
--- a/java-chassis-reference/zh_CN/introduction.md
+++ b/java-chassis-reference/zh_CN/introduction.md
@@ -6,3 +6,11 @@ Apache ServiceComb Java Chassis 给开发者提供一个快速构建微服务的
 * 统一一致的服务提供者、服务消费者处理链，以及基于契约的开箱即用的服务治理能力
 
 开发者可以通过[Apache ServiceComb 的开放性设计](http://servicecomb.apache.org/cn/docs/open-design/)了解更多特性和设计原理。
+
+开发者可以通过下面的链接获取其他版本的帮助文档。
+
+| 版本| 链接 |
+| :--- | :--- |
+| lastest(2.0.0) | [中文](https://docs.servicecomb.io/java-chassis/zh_CN/), [English](https://docs.servicecomb.io/java-chassis/en_US/)|
+| 1.3.0 | [中文](https://docs.servicecomb.io/java-chassis/1.x/zh_CN/), [English](https://docs.servicecomb.io/java-chassis/1.x/en_US/)|
+| 1.2.1 | [中文](https://docs.servicecomb.io/java-chassis/1.x/zh_CN/), [English](https://docs.servicecomb.io/java-chassis/1.x/en_US/)|
\ No newline at end of file
diff --git a/scripts/travis.sh b/scripts/travis.sh
index b8f70239..c15da15d 100644
--- a/scripts/travis.sh
+++ b/scripts/travis.sh
@@ -34,7 +34,7 @@ if [ "$1" == "script" ]; then
     rm -r servicecomb-java-chassis-doc/docs/saga/*
     rm -r servicecomb-java-chassis-doc/docs/service-center/*
     cp -r docs/ servicecomb-java-chassis-doc/
-    cp -r servicecomb-java-chassis-doc/temp/1.x docs/servicecomb-java-chassis-doc/java-chassis
+    cp -r servicecomb-java-chassis-doc/temp/1.x servicecomb-java-chassis-doc/java-chassis
     rm -r servicecomb-java-chassis-doc/temp
   elif [ "$TRAVIS_BRANCH" == "java-chassis-1.x" ]; then
     rm -r servicecomb-java-chassis-doc/docs/java-chassis/1.x/*