Merge pull request #1575 from daizhenyu/develop-2.0.x

Update Sermant 2.0.0 version link info

README-zh.md

@@ -44,8 +44,8 @@ Sermant中的JavaAgent广泛采用类隔离技术，以消除框架代码、插
 
 ### 准备工作
 
-- [下载](https://github.com/sermant-io/Sermant/releases/download/v1.4.0/sermant-1.4.0.tar.gz) Sermant Release包（当前版本推荐1.4.0）
-- [下载](https://github.com/sermant-io/Sermant-examples/releases/download/v1.4.0/sermant-examples-flowcontrol-demo-1.4.0.tar.gz) Demo二进制产物压缩包
+- [下载](https://github.com/sermant-io/Sermant/releases/download/v2.0.0/sermant-2.0.0.tar.gz) Sermant Release包（当前版本推荐2.0.0）
+- [下载](https://github.com/sermant-io/Sermant-examples/releases/download/v2.0.0/sermant-examples-flowcontrol-demo-2.0.0.tar.gz) Demo二进制产物压缩包
 - [下载](https://zookeeper.apache.org/releases#download) 并启动zookeeper
 
 ### 获取Demo二进制产物

README.md

@@ -44,8 +44,8 @@ Below is a simple demo that guides new users to use Sermant in just 4 steps.
 
 ### Preparation
 
-- [Download](https://github.com/sermant-io/Sermant/releases/download/v1.4.0/sermant-1.4.0.tar.gz) Sermant Release package (The current version recommended is 1.4.0)
-- [Download](https://github.com/sermant-io/Sermant-examples/releases/download/v1.4.0/sermant-examples-flowcontrol-demo-1.4.0.tar.gz) Demo binary product compression package
+- [Download](https://github.com/sermant-io/Sermant/releases/download/v2.0.0/sermant-2.0.0.tar.gz) Sermant Release package (The current version recommended is 2.0.0)
+- [Download](https://github.com/sermant-io/Sermant-examples/releases/download/v2.0.0/sermant-examples-flowcontrol-demo-2.0.0.tar.gz) Demo binary product compression package
 - [Download](https://zookeeper.apache.org/releases#download) and start zookeeper
 
 ### Obtain Demo binary products