Merge pull request IvorySQL#1137 from jiaoshuntian/update_readme

update README for 5.1 release

Author: gaoxueyu

README.md

@@ -23,13 +23,13 @@ We are committed to abiding by the principles of [open-source ways](https://open
 </br>
 
 ## Installation
-We recommend following our [Quick Start](https://docs.ivorysql.org/en/ivorysql-doc/v5.0/v5.0/3.1#quick-installation) for how to install and running IvorySQL.
+We recommend following our [Quick Start](https://docs.ivorysql.org/en/ivorysql-doc/v5.1/v5.1/3.1#quick-installation) for how to install and running IvorySQL.
 
-Furthermore, for more detailed installation instructions, please refer to the [Installation Docs](https://docs.ivorysql.org/en/ivorysql-doc/v5.0/v5.0/4.1#introduction). We provide four installation methods for IvorySQL, as outlined below:
-- [Yum installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.0/v5.0/4.1#Yum-installation)
-- [Docker installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.0/v5.0/4.1#Docker-installation)
-- [Rpm installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.0/v5.0/4.1#Rpm-installation)
-- [Source code installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.0/v5.0/4.1#Source-code-installation)
+Furthermore, for more detailed installation instructions, please refer to the [Installation Docs](https://docs.ivorysql.org/en/ivorysql-doc/v5.1/v5.1/4.1#introduction). We provide four installation methods for IvorySQL, as outlined below:
+- [Yum installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.1/v5.1/4.1#Yum-installation)
+- [Docker installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.1/v5.1/4.1#Docker-installation)
+- [Rpm installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.1/v5.1/4.1#Rpm-installation)
+- [Source code installation](https://docs.ivorysql.org/en/ivorysql-doc/v5.1/v5.1/4.1#Source-code-installation)
 
 ## Development with Docker
 

README_CN.md

@@ -27,13 +27,13 @@ IvorySQL 项目采用 Apache 2.0 许可协议发布，并鼓励各种形式的
 </br>
 
 ## 安装
-建议参考[快速入门](https://docs.ivorysql.org/cn/ivorysql-doc/v5.0/v5.0/3.1#quick-installation)了解如何安装和运行IvorySQL。
+建议参考[快速入门](https://docs.ivorysql.org/cn/ivorysql-doc/v5.1/v5.1/3.1#quick-installation)了解如何安装和运行IvorySQL。
 
-此外，关于更详细的安装说明，请参阅[安装文档](https://docs.ivorysql.org/cn/ivorysql-doc/v5.0/v5.0/4.1#introduction)。我们提供以下四种 IvorySQL 的安装方法：
-- [Yum 安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.0/v5.0/4.1#yum源安装)
-- [Docker 安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.0/v5.0/4.1#docker安装)
-- [RPM 安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.0/v5.0/4.1#rpm安装)
-- [源代码安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.0/v5.0/4.1#源码安装)
+此外，关于更详细的安装说明，请参阅[安装文档](https://docs.ivorysql.org/cn/ivorysql-doc/v5.1/v5.1/4.1#introduction)。我们提供以下四种 IvorySQL 的安装方法：
+- [Yum 安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.1/v5.1/4.1#yum源安装)
+- [Docker 安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.1/v5.1/4.1#docker安装)
+- [RPM 安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.1/v5.1/4.1#rpm安装)
+- [源代码安装](https://docs.ivorysql.org/cn/ivorysql-doc/v5.1/v5.1/4.1#源码安装)