README

README.md

@@ -1,17 +1,14 @@
 # Flink Tutorials
 
-## Introduction
-
-https://github.com/luweizheng/flink-tutorials
+[English](https://github.com/luweizheng/flink-tutorials/blob/master/README.md) | [中文](https://github.com/luweizheng/flink-tutorials/blob/master/README_zh.md)
 
-This is a Flink(v1.11) tutorial repo. I will update to latest Flink version in the future.
+## Introduction
 
-You can clone it and learn some basic ideas about Flink. I use Java and Scala to demonstrate how to use Flink. You need to install Intellij Idea and Maven in your local environment.
+This is a tutorial repo based on Flink v1.12.4. You can clone it and learn some basic ideas about Flink. I use Java and Scala to demonstrate how to use Flink. You need to install Intellij Idea and Maven in your local environment.
 
 **Please star this repo** if you find it useful.
 
-I also wrote a book (in Chinese) about Flink. 👉 [jd.com](https://item.jd.com/13154364.html).
-我也写了一本关于Flink的中文书，购买请戳京东链接。👉 [jd.com](https://item.jd.com/13154364.html).
+I also wrote a book (in Chinese) about Flink.
 
 ## Project Structure
 
@@ -31,7 +28,5 @@ I also wrote a book (in Chinese) about Flink. 👉 [jd.com](https://item.jd.com/
 
 ## Contact
 
-* Wechat
-
-![公众号](http://aixingqiu-1258949597.cos.ap-beijing.myqcloud.com/2019-11-20-021810.png)
+Feel free to reach out via [email](mailto:luweizheng36@hotmail.com).
 

README_zh.md

@@ -2,17 +2,13 @@
 
 ## 简介
 
-https://github.com/luweizheng/flink-tutorials
-
-我未来将更新到Flink最新版本。
-
-《Flink原理与实践》已上线各大电商平台，书配合代码，学习效率更高。
-
 麻烦路过的朋友给**点个星星（star）**,也算是对我分享的认可，谢谢了！
 
 ![《Flink原理与实践》](./book.jpeg)
 
-本工程主要使用Java和Scala演示如何使用Flink（v1.11）。用户需要安装Intellij Idea和Maven。
+本工程主要使用Java和Scala演示如何使用Flink（v1.12.4）。用户需要安装Intellij Idea和Maven。我未来将更新到Flink最新版本。
+
+我也写了一本关于Flink的中文书：《Flink原理与实践》，购买请戳👉 [京东链接](https://item.jd.com/13154364.html)。书配合代码，学习效率更高。
 
 我的网站[http://lulaoshi.info/](https://lulaoshi.info/flink/)有对Flink的详细图文教程。