**源码环境说明:
OS:Ubuntu16.04.6,IDE:Intellij IDEA,JDK8,Scala 2.11.8,
**
References:
[1]:https://blog.csdn.net/u012707739/article/details/78489833
[2]: https://kafka.apache.org/22/documentation/streams/quickstart#quickstart_streams_prepare
[3]: http://www.javashuo.com/article/p-wbzznfar-m.html