Update README.md

Author: jialechan

README.md

@@ -1,4 +1,6 @@
 # jtool-mysql 
-[![Build Status](https://travis-ci.org/JavaServerGroup/jtool-mysql.svg?branch=master)](https://travis-ci.org/JavaServerGroup/jtool-mysql)[![Coverage Status](https://coveralls.io/repos/JavaServerGroup/jtool-mysql/badge.svg?branch=master)](https://coveralls.io/r/JavaServerGroup/jtool-mysql?branch=master)
+[![Build Status](https://travis-ci.org/JavaServerGroup/jtool-mysql.svg?branch=master)](https://travis-ci.org/JavaServerGroup/jtool-mysql)[![Coverage Status](https://coveralls.io/repos/JavaServerGroup/jtool-mysql/badge.svg?branch=master)](https://coveralls.io/r/JavaServerGroup/jtool-mysql?branch=master)  
+
+由于本实现的方法实在太low，所以已经不再更新维护了，请查看新的项目：[jtool-mysql2](https://github.com/JavaServerGroup/jtool-mysql2)
 
 在spring-jdbc上做的简单封装