Update README.md

Author: lewis liu

README.md

@@ -13,7 +13,8 @@
 
 [react+redux教程（七）自定义redux中间件](http://www.cnblogs.com/lewis617/p/5177852.html)
 
-连载中……
+[react+redux教程（八）连接数据库的redux程序](http://www.cnblogs.com/lewis617/p/5180097.html)
+
 ## React+Reflux教程
 [react+reflux入门教程](http://www.cnblogs.com/lewis617/p/5129609.html)