diff --git a/README.md b/README.md
index 7f0032d..42c310d 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ TODO
 2. [HBase系统架构及数据结构](https://github.com/heibaiying/BigData-Notes/blob/master/notes/Hbase%E7%B3%BB%E7%BB%9F%E6%9E%B6%E6%9E%84%E5%8F%8A%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84.md)
 3. [HBase基本环境搭建（Standalone /pseudo-distributed mode）](https://github.com/heibaiying/BigData-Notes/blob/master/notes/installation/Hbase%E5%9F%BA%E6%9C%AC%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md)
 4. [HBase常用Shell命令](https://github.com/heibaiying/BigData-Notes/blob/master/notes/Hbase%20Shell.md)
-5. HBase Java API
+5. [HBase Java API](https://github.com/heibaiying/BigData-Notes/blob/master/notes/Hbase%20Java%20API.md)
 6. Hbase 过滤器
 7. [HBase 协处理器](https://github.com/heibaiying/BigData-Notes/blob/master/notes/Hbase协处理器.md)
 8. [HBase 容灾与备份](https://github.com/heibaiying/BigData-Notes/blob/master/notes/Hbase%E5%AE%B9%E7%81%BE%E4%B8%8E%E5%A4%87%E4%BB%BD.md)