Update README.md

README.md

@@ -232,6 +232,7 @@ public class RedisAspect {
 * [Redis学习笔记之基本数据结构](https://blog.csdn.net/u014427391/article/details/82860694)
 * [Redis学习笔记之位图](https://blog.csdn.net/u014427391/article/details/87923407)
 * [Redis学习笔记之延时队列](https://blog.csdn.net/u014427391/article/details/87905450)
+* [Redis HyperLogLog用法简介](https://smilenicky.blog.csdn.net/article/details/95992173)
 * [Redis学习笔记之分布式锁](https://blog.csdn.net/u014427391/article/details/84934045)
 
 ### Oracle知识