diff --git a/demo-distributed-lock/demo-distributed-lock-redis/README.md b/demo-distributed-lock/demo-distributed-lock-redis/README.md
index f522819..f094c63 100644
--- a/demo-distributed-lock/demo-distributed-lock-redis/README.md
+++ b/demo-distributed-lock/demo-distributed-lock-redis/README.md
@@ -1,6 +1,6 @@
 ## spring-boot-demo-distributed-lock-redis
 
-> 此 demo 主要演示了 Spring Boot 如何基于 RedisTemplate 实现一个分布式锁
+> 此 demo 主要演示了 Spring Boot 如何基于 RedisTemplate 实现一个分布式锁，支持集群部署、支持可重入、支持自动续期等功能
 
 ## 1.开发步骤