diff --git a/README.md b/README.md
index 9faf46f..af72368 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ A push notification server using [Gin](https://github.com/gin-gonic/gin) framewo
 * Support notification queue and multiple workers.
 * Support `/api/stat/app` show notification success and failure counts.
 * Support `/api/config` show your yml config.
+* Support store app stat to [redis](http://redis.io/) or memory.
 
 See the [YAML config example](config/config.yml):