diff --git a/README.md b/README.md
index affec36..3732146 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@
 [![docker](https://img.shields.io/docker/pulls/log1997/log-lottery)](<https://hub.docker.com/r/log1997/log-lottery>)
 [![github downloads](https://img.shields.io/github/downloads/log1997/log-lottery/total)](https://github.com/LOG1997/log-lottery/releases)
 [![release data](https://img.shields.io/github/release-date/log1997/log-lottery)](https://github.com/LOG1997/log-lottery/releases)
+[![last commit](https://img.shields.io/github/last-commit/log1997/log-lottery/dev)](https://github.com/LOG1997/log-lottery/commits/dev/)
 </div>
 
 log-lottery是一个可配置可定制化的抽奖应用，炫酷3D球体，可用于年会抽奖等活动，支持奖品、人员、界面、图片音乐配置。