diff --git a/README.md b/README.md
index 3b02825..dab9167 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ FOCS docker images used by [act_runner](https://gitea.com/gitea/act_runner) to r
 
 Check <https://gitea.com/gitea/runner-images> for information about base images.
 
+Actions for this branch will build and push `focs.ji.sjtu.edu.cn:5000/gitea/runner-images:focs-ubuntu-latest-slim` image.
+
 ## Quick Start
 
 1. Put `joj3` into `/bin` or run `make prepare`