diff --git a/README.md b/README.md
index 3c9fda4c2a3700abc881acf17e12b437c2d32c3d..cbb4a483ba71433dd72715c281da1d50f555672b 100644
--- a/README.md
+++ b/README.md
@@ -23,8 +23,12 @@ docker exec -ti rweb /bin/bash
 
 ```
 2 0 * * * "/root/.acme.sh"/acme.sh --cron --home "/root/.acme.sh" > /dev/null
+
 # nginx reload certificate once a month, at 6 AM UTC+8, means 22:00 UTC. 
 0 22 1 * * systemctl restart nginx
+
+# If necessary:
+10 22 1 * * docker restart rmail
 ```
 
 # DO NOT FORGET WRITING DOCKER-START INTO rc.local