diff --git a/DockerEntrypoint.sh b/DockerEntrypoint.sh
index 79779a219..5b2a1372c 100644
--- a/DockerEntrypoint.sh
+++ b/DockerEntrypoint.sh
@@ -69,5 +69,14 @@ EOF
     fail2ban-client -x start
 fi
 
+# Certificate auto-renewal: acme.sh (installed by the panel's SSL menu) relies
+# on a root crontab entry, but the crontab is lost when the container is
+# recreated and crond was never started. Re-register the job and run crond so
+# renewals actually fire; mount /root/.acme.sh as a volume to keep acme state.
+if [ -f /root/.acme.sh/acme.sh ]; then
+    /root/.acme.sh/acme.sh --install-cronjob >/dev/null 2>&1
+    crond
+fi
+
 # Run x-ui
 exec /app/x-ui
diff --git a/docker-compose.yml b/docker-compose.yml
index 1081fa598..a4c88c004 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,6 +18,9 @@ services:
     volumes:
       - $PWD/db/:/etc/x-ui/
       - $PWD/cert/:/root/cert/
+      # Persists acme.sh state so certificate auto-renewal survives container
+      # recreation (the entrypoint re-registers the renewal cron job from it).
+      - $PWD/acme/:/root/.acme.sh/
     environment:
       XRAY_VMESS_AEAD_FORCED: "false"
       XUI_ENABLE_FAIL2BAN: "true"