diff --git a/infra/docker/deploy-staging-registry.sh b/infra/docker/deploy-staging-registry.sh
index 572fed401..d9f744a8a 100755
--- a/infra/docker/deploy-staging-registry.sh
+++ b/infra/docker/deploy-staging-registry.sh
@@ -174,3 +174,5 @@ echo "API:      http://127.0.0.1:8000"
 echo "Web:      http://127.0.0.1:3001"
 echo "Version:  $IMAGE_TAG"
 docker ps --format "table {{.Names}}\t{{.Status}}" | grep staging
+
+# Watchtower auto-update: 容器加com.centurylinklabs.watchtower.enable=true标签，用:staging tag启动