diff --git a/README.md b/README.md
index c22c6a1..22d72e5 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ docker rm -f cnblogs \
     && docker run --env ARCHIVIST="$ARCHIVIST" --restart always \
         --volume /etc/localtime:/etc/localtime:ro \
         --cpu-shares 512 --memory 512M --memory-swap 512M \
+        --label=com.centurylinklabs.watchtower.enable=true \
         --detach  --name cnblogs \
         "${_image}"
 ```