diff --git a/docker-compose.yml b/docker-compose.yml
index fc9c028..1415f61 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -12,7 +12,7 @@ services:
       args:
         JUPYTERHUB_VERSION: latest
     restart: always
-    image: hotwa/jupyterhub
+    image: hotwa/jupyterhub # registry.cn-hangzhou.aliyuncs.com/hotwa/jupyterhub
     container_name: jupyterhub
     networks:
       - jupyterhub-network
@@ -32,7 +32,7 @@ services:
       # All containers will join this network
       DOCKER_NETWORK_NAME: jupyterhub-network
       # JupyterHub will spawn this Notebook image for users
-      DOCKER_NOTEBOOK_IMAGE: hotwa/notebook:latest
+      DOCKER_NOTEBOOK_IMAGE: hotwa/notebook:latest # registry.cn-hangzhou.aliyuncs.com/hotwa/notebook
       # Notebook directory inside user image
       DOCKER_NOTEBOOK_DIR: /home/jovyan/work