diff --git a/pgadmin/Dockerfile b/pgadmin/Dockerfile
index 7dd96068..5836801f 100644
--- a/pgadmin/Dockerfile
+++ b/pgadmin/Dockerfile
@@ -1,5 +1,10 @@
-FROM chorss/docker-pgadmin4
+FROM fenglc/pgadmin4
 
-MAINTAINER Bo-Yi Wu <appleboy.tw@gmail.com>
+MAINTAINER Huadong Zuo <admin@zuohuadong.cn>
+
+# user: pgadmin4@pgadmin.org
+# password: admin
+# pg_dump in  "/usr/bin"
+# backup in "/var/lib/pgadmin4/data/storage/pgadmin4/"
 
 EXPOSE 5050