diff --git a/contact-center/Dockerfile b/contact-center/Dockerfile
index 16410c0f..d23c49c7 100644
--- a/contact-center/Dockerfile
+++ b/contact-center/Dockerfile
@@ -1,6 +1,11 @@
 FROM chatopera/java:1.0.0
 MAINTAINER Hai Liang Wang <hain@chatopera.com>
 
+ARG VCS_REF
+
+LABEL org.label-schema.vcs-ref=$VCS_REF \
+          org.label-schema.vcs-url="https://github.com/chatopera/cosin"
+
 # Set timezone
 RUN apt-get update && \
    apt-get install --no-install-recommends -y tzdata && \ 
diff --git a/contact-center/admin/build.sh b/contact-center/admin/build.sh
index 18a63960..981e8681 100755
--- a/contact-center/admin/build.sh
+++ b/contact-center/admin/build.sh
@@ -13,8 +13,7 @@ PACKAGE_VERSION=1.0.0
 
 # main 
 [ -z "${BASH_SOURCE[0]}" -o "${BASH_SOURCE[0]}" = "$0" ] || return
-cd $appHome
-
 set -x
-docker build --force-rm=true --tag $imagename:$PACKAGE_VERSION .
+cd $appHome
+docker build --build-arg VCS_REF=`git rev-parse --short HEAD` --force-rm=true --tag $imagename:$PACKAGE_VERSION .
 docker tag $imagename:$PACKAGE_VERSION $imagename:develop