diff --git a/backend/kolla/prepare.sh b/backend/kolla/prepare.sh
index b0144674..eac658d4 100755
--- a/backend/kolla/prepare.sh
+++ b/backend/kolla/prepare.sh
@@ -13,6 +13,7 @@ yum -y install epel-release
 #curl -sSL https://get.docker.io | bash
 yum remove -y docker-engine
 yum install -y https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-17.05.0.ce-1.el7.centos.x86_64.rpm
+[ "$?" -ne 0 ] && { exit 1; }
 mkdir -p /etc/systemd/system/docker.service.d
 config_path=/etc/systemd/system/docker.service.d/kolla.conf
 touch /etc/sysconfig/docker
diff --git a/tools/setup/install/install_func.sh b/tools/setup/install/install_func.sh
index eedb1d3e..2be2be58 100755
--- a/tools/setup/install/install_func.sh
+++ b/tools/setup/install/install_func.sh
@@ -62,6 +62,7 @@ function ip_to_cidr()
 function kolla_install
 {
   write_install_log "Begin install kolla depends..."
+
   check_installed "docker-engine"
   if [[ "$has_installed" == "yes" ]];then
       echo "docker-engine has been already installed"
@@ -70,6 +71,8 @@ function kolla_install
       yum remove -y docker-engine
       yum install -y https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-17.05.0.ce-1.el7.centos.x86_64.rpm
   fi
+  [ "$?" -ne 0 ] && { write_install_log "Install docker-engine failed"; exit 1; }
+
   mkdir -p /etc/systemd/system/docker.service.d
   config_path=/etc/systemd/system/docker.service.d/kolla.conf
   echo -e "[Service]\nMountFlags=shared" > $config_path