diff --git a/shell/getgcr.sh b/shell/getgcr.sh
index 1d98b8b..9d75eeb 100644
--- a/shell/getgcr.sh
+++ b/shell/getgcr.sh
@@ -18,7 +18,7 @@ ORANGE_PS3=$'\e[0;33m'
 WHITE='\033[0;37m'
 
 proxy=(
-  "gcr.lework.workers.dev"
+  "gcr.lework.workers.dev/google-containers"
   "registry.aliyuncs.com/google_containers"
   "gcrxio"
 )
@@ -84,7 +84,7 @@ function usage {
     echo
     echo
     echo "Example:"
-    echo "  $0 gcr.io/google_containers/pause-amd64:3.1"
+    echo "  $0 gcr.io/google-containers/pause-amd64:3.1"
     echo "  $0 \"k8s.gcr.io/kube-{apiserver,controller-manager,proxy,scheduler}:v1.14.3\""
     echo "  $0 -i k8s.gcr.io/pause-amd64:3.1"
     echo "  $0 -p registry.aliyuncs.com/google_containers -i k8s.gcr.io/pause-amd64:3.1"
diff --git a/shell/ssh.sh b/shell/ssh.sh
new file mode 100644
index 0000000..2774b6f
--- /dev/null
+++ b/shell/ssh.sh
@@ -0,0 +1,18 @@
+SSH_PASSWORD="r00tme"
+SSH_USER="root"
+SSH_OPTIONS="-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null"
+
+type sshpass || (echo "sshpass is not installed" && exit 1)
+
+ssh_exec() {
+    node=$1
+    shift
+    sshpass -p ${SSH_PASSWORD} ssh ${SSH_OPTIONS} ${SSH_USER}@${node} "$@"
+}
+
+scp_exec() {
+    node=$1
+    src=$2
+    dst=$3
+    sshpass -p ${SSH_PASSWORD} scp ${SSH_OPTIONS} ${2} ${SSH_USER}@${node}:${3}
+}
\ No newline at end of file