diff --git a/ucloud-init.start b/ucloud-init.start
index 6c4918e..5439b40 100755
--- a/ucloud-init.start
+++ b/ucloud-init.start
@@ -40,6 +40,8 @@ rdnssd -u root -r /etc/resolv.conf
 if [[ $(get_distro) = "alpine" ]]; then
 	apk update
 	apk add openssh-server sfdisk util-linux jq
+	
+	mkdir -p $(dirname $ssh_authorized_keys_path)
 	touch $ssh_authorized_keys_path
 
 	if ! grep -q "PasswordAuthentication no" $sshd_config_path; then