diff --git a/backend/kolla/trustme.sh b/backend/kolla/trustme.sh
index 7b7eac20..d2f682a0 100644
--- a/backend/kolla/trustme.sh
+++ b/backend/kolla/trustme.sh
@@ -53,7 +53,7 @@ if [ $? != 0 ]; then
     print_log "delete pub key of $ip from known_hosts failed"
     exit 1
 fi
-sshpass -p $passwd ssh -o StrictHostKeyChecking=no $ip "touch ~/.ssh/authorized_keys"
+sshpass -p $passwd ssh -o StrictHostKeyChecking=no $ip "mkdir -p ~/.ssh && touch ~/.ssh/authorized_keys"
 if [ $? != 0 ]; then
     print_log "ssh $ip to create file authorized_keys failed"
     exit 1
diff --git a/code/daisy/daisy/api/backends/kolla/install.py b/code/daisy/daisy/api/backends/kolla/install.py
index 00c8f341..d9886812 100644
--- a/code/daisy/daisy/api/backends/kolla/install.py
+++ b/code/daisy/daisy/api/backends/kolla/install.py
@@ -340,6 +340,8 @@ class KOLLAInstallTask(Thread):
         with open(self.log_file, "w+") as fp:
             for host in hosts_list:
                 host_ip = host['mgtip']
+                cmd = '/var/lib/daisy/kolla/trustme.sh %s ossdbg1' % host_ip
+                daisy_cmn.subprocess_call(cmd, fp)
                 config_nodes_hosts(host_name_ip_list, host_ip)
                 cmd = 'sshpass -p ossdbg1 ssh -o StrictHostKeyChecking=no %s \
                       "if [ ! -d %s ];then mkdir %s;fi" ' % \