diff --git a/kerberos/client/krb5.conf b/kerberos/client/krb5.conf
index e6248e0..95071ff 100644
--- a/kerberos/client/krb5.conf
+++ b/kerberos/client/krb5.conf
@@ -4,7 +4,7 @@ kdc = FILE:/var/log/krb5kdc.log
 admin_server = FILE:/var/log/kadmind.log
 
 [libdefaults]
-default_realm = HADOOP.COM
+default_realm = TEST.COM
 dns_lookup_realm = false
 dns_lookup_kdc = false
 ticket_lifetime = 24h
@@ -12,7 +12,7 @@ renew_lifetime = 7d
 forwardable = true
 
 [realms]
-HADOOP.COM = {
+TEST.COM = {
   kdc = krb5-kdc-server:88
   admin_server = krb5-kdc-server
 }
diff --git a/kerberos/server/kadm5.acl b/kerberos/server/kadm5.acl
index 3673218..e712aa5 100644
--- a/kerberos/server/kadm5.acl
+++ b/kerberos/server/kadm5.acl
@@ -1 +1 @@
-*/admin@HADOOP.COM    *
+*/admin@TEST.COM    *
diff --git a/kerberos/server/krb5.conf b/kerberos/server/krb5.conf
index be08703..2067290 100644
--- a/kerberos/server/krb5.conf
+++ b/kerberos/server/krb5.conf
@@ -3,7 +3,7 @@ kdc_ports = 88
 kdc_tcp_ports = 88
 
 [realms]
-HADOOP.COM = {
+TEST.COM = {
   #master_key_type = aes256-cts
   acl_file = /etc/krb5kdc/kadm5.acl
   dict_file = /usr/share/dict/words
diff --git a/kerberos/start.sh b/kerberos/start.sh
index ad5e3fe..4d9374e 100755
--- a/kerberos/start.sh
+++ b/kerberos/start.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
-FQDN="hadoop.com"
+FQDN="test.com"
 ADMIN="admin"
-PASS="airflow"
+PASS="Admin12!"
 
 KRB5_KTNAME=/etc/admin.keytab
 
@@ -10,21 +10,31 @@ cat /etc/hosts
 
 echo "hostname: ${FQDN}"
 
-# create kerberos database
-echo -e "${PASS}\n${PASS}" | kdb5_util create -s
+inited="/app/inited"
 
-# create admin
-echo -e "${PASS}\n${PASS}" | kadmin.local -q "addprinc ${ADMIN}/admin"
+function init_user() {
+	if [ -f "${inited}" ];then
+		echo "user inited"
+		return;
+	fi
+	echo "begin init user"
+	# create kerberos database
+	echo -e "${PASS}\n${PASS}" | kdb5_util create -s
+	# create admin
+	echo -e "${PASS}\n${PASS}" | kadmin.local -q "addprinc ${ADMIN}/admin"
+	# create hadoop
+	echo -e "${PASS}\n${PASS}" | kadmin.local -q "addprinc hadoop"
+	echo -e "${PASS}\n${PASS}" | kadmin.local -q "addprinc  hadoop/${FQDN}"
+	kadmin.local -q "ktadd -norandkey -k ${KRB5_KTNAME} hadoop"
+	kadmin.local -q "ktadd -norandkey -k ${KRB5_KTNAME} hadoop/${FQDN}"
+	kadmin.local -q "xst -k /app/hadoop.keytab -norandkey hadoop/${FQDN}"
+	touch "${inited}"
+	echo "user inite success"
+}
 
-# create airflow
-echo -e "${PASS}\n${PASS}" | kadmin.local -q "addprinc -randkey airflow"
-
-echo -e "${PASS}\n${PASS}" | kadmin.local -q "addprinc -randkey airflow/${FQDN}"
-
-kadmin.local -q "ktadd -k ${KRB5_KTNAME} airflow"
-
-kadmin.local -q "ktadd -k ${KRB5_KTNAME} airflow/${FQDN}"
-
-
-/usr/local/bin/supervisord -n -c /etc/supervisord.conf
+function main() {
+	init_user
+	/usr/local/bin/supervisord -n -c /etc/supervisord.conf
+}
 
+main