diff --git a/src/common/backend/libpq/kerberos/kdc.conf b/src/common/backend/libpq/kerberos/kdc.conf
index 4eccd9195..21b17e4aa 100644
--- a/src/common/backend/libpq/kerberos/kdc.conf
+++ b/src/common/backend/libpq/kerberos/kdc.conf
@@ -4,7 +4,7 @@ kdc_ports = #kdc_ip#:#kdc_ports#
 kdc_tcp_ports = ""
  
 [libdefaults]
-default_realm = HUAWEI.COM
+default_realm = OPENGAUSS.ORG
 kdc_timeout = 2500
 clockskew = 300
 use_dns_lookup = 0
@@ -20,18 +20,18 @@ allow_extend_version = false
 default_ccache_name = FILE:/tmp//krb5cc_%{uid}
  
 [realms]
-HUAWEI.COM = {
+OPENGAUSS.ORG = {
 kdc = #kdc_ip#:#kdc_ports#
 renewable = false
 forwardable = false
 renew_lifetime = 0m
 max_renewable_life = 30m
 acl_file = #krb_conf#/kadm5.acl
-key_stash_file = #krb_conf#/.k5.HUAWEI.COM
+key_stash_file = #krb_conf#/.k5.OPENGAUSS.ORG
 }
  
 [domain_realm]
-.huawei.com = HUAWEI.COM
+.opengauss.org = OPENGAUSS.ORG
  
 [logging]
 kdc = FILE:#GAUSSHOME#/kerberos/krb5kdc.log
@@ -39,6 +39,6 @@ default = SYSLOG:NOTICE:DAEMON
 
 [dbmodules]
 db_module_dir = #KRB_HOME#/lib/krb5/plugins/kdb
-HUAWEI.COM = {
+OPENGAUSS.ORG = {
 database_name = #KRB_HOME#/var/krb5kdc/principal
 }
diff --git a/src/common/backend/libpq/kerberos/krb5.conf b/src/common/backend/libpq/kerberos/krb5.conf
index 50445224b..98b5d70a2 100644
--- a/src/common/backend/libpq/kerberos/krb5.conf
+++ b/src/common/backend/libpq/kerberos/krb5.conf
@@ -4,7 +4,7 @@ kdc_ports = #kdc_ip#:#kdc_ports#
 kdc_tcp_ports = ""
  
 [libdefaults]
-default_realm = HUAWEI.COM
+default_realm = OPENGAUSS.ORG
 kdc_timeout = 2500
 clockskew = 300
 use_dns_lookup = 0
@@ -20,7 +20,7 @@ allow_extend_version = false
 default_ccache_name = FILE:/tmp//krb5cc_%{uid}
  
 [realms]
-HUAWEI.COM = {
+OPENGAUSS.ORG = {
 kdc = #kdc_ip#:#kdc_ports#
 supported_enctypes = aes256-cts-hmac-sha384-192:special aes128-cts-hmac-sha256-128:special
 renewable = false
@@ -28,12 +28,12 @@ forwardable = falses
 renew_lifetime = 0m
 max_renewable_life = 30m
 acl_file = #krb_conf#/kadm5.acl  
-key_stash_file = #krb_conf#/.k5.HUAWEI.COM
+key_stash_file = #krb_conf#/.k5.OPENGAUSS.ORG
 }
  
 [domain_realm]
-.huawei.com = HUAWEI.COM
+.opengauss.org = OPENGAUSS.ORG
  
 [logging]
 kdc = FILE:#GAUSSHOME#/kerberos/krb5kdc.log
-default = SYSLOG:NOTICE:DAEMON
+default = SYSLOG:NOTICE:DAEMON
\ No newline at end of file