diff --git a/server/ldap-admin/internal/logic/updateldaporganizationlogic.go b/server/ldap-admin/internal/logic/updateldaporganizationlogic.go
index 48c8c43a..44cd16ff 100644
--- a/server/ldap-admin/internal/logic/updateldaporganizationlogic.go
+++ b/server/ldap-admin/internal/logic/updateldaporganizationlogic.go
@@ -42,7 +42,6 @@ func (l *UpdateLdapOrganizationLogic) UpdateLdapOrganization(req *types.UpdateLd
 	}
 	ldapServer := ldap_lib.NewLdap(l.svcCtx.Ldap, l.svcCtx.Config.Ldap.BaseDN, l.svcCtx.Config.Ldap.RootDN)
 	if err := ldapServer.Update(req.OrganizationDN, map[string][]string{
-		"cn":               {req.BusinessCategory},
 		"businessCategory": {req.BusinessCategory},
 	}); err != nil {
 		logx.Error(err)