diff --git a/pkg/keystone/driver/cas/cas.go b/pkg/keystone/driver/cas/cas.go
index 45f0b6fa41..f6d0a702de 100644
--- a/pkg/keystone/driver/cas/cas.go
+++ b/pkg/keystone/driver/cas/cas.go
@@ -162,9 +162,8 @@ func (self *SCASDriver) userTryJoinProject(ctx context.Context, usr *models.SUse
 		domainId = api.DEFAULT_DOMAIN_ID
 	}
 	if len(self.casConfig.CasProjectAttribute) > 0 {
-		casProjName := fetchAttribute(resp, self.casConfig.CasProjectAttribute)
-		if len(casProjName) > 0 {
-			projName := models.NormalizeProjectName(casProjName)
+		projName := fetchAttribute(resp, self.casConfig.CasProjectAttribute)
+		if len(projName) > 0 {
 			targetProject, err = models.ProjectManager.FetchProject("", projName, domainId, "")
 			if err != nil {
 				log.Errorf("fetch project %s fail %s", projName, err)
diff --git a/pkg/keystone/models/domains.go b/pkg/keystone/models/domains.go
index 594c6c45b8..8284d80ebe 100644
--- a/pkg/keystone/models/domains.go
+++ b/pkg/keystone/models/domains.go
@@ -36,7 +36,6 @@ import (
 
 type SDomainManager struct {
 	db.SStandaloneResourceBaseManager
-	db.SDnsNameValidatorManager
 }
 
 var (
@@ -67,8 +66,6 @@ type SDomain struct {
 
 	DomainId string `width:"64" charset:"ascii" default:"default" nullable:"false" index:"true"`
 	ParentId string `width:"64" charset:"ascii"`
-
-	Displayname string `with:"128" charset:"utf8" nullable:"true" list:"domain" update:"domain" create:"domain_optional"`
 }
 
 func (manager *SDomainManager) InitializeData() error {
@@ -225,9 +222,6 @@ func (domain *SDomain) CustomizeCreate(ctx context.Context, userCred mcclient.To
 	// domain.ParentId = api.KeystoneDomainRoot
 	domain.DomainId = api.KeystoneDomainRoot
 	domain.IsDomain = tristate.True
-	if len(domain.Displayname) == 0 {
-		domain.Displayname = domain.Name
-	}
 	return domain.SStandaloneResourceBase.CustomizeCreate(ctx, userCred, ownerId, query, data)
 }
 
@@ -510,7 +504,3 @@ func (manager *SDomainManager) ValidateCreateData(
 
 	return input, nil
 }
-
-func (manager *SDomainManager) ValidateName(name string) error {
-	return manager.SDnsNameValidatorManager.ValidateName(name)
-}
diff --git a/pkg/keystone/models/projects.go b/pkg/keystone/models/projects.go
index 929d5914a8..b2e913bd5d 100644
--- a/pkg/keystone/models/projects.go
+++ b/pkg/keystone/models/projects.go
@@ -41,7 +41,6 @@ import (
 
 type SProjectManager struct {
 	SIdentityBaseResourceManager
-	db.SDnsNameValidatorManager
 }
 
 var ProjectManager *SProjectManager
@@ -80,8 +79,6 @@ type SProject struct {
 	ParentId string `width:"64" charset:"ascii" list:"domain" create:"domain_optional"`
 
 	IsDomain tristate.TriState `default:"false" nullable:"false"`
-
-	Displayname string `with:"128" charset:"utf8" nullable:"true" list:"domain" update:"domain" create:"domain_optional"`
 }
 
 func (manager *SProjectManager) GetContextManagers() [][]db.IModelManager {
@@ -285,9 +282,6 @@ func (manager *SProjectManager) QueryDistinctExtraField(q *sqlchemy.SQuery, fiel
 func (model *SProject) CustomizeCreate(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data jsonutils.JSONObject) error {
 	model.ParentId = ownerId.GetProjectDomainId()
 	model.IsDomain = tristate.False
-	if len(model.Displayname) == 0 {
-		model.Displayname = model.Name
-	}
 	return model.SIdentityBaseResource.CustomizeCreate(ctx, userCred, ownerId, query, data)
 }
 
@@ -627,13 +621,12 @@ func (project *SProject) GetUsages() []db.IUsage {
 	}
 }
 
-func (manager *SProjectManager) NewProject(ctx context.Context, name string, desc string, domainId string) (*SProject, error) {
+func (manager *SProjectManager) NewProject(ctx context.Context, projectName string, desc string, domainId string) (*SProject, error) {
 	lockman.LockClass(ctx, manager, domainId)
 	defer lockman.ReleaseClass(ctx, manager, domainId)
 
 	project := &SProject{}
 	project.SetModelManager(ProjectManager, project)
-	projectName := NormalizeProjectName(name)
 	ownerId := &db.SOwnerId{}
 	if manager.NamespaceScope() == rbacutils.ScopeDomain {
 		ownerId.DomainId = domainId