diff --git a/pkg/apis/identity/project.go b/pkg/apis/identity/project.go
index 35eaf2b374..9b716a4774 100644
--- a/pkg/apis/identity/project.go
+++ b/pkg/apis/identity/project.go
@@ -32,6 +32,13 @@ type ProjectDetails struct {
 
 	SProject
 
+	// 项目管理员名称
+	Admin string `json:"admin"`
+	// 项目管理员域ID
+	AdminDomainId string `json:"admin_domain_id"`
+	// 项目管理员域名称
+	AdminDomain string `json:"admin_domain"`
+
 	// 加入项目的用户组数量
 	GroupCount int `json:"group_count"`
 	// 加入项目的用户数量
diff --git a/pkg/keystone/models/assignments.go b/pkg/keystone/models/assignments.go
index c532326916..85fd362183 100644
--- a/pkg/keystone/models/assignments.go
+++ b/pkg/keystone/models/assignments.go
@@ -22,6 +22,7 @@ import (
 	"time"
 
 	"yunion.io/x/jsonutils"
+	"yunion.io/x/log"
 	"yunion.io/x/pkg/errors"
 	"yunion.io/x/pkg/tristate"
 	"yunion.io/x/pkg/util/rbacscope"
@@ -32,6 +33,7 @@ import (
 	"yunion.io/x/onecloud/pkg/appsrv"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db"
 	"yunion.io/x/onecloud/pkg/httperrors"
+	"yunion.io/x/onecloud/pkg/keystone/options"
 	"yunion.io/x/onecloud/pkg/mcclient"
 	"yunion.io/x/onecloud/pkg/mcclient/auth"
 	"yunion.io/x/onecloud/pkg/util/stringutils2"
@@ -238,10 +240,17 @@ func (manager *SAssignmentManager) fetchUserProjectIdsQuery(userId string) *sqlc
 }
 
 func (manager *SAssignmentManager) fetchProjectUserIdsQuery(projId string) *sqlchemy.SQuery {
+	return manager.fetchProjectRoleUserIdsQuery(projId, "")
+}
+
+func (manager *SAssignmentManager) fetchProjectRoleUserIdsQuery(projId, roleId string) *sqlchemy.SQuery {
 	q1 := manager.Query("actor_id")
 	q1 = q1.Equals("type", api.AssignmentUserProject)
 	q1 = q1.Equals("target_id", projId)
 	q1 = q1.IsFalse("inherited")
+	if len(roleId) > 0 {
+		q1 = q1.Equals("role_id", roleId)
+	}
 
 	assigns := AssignmentManager.Query().SubQuery()
 	usergroups := UsergroupManager.Query().SubQuery()
@@ -253,6 +262,9 @@ func (manager *SAssignmentManager) fetchProjectUserIdsQuery(projId string) *sqlc
 	q2 = q2.Filter(sqlchemy.Equals(assigns.Field("type"), api.AssignmentGroupProject))
 	q2 = q2.Filter(sqlchemy.Equals(assigns.Field("target_id"), projId))
 	q2 = q2.Filter(sqlchemy.IsFalse(assigns.Field("inherited")))
+	if len(roleId) > 0 {
+		q2 = q2.Equals("role_id", roleId)
+	}
 
 	union := sqlchemy.Union(q1, q2)
 	return union.Query().Distinct()
@@ -344,9 +356,33 @@ func (manager *SAssignmentManager) ProjectAddUser(ctx context.Context, userCred
 	}
 	db.OpsLog.LogEvent(user, db.ACT_ATTACH, project.GetShortDesc(ctx), userCred)
 	db.OpsLog.LogEvent(project, db.ACT_ATTACH, user.GetShortDesc(ctx), userCred)
+	if len(project.AdminId) == 0 && role.Name == options.Options.ProjectAdminRole {
+		err := project.resetAdminUser()
+		if err != nil {
+			log.Errorf("rsetAdminUser fail: %s", err)
+		}
+	}
 	return nil
 }
 
+func (assign *SAssignment) getRole() (*SRole, error) {
+	return RoleManager.FetchRoleById(assign.RoleId)
+}
+
+func (assign *SAssignment) getProject() (*SProject, error) {
+	if assign.Type == api.AssignmentUserProject || assign.Type == api.AssignmentGroupProject {
+		return ProjectManager.FetchProjectById(assign.TargetId)
+	}
+	return nil, nil
+}
+
+func (assign *SAssignment) getDomain() (*SDomain, error) {
+	if assign.Type == api.AssignmentUserDomain || assign.Type == api.AssignmentGroupDomain {
+		return DomainManager.FetchDomainById(assign.TargetId)
+	}
+	return nil, nil
+}
+
 func (manager *SAssignmentManager) batchRemove(actorId string, typeStrs []string) error {
 	q := manager.Query()
 	q = q.In("type", typeStrs)
@@ -365,6 +401,17 @@ func (manager *SAssignmentManager) batchRemove(actorId string, typeStrs []string
 		if err != nil {
 			return errors.Wrap(err, "db.Update")
 		}
+		// clear project admin Id
+		role, _ := assigns[i].getRole()
+		if role.Name == options.Options.ProjectAdminRole {
+			project, _ := assigns[i].getProject()
+			if project != nil && project.AdminId == actorId {
+				err := project.resetAdminUser()
+				if err != nil {
+					log.Errorf("batchRemove project resetAdminUser fail %s", err)
+				}
+			}
+		}
 	}
 	return nil
 }
@@ -419,6 +466,12 @@ func (manager *SAssignmentManager) projectRemoveUser(ctx context.Context, userCr
 	}
 	db.OpsLog.LogEvent(user, db.ACT_DETACH, project.GetShortDesc(ctx), userCred)
 	db.OpsLog.LogEvent(project, db.ACT_DETACH, user.GetShortDesc(ctx), userCred)
+	if project.AdminId == user.Id && role.Name == options.Options.ProjectAdminRole {
+		err := project.resetAdminUser()
+		if err != nil {
+			log.Errorf("resetAdminUser fail %s", err)
+		}
+	}
 	return nil
 }
 
@@ -452,6 +505,12 @@ func (manager *SAssignmentManager) projectAddGroup(ctx context.Context, userCred
 	}
 	db.OpsLog.LogEvent(group, db.ACT_ATTACH, project.GetShortDesc(ctx), userCred)
 	db.OpsLog.LogEvent(project, db.ACT_ATTACH, group.GetShortDesc(ctx), userCred)
+	if len(project.AdminId) == 0 && role.Name == options.Options.ProjectAdminRole {
+		err := project.resetAdminUser()
+		if err != nil {
+			log.Errorf("rsetAdminUser fail: %s", err)
+		}
+	}
 	return nil
 }
 
@@ -474,6 +533,12 @@ func (manager *SAssignmentManager) projectRemoveGroup(ctx context.Context, userC
 	}
 	db.OpsLog.LogEvent(group, db.ACT_DETACH, project.GetShortDesc(ctx), userCred)
 	db.OpsLog.LogEvent(project, db.ACT_DETACH, group.GetShortDesc(ctx), userCred)
+	if len(project.AdminId) > 0 && role.Name == options.Options.ProjectAdminRole {
+		err := project.resetAdminUser()
+		if err != nil {
+			log.Errorf("rsetAdminUser fail: %s", err)
+		}
+	}
 	return nil
 }
 
diff --git a/pkg/keystone/models/domains.go b/pkg/keystone/models/domains.go
index 9f1f0a65b6..c9b45de9bb 100644
--- a/pkg/keystone/models/domains.go
+++ b/pkg/keystone/models/domains.go
@@ -71,6 +71,8 @@ type SDomain struct {
 
 	DomainId string `width:"64" charset:"ascii" default:"default" nullable:"false" index:"true"`
 	ParentId string `width:"64" charset:"ascii"`
+
+	AdminId string `width:"64" charset:"ascii" nullable:"true"`
 }
 
 func (manager *SDomainManager) InitializeData() error {
@@ -110,9 +112,29 @@ func (manager *SDomainManager) InitializeData() error {
 	} else if err != nil {
 		return err
 	}
+	/*err = manager.initAdminUsers(context.TODO())
+	if err != nil {
+		return errors.Wrap(err, "initAdminUsers")
+	}*/
 	return nil
 }
 
+/*func (manager *SDomainManager) initAdminUsers(ctx context.Context) error {
+	q := manager.Query().IsNullOrEmpty("admin_id")
+	domains := make([]SDomain, 0)
+	err := db.FetchModelObjects(manager, q, &domains)
+	if err != nil {
+		return errors.Wrap(err, "FetchModelObjects")
+	}
+	for i := range domains {
+		err := domains[i].initAdminUser(ctx)
+		if err != nil {
+			return errors.Wrap(err, "domains initAdmin")
+		}
+	}
+	return nil
+}*/
+
 func (manager *SDomainManager) Query(fields ...string) *sqlchemy.SQuery {
 	return manager.SStandaloneResourceBaseManager.Query(fields...).IsTrue("is_domain")
 }
diff --git a/pkg/keystone/models/projects.go b/pkg/keystone/models/projects.go
index 88ad591f17..3a295ee9b3 100644
--- a/pkg/keystone/models/projects.go
+++ b/pkg/keystone/models/projects.go
@@ -82,6 +82,8 @@ type SProject struct {
 
 	// 该项目是否为域（domain）
 	IsDomain tristate.TriState `default:"false"`
+
+	AdminId string `width:"64" charset:"ascii" nullable:"true" list:"domain"`
 }
 
 func (manager *SProjectManager) GetContextManagers() [][]db.IModelManager {
@@ -92,7 +94,16 @@ func (manager *SProjectManager) GetContextManagers() [][]db.IModelManager {
 }
 
 func (manager *SProjectManager) InitializeData() error {
-	return manager.initSysProject(context.TODO())
+	ctx := context.TODO()
+	err := manager.initSysProject(ctx)
+	if err != nil {
+		return errors.Wrap(err, "initSysProject")
+	}
+	err = manager.initAdminUsers(ctx)
+	if err != nil {
+		return errors.Wrap(err, "initAdminUsers")
+	}
+	return nil
 }
 
 func (manager *SProjectManager) initSysProject(ctx context.Context) error {
@@ -126,6 +137,45 @@ func (manager *SProjectManager) initSysProject(ctx context.Context) error {
 	return nil
 }
 
+func (manager *SProjectManager) initAdminUsers(ctx context.Context) error {
+	q := manager.Query().IsNullOrEmpty("admin_id")
+	projects := make([]SProject, 0)
+	err := db.FetchModelObjects(manager, q, &projects)
+	if err != nil {
+		return errors.Wrap(err, "FetchModelObjects")
+	}
+	for i := range projects {
+		err := projects[i].resetAdminUser()
+		if err != nil {
+			return errors.Wrap(err, "projects initAdmin")
+		}
+	}
+	return nil
+}
+
+func (project *SProject) resetAdminUser() error {
+	role, err := RoleManager.FetchRoleByName(options.Options.ProjectAdminRole, "", "")
+	if err != nil {
+		return errors.Wrapf(err, "FetchRoleByName %s", options.Options.ProjectAdminRole)
+	}
+	q := AssignmentManager.fetchProjectRoleUserIdsQuery(project.Id, role.Id)
+	userId := struct {
+		ActorId string
+	}{}
+	err = q.First(&userId)
+	if err != nil && errors.Cause(err) != sql.ErrNoRows {
+		return errors.Wrap(err, "query")
+	}
+	_, err = db.Update(project, func() error {
+		project.AdminId = userId.ActorId
+		return nil
+	})
+	if err != nil {
+		return errors.Wrap(err, "update")
+	}
+	return nil
+}
+
 func (manager *SProjectManager) Query(fields ...string) *sqlchemy.SQuery {
 	return manager.SIdentityBaseResourceManager.Query(fields...).IsFalse("is_domain")
 }
@@ -384,12 +434,16 @@ func (manager *SProjectManager) FetchCustomizeColumns(
 
 	identRows := manager.SIdentityBaseResourceManager.FetchCustomizeColumns(ctx, userCred, query, objs, fields, isList)
 	projIds := make([]string, len(objs))
+	adminUserIds := make([]string, 0)
 	for i := range rows {
 		rows[i] = api.ProjectDetails{
 			IdentityBaseResourceDetails: identRows[i],
 		}
 		proj := objs[i].(*SProject)
 		projIds[i] = proj.Id
+		if len(proj.AdminId) > 0 {
+			adminUserIds = append(adminUserIds, proj.AdminId)
+		}
 	}
 
 	extResource, extLastUpdate, err := ScopeResourceManager.FetchProjectsScopeResources(projIds)
@@ -401,6 +455,13 @@ func (manager *SProjectManager) FetchCustomizeColumns(
 	if err != nil {
 		return rows
 	}
+
+	userMaps := make(map[string]SUser)
+	err = db.FetchModelObjectsByIds(UserManager, "id", adminUserIds, &userMaps)
+	if err != nil {
+		log.Errorf("FetchModelObjectsByIds fail %s", err)
+	}
+
 	for i := range rows {
 		groups, _ := groupCnt[projIds[i]]
 		users, _ := userCnt[projIds[i]]
@@ -416,7 +477,14 @@ func (manager *SProjectManager) FetchCustomizeColumns(
 			nextUpdate := rows[i].ExtResourcesLastUpdate.Add(time.Duration(options.Options.FetchScopeResourceCountIntervalSeconds) * time.Second)
 			rows[i].ExtResourcesNextUpdate = nextUpdate
 		}
-
+		proj := objs[i].(*SProject)
+		if len(proj.AdminId) > 0 {
+			if user, ok := userMaps[proj.AdminId]; ok {
+				rows[i].Admin = user.Name
+				rows[i].AdminDomain = user.GetDomain().Name
+				rows[i].AdminDomainId = user.DomainId
+			}
+		}
 	}
 
 	return rows
diff --git a/pkg/keystone/options/options.go b/pkg/keystone/options/options.go
index f3b66cbe11..ee89039450 100644
--- a/pkg/keystone/options/options.go
+++ b/pkg/keystone/options/options.go
@@ -67,6 +67,8 @@ type SKeystoneOptions struct {
 	NoPolicyViolationCheck bool `help:"do not check policy violation when modify or assign policy" default:"false"`
 
 	LdapSearchPageSize uint32 `help:"pagination size for LDAP search" default:"100"`
+
+	ProjectAdminRole string `help:"name of role to be saved as admin user of project" default:"project_owner"`
 }
 
 var (