diff --git a/pkg/kapis/iam/v1alpha2/handler.go b/pkg/kapis/iam/v1alpha2/handler.go
index 54e3a08ff..df428a752 100644
--- a/pkg/kapis/iam/v1alpha2/handler.go
+++ b/pkg/kapis/iam/v1alpha2/handler.go
@@ -904,7 +904,7 @@ func (h *iamHandler) CreateWorkspaceMembers(request *restful.Request, response *
 	}
 
 	for _, member := range members {
-		err := h.am.CreateWorkspaceRoleBinding(member.Username, workspace, member.RoleRef)
+		err := h.am.CreateUserWorkspaceRoleBinding(member.Username, workspace, member.RoleRef)
 		if err != nil {
 			klog.Error(err)
 			handleError(request, response, err)
@@ -948,7 +948,7 @@ func (h *iamHandler) UpdateWorkspaceMember(request *restful.Request, response *r
 		return
 	}
 
-	err = h.am.CreateWorkspaceRoleBinding(member.Username, workspace, member.RoleRef)
+	err = h.am.CreateUserWorkspaceRoleBinding(member.Username, workspace, member.RoleRef)
 	if err != nil {
 		klog.Error(err)
 		handleError(request, response, err)
@@ -1534,7 +1534,7 @@ func (h *iamHandler) CreateRoleBinding(request *restful.Request, response *restf
 
 	results := []rbacv1.RoleBinding{}
 	for _, item := range roleBindings {
-		r, err := h.am.CreateRoleBindings(namespace, &item)
+		r, err := h.am.CreateRoleBinding(namespace, &item)
 		if err != nil {
 			klog.Error(err)
 			handleError(request, response, err)
@@ -1550,7 +1550,7 @@ func (h *iamHandler) DeleteRoleBinding(request *restful.Request, response *restf
 	name := request.PathParameter("rolebinding")
 	namespace := request.PathParameter("namespace")
 
-	err := h.am.DeleteRoleBindings(namespace, name)
+	err := h.am.DeleteRoleBinding(namespace, name)
 
 	if err != nil {
 		if errors.IsNotFound(err) {
@@ -1591,7 +1591,7 @@ func (h *iamHandler) CreateWorkspaceRoleBinding(request *restful.Request, respon
 
 	results := []iamv1alpha2.WorkspaceRoleBinding{}
 	for _, item := range roleBindings {
-		r, err := h.am.CreateWorkspaceRoleBindings(workspaceName, &item)
+		r, err := h.am.CreateWorkspaceRoleBinding(workspaceName, &item)
 		if err != nil {
 			klog.Error(err)
 			handleError(request, response, err)
@@ -1607,7 +1607,7 @@ func (h *iamHandler) DeleteWorkspaceRoleBinding(request *restful.Request, respon
 	workspaceName := request.PathParameter("workspace")
 	name := request.PathParameter("rolebinding")
 
-	err := h.am.DeleteWorkspaceRoleBindings(workspaceName, name)
+	err := h.am.DeleteWorkspaceRoleBinding(workspaceName, name)
 
 	if err != nil {
 		if errors.IsNotFound(err) {
diff --git a/pkg/models/iam/am/am.go b/pkg/models/iam/am/am.go
index 664346ed1..a3e6ad28d 100644
--- a/pkg/models/iam/am/am.go
+++ b/pkg/models/iam/am/am.go
@@ -66,7 +66,7 @@ type AccessManagementInterface interface {
 	GetNamespaceRole(namespace string, name string) (*rbacv1.Role, error)
 	CreateOrUpdateNamespaceRole(namespace string, role *rbacv1.Role) (*rbacv1.Role, error)
 	DeleteNamespaceRole(namespace string, name string) error
-	CreateWorkspaceRoleBinding(username string, workspace string, role string) error
+	CreateUserWorkspaceRoleBinding(username string, workspace string, role string) error
 	RemoveUserFromWorkspace(username string, workspace string) error
 	CreateNamespaceRoleBinding(username string, namespace string, role string) error
 	RemoveUserFromNamespace(username string, namespace string) error
@@ -79,11 +79,11 @@ type AccessManagementInterface interface {
 	PatchClusterRole(clusterRole *rbacv1.ClusterRole) (*rbacv1.ClusterRole, error)
 	ListGroupRoleBindings(workspace, group string) ([]*rbacv1.RoleBinding, error)
 	ListGroupDevOpsRoleBindings(workspace, group string) ([]*rbacv1.RoleBinding, error)
-	CreateRoleBindings(namespace string, roleBinding *rbacv1.RoleBinding) (*rbacv1.RoleBinding, error)
-	DeleteRoleBindings(namespace, name string) error
+	CreateRoleBinding(namespace string, roleBinding *rbacv1.RoleBinding) (*rbacv1.RoleBinding, error)
+	DeleteRoleBinding(namespace, name string) error
 	ListGroupWorkspaceRoleBindings(group string, workspace string) ([]*iamv1alpha2.WorkspaceRoleBinding, error)
-	CreateWorkspaceRoleBindings(workspace string, roleBinding *iamv1alpha2.WorkspaceRoleBinding) (*iamv1alpha2.WorkspaceRoleBinding, error)
-	DeleteWorkspaceRoleBindings(workspaceName, name string) error
+	CreateWorkspaceRoleBinding(workspace string, roleBinding *iamv1alpha2.WorkspaceRoleBinding) (*iamv1alpha2.WorkspaceRoleBinding, error)
+	DeleteWorkspaceRoleBinding(workspaceName, name string) error
 }
 
 type amOperator struct {
@@ -575,7 +575,7 @@ func (am *amOperator) PatchClusterRole(clusterRole *rbacv1.ClusterRole) (*rbacv1
 	return am.k8sclient.RbacV1().ClusterRoles().Patch(clusterRole.Name, types.MergePatchType, data)
 }
 
-func (am *amOperator) CreateWorkspaceRoleBinding(username string, workspace string, role string) error {
+func (am *amOperator) CreateUserWorkspaceRoleBinding(username string, workspace string, role string) error {
 	_, err := am.GetWorkspaceRole(workspace, role)
 	if err != nil {
 		klog.Error(err)
@@ -1027,7 +1027,7 @@ func (am *amOperator) ListGroupWorkspaceRoleBindings(workspace, group string) ([
 	return result, nil
 }
 
-func (am *amOperator) CreateWorkspaceRoleBindings(workspace string, roleBinding *iamv1alpha2.WorkspaceRoleBinding) (*iamv1alpha2.WorkspaceRoleBinding, error) {
+func (am *amOperator) CreateWorkspaceRoleBinding(workspace string, roleBinding *iamv1alpha2.WorkspaceRoleBinding) (*iamv1alpha2.WorkspaceRoleBinding, error) {
 
 	_, err := am.GetWorkspaceRole(workspace, roleBinding.RoleRef.Name)
 	if err != nil {
@@ -1057,7 +1057,7 @@ func (am *amOperator) CreateWorkspaceRoleBindings(workspace string, roleBinding
 	return am.ksclient.IamV1alpha2().WorkspaceRoleBindings().Create(roleBinding)
 
 }
-func (am *amOperator) DeleteWorkspaceRoleBindings(workspaceName, name string) error {
+func (am *amOperator) DeleteWorkspaceRoleBinding(workspaceName, name string) error {
 	return am.ksclient.IamV1alpha2().WorkspaceRoleBindings().Delete(name, metav1.NewDeleteOptions(0))
 }
 
@@ -1111,7 +1111,7 @@ func (am *amOperator) ListGroupDevOpsRoleBindings(workspace, group string) ([]*r
 	return result, nil
 }
 
-func (am *amOperator) CreateRoleBindings(namespace string, roleBinding *rbacv1.RoleBinding) (*rbacv1.RoleBinding, error) {
+func (am *amOperator) CreateRoleBinding(namespace string, roleBinding *rbacv1.RoleBinding) (*rbacv1.RoleBinding, error) {
 
 	_, err := am.GetNamespaceRole(namespace, roleBinding.RoleRef.Name)
 	if err != nil {
@@ -1139,7 +1139,7 @@ func (am *amOperator) CreateRoleBindings(namespace string, roleBinding *rbacv1.R
 	return am.k8sclient.RbacV1().RoleBindings(namespace).Create(roleBinding)
 }
 
-func (am *amOperator) DeleteRoleBindings(namespace, name string) error {
+func (am *amOperator) DeleteRoleBinding(namespace, name string) error {
 	return am.k8sclient.RbacV1().RoleBindings(namespace).Delete(name, metav1.NewDeleteOptions(0))
 }