diff --git a/openstack/mrs/v1/cluster/requests.go b/openstack/mrs/v1/cluster/requests.go
index 438bd9e9c..25f94f247 100644
--- a/openstack/mrs/v1/cluster/requests.go
+++ b/openstack/mrs/v1/cluster/requests.go
@@ -9,10 +9,6 @@ var requestOpts golangsdk.RequestOpts = golangsdk.RequestOpts{
 type CreateOpts struct {
 	BillingType           int             `json:"billing_type" required:"true"`
 	DataCenter            string          `json:"data_center" required:"true"`
-	MasterNodeNum         int             `json:"master_node_num" required:"true"`
-	MasterNodeSize        string          `json:"master_node_size" required:"true"`
-	CoreNodeNum           int             `json:"core_node_num" required:"true"`
-	CoreNodeSize          string          `json:"core_node_size" required:"true"`
 	AvailableZoneID       string          `json:"available_zone_id" required:"true"`
 	ClusterName           string          `json:"cluster_name" required:"true"`
 	Vpc                   string          `json:"vpc" required:"true"`
@@ -22,6 +18,10 @@ type CreateOpts struct {
 	SecurityGroupsID      string          `json:"security_groups_id,omitempty"`
 	ClusterVersion        string          `json:"cluster_version" required:"true"`
 	ClusterType           int             `json:"cluster_type"`
+	MasterNodeNum         int             `json:"master_node_num,omitempty"`
+	MasterNodeSize        string          `json:"master_node_size,omitempty"`
+	CoreNodeNum           int             `json:"core_node_num,omitempty"`
+	CoreNodeSize          string          `json:"core_node_size,omitempty"`
 	MasterDataVolumeType  string          `json:"master_data_volume_type,omitempty"`
 	MasterDataVolumeSize  int             `json:"master_data_volume_size,omitempty"`
 	MasterDataVolumeCount int             `json:"master_data_volume_count,omitempty"`
@@ -36,11 +36,23 @@ type CreateOpts struct {
 	ClusterMasterSecret   string          `json:"cluster_master_secret,omitempty"`
 	NodePublicCertName    string          `json:"node_public_cert_name,omitempty"`
 	LogCollection         int             `json:"log_collection,omitempty"`
+	NodeGroups            []NodeGroupOpts `json:"node_groups,omitempty"`
 	ComponentList         []ComponentOpts `json:"component_list" required:"true"`
 	AddJobs               []JobOpts       `json:"add_jobs,omitempty"`
 	BootstrapScripts      []ScriptOpts    `json:"bootstrap_scripts,omitempty"`
 }
 
+type NodeGroupOpts struct {
+	GroupName       string `json:"group_name" required:"true"`
+	NodeSize        string `json:"node_size" required:"true"`
+	NodeNum         int    `json:"node_num" required:"true"`
+	RootVolumeType  string `json:"root_volume_type" required:"true"`
+	RootVolumeSize  int    `json:"root_volume_size" required:"true"`
+	DataVolumeType  string `json:"data_volume_type" required:"true"`
+	DataVolumeSize  int    `json:"data_volume_size" required:"true"`
+	DataVolumeCount int    `json:"data_volume_count" required:"true"`
+}
+
 type ComponentOpts struct {
 	ComponentName string `json:"component_name" required:"true"`
 }
diff --git a/openstack/mrs/v1/cluster/results.go b/openstack/mrs/v1/cluster/results.go
index 7bf5156fe..77fff80e2 100644
--- a/openstack/mrs/v1/cluster/results.go
+++ b/openstack/mrs/v1/cluster/results.go
@@ -7,12 +7,12 @@ type Cluster struct {
 	Clustername           string       `json:"clusterName"`
 	Masternodenum         string       `json:"masterNodeNum"`
 	Corenodenum           string       `json:"coreNodeNum"`
+	Totalnodenum          string       `json:"totalNodeNum"`
 	Clusterstate          string       `json:"clusterState"`
 	Createat              string       `json:"createAt"`
 	Updateat              string       `json:"updateAt"`
 	Billingtype           string       `json:"billingType"`
 	Datacenter            string       `json:"dataCenter"`
-	Vpc                   string       `json:"vpc"`
 	Duration              string       `json:"duration"`
 	Fee                   string       `json:"fee"`
 	Hadoopversion         string       `json:"hadoopVersion"`
@@ -26,18 +26,22 @@ type Cluster struct {
 	Remark                string       `json:"remark"`
 	Orderid               string       `json:"orderId"`
 	Azid                  string       `json:"azId"`
+	Azname                string       `json:"azName"`
 	Masternodeproductid   string       `json:"masterNodeProductId"`
 	Masternodespecid      string       `json:"masterNodeSpecId"`
 	Corenodeproductid     string       `json:"coreNodeProductId"`
 	Corenodespecid        string       `json:"coreNodeSpecId"`
-	Azname                string       `json:"azName"`
 	Instanceid            string       `json:"instanceId"`
 	Vnc                   string       `json:"vnc"`
 	Tenantid              string       `json:"tenantId"`
 	Volumesize            int          `json:"volumeSize"`
+	Vpc                   string       `json:"vpc"`
+	Vpcid                 string       `json:"vpcId"`
+	Subnetid              string       `json:"subnetId"`
 	Subnetname            string       `json:"subnetName"`
 	Securitygroupsid      string       `json:"securityGroupsId"`
 	Slavesecuritygroupsid string       `json:"slaveSecurityGroupsId"`
+	Stagedesc             string       `json:"stageDesc"`
 	Safemode              int          `json:"safeMode"`
 	Clusterversion        string       `json:"clusterVersion"`
 	Nodepubliccertname    string       `json:"nodePublicCertName"`
@@ -46,6 +50,8 @@ type Cluster struct {
 	Errorinfo             string       `json:"errorInfo"`
 	Chargingstarttime     string       `json:"chargingStartTime"`
 	LogCollection         int          `json:"log_collection"`
+	TaskNodeGroups        []NodeGroup  `json:"taskNodeGroups"`
+	NodeGroups            []NodeGroup  `json:"nodeGroups"`
 	MasterDataVolumeType  string       `json:"masterDataVolumeType"`
 	MasterDataVolumeSize  int          `json:"masterDataVolumeSize"`
 	MasterDataVolumeCount int          `json:"masterDataVolumeCount"`
@@ -62,6 +68,21 @@ type Component struct {
 	Componentdesc    string `json:"componentDesc"`
 }
 
+type NodeGroup struct {
+	GroupName       string `json:"groupName"`
+	NodeNum         int    `json:"nodeNum"`
+	NodeSize        string `json:"nodeSize"`
+	NodeSpecId      string `json:"nodeSpecId"`
+	NodeProductId   string `json:"nodeProductId"`
+	VMProductId     string `json:"vmProductId"`
+	VMSpecCode      string `json:"vmSpecCode"`
+	RootVolumeSize  int    `json:"rootVolumeSize"`
+	RootVolumeType  string `json:"rootVolumeType"`
+	DataVolumeType  string `json:"dataVolumeType"`
+	DataVolumeSize  int    `json:"dataVolumeSize"`
+	DataVolumeCount int    `json:"dataVolumeCount"`
+}
+
 type ClusterResult struct {
 	ClusterID string `json:"cluster_id"`
 	Result    bool   `json:"result"`