diff --git a/pkg/apis/v1alpha1/ecsnodeclass.go b/pkg/apis/v1alpha1/ecsnodeclass.go
index cff68a4..3b977d8 100644
--- a/pkg/apis/v1alpha1/ecsnodeclass.go
+++ b/pkg/apis/v1alpha1/ecsnodeclass.go
@@ -71,6 +71,10 @@ type ECSNodeClassSpec struct {
 	// +kubebuilder:validation:XValidation:message="tag contains a restricted tag matching karpenter.k8s.alibabacloud/ecsnodeclass",rule="self.all(k, k !='karpenter.k8s.alibabacloud/ecsnodeclass')"
 	// +optional
 	Tags map[string]string `json:"tags,omitempty"`
+	// ResourceGroupID is the resource group id in ECS
+	// +kubebuilder:validation:Pattern:="rg-[0-9a-z]+"
+	// +optional
+	ResourceGroupID string `json:"resourceGroupId,omitempty"`
 }
 
 // VSwitchSelectorTerm defines selection logic for a vSwitch used by Karpenter to launch nodes.
diff --git a/pkg/providers/instance/instance.go b/pkg/providers/instance/instance.go
index a1eddfe..c3a8bab 100644
--- a/pkg/providers/instance/instance.go
+++ b/pkg/providers/instance/instance.go
@@ -487,6 +487,7 @@ func (p *DefaultProvider) getProvisioningGroup(ctx context.Context, nodeClass *v
 
 			// TODO: AutoProvisioningGroup is not compatible with SecurityGroupIds, waiting for Aliyun developers to fix it,
 			// so here we only take the first one.
+			ResourceGroupId:            tea.String(nodeClass.Spec.ResourceGroupID),
 			SecurityGroupId:            securityGroupIDs[0],
 			SystemDiskSize:             systemDisk.Size,
 			SystemDiskPerformanceLevel: systemDisk.PerformanceLevel,