diff --git a/eci.go b/eci.go
index ce55749..48e9346 100644
--- a/eci.go
+++ b/eci.go
@@ -185,6 +185,13 @@ func (p *ECIProvider) CreatePod(ctx context.Context, pod *v1.Pod) error {
 	request := eci.CreateCreateContainerGroupRequest()
 	request.RestartPolicy = string(pod.Spec.RestartPolicy)
 
+	// 解析ECS规格注解
+	if pod.Annotations != nil {
+		if specs, exists := pod.Annotations["k8s.aliyun.com/eci-use-specs"]; exists {
+			request.InstanceType = specs
+		}
+	}
+
 	// 添加抢占式实例策略配置
 	request.SpotStrategy = "SpotAsPriceGo"  // 设置抢占式实例策略为按价格竞价
 	//request.SpotDuration = 0                // 设置抢占式实例持续时间为0（非定时抢占）
diff --git a/eci/create_container_group.go b/eci/create_container_group.go
index 2f0d6cb..5c9d31f 100644
--- a/eci/create_container_group.go
+++ b/eci/create_container_group.go
@@ -92,6 +92,7 @@ type CreateContainerGroupRequest struct {
 	AutoCreateEip            requests.Boolean          `position:"Query" name:"AutoCreateEip"`
 	ZoneId                   string                    `position:"Query" name:"ZoneId"`
 	SpotStrategy             string                    `position:"Query" name:"SpotStrategy"`
+	InstanceType             string                    `position:"Query" name:"InstanceType"`
 //	SpotDuration             requests.Integer          `position:"Query" name:"SpotDuration"`
 }