diff --git a/output/README.MD b/output/README.MD
index 09b35f5..6eb6b19 100644
--- a/output/README.MD
+++ b/output/README.MD
@@ -1 +1 @@
-locate the output files
\ No newline at end of file
+locate the output files
diff --git a/runtime/dcmi/dcmi_api.go b/runtime/dcmi/dcmi_api.go
index 4e8a629..e511332 100644
--- a/runtime/dcmi/dcmi_api.go
+++ b/runtime/dcmi/dcmi_api.go
@@ -61,7 +61,8 @@ func CreateVDevice(w WorkerInterface, spec *specs.Spec) (VDeviceInfo, error) {
 
 	vdeviceID, err := w.CreateVDevice(targetCardID, targetDeviceID, splitDevice)
 	if err != nil || vdeviceID < 0 {
-		return invalidVDevice, fmt.Errorf("cannot create vd or vdevice is wrong: %v %v", vdeviceID, err)
+		hwlog.RunLog.Errorf("cannot create vd or vdevice is wrong: %v %v", vdeviceID, err)
+		return invalidVDevice, err
 	}
 	return VDeviceInfo{CardID: targetCardID, DeviceID: targetDeviceID, VdeviceID: int32(vdeviceID)}, nil
 }
@@ -70,11 +71,11 @@ func extractVpuParam(spec *specs.Spec) (int32, string, error) {
 	splitDevice, needSplit, visibleDeviceLine := "", false, ""
 	allowSplit := map[string]string{
 		"vir01": "vir01", "vir02": "vir02", "vir04": "vir04", "vir08": "vir08", "vir16": "vir16",
-		"vir02_1c": "vir02_1c",  "vir03_1c_8g": "vir03_1c_8g", "vir04_3c": "vir04_3c",
+		"vir02_1c": "vir02_1c", "vir03_1c_8g": "vir03_1c_8g", "vir04_3c": "vir04_3c",
 		"vir04_4c_dvpp": "vir04_4c_dvpp", "vir04_3c_ndvpp": "vir04_3c_ndvpp",
 		"vir05_1c_8g": "vir05_1c_8g", "vir05_1c_16g": "vir05_1c_16g",
-		"vir06_1c_16g": "vir06_1c_16g", "vir10_3c_16g": "vir10_3c_16g", 
-		"vir10_3c_16g_nm": "vir10_3c_16g_nm", "vir10_3c_32g": "vir10_3c_32g", 
+		"vir06_1c_16g": "vir06_1c_16g", "vir10_3c_16g": "vir10_3c_16g",
+		"vir10_3c_16g_nm": "vir10_3c_16g_nm", "vir10_3c_32g": "vir10_3c_32g",
 		"vir10_4c_16g_m": "vir10_4c_16g_m", "vir12_3c_32g": "vir12_3c_32g",
 	}
 
@@ -101,8 +102,8 @@ func extractVpuParam(spec *specs.Spec) (int32, string, error) {
 	}
 	visibleDevice, err := strconv.Atoi(visibleDeviceLine)
 	if err != nil || visibleDevice < 0 || visibleDevice >= hiAIMaxCardNum*hiAIMaxDeviceNum {
-		return -1, "", fmt.Errorf("cannot parse param : %v %s", err, visibleDeviceLine)
-
+		hwlog.RunLog.Errorf("cannot parse param : %v %s", err, visibleDeviceLine)
+		return -1, "", err
 	}
 
 	return int32(visibleDevice), splitDevice, nil
diff --git a/runtime/main.go b/runtime/main.go
index 0b66449..7f6aba4 100644
--- a/runtime/main.go
+++ b/runtime/main.go
@@ -17,13 +17,10 @@ package main
 
 import (
 	"context"
-	"crypto/tls"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"log"
-	"net/http"
 	"os"
 	"os/exec"
 	"path"
@@ -37,7 +34,6 @@ import (
 	"github.com/containerd/containerd/oci"
 	"github.com/opencontainers/runtime-spec/specs-go"
 	"huawei.com/npu-exporter/v5/common-utils/hwlog"
-	"k8s.io/api/core/v1"
 
 	"main/dcmi"
 	"mindxcheckutils"
@@ -69,8 +65,6 @@ var (
 	hookDefaultFile = hookDefaultFilePath
 	dockerRuncName  = dockerRuncFile
 	runcName        = runcFile
-
-	notMatchError = errors.New("container not match pod or pod not has huawei.com/Ascend910 annotation")
 )
 
 const (
@@ -298,26 +292,6 @@ func removeDuplication(devices []int) []int {
 	return list
 }
 
-func parseAnnotationDevices(annotationDevices string) ([]int, error) {
-	devices := make([]int, 0)
-
-	for _, d := range strings.Split(annotationDevices, ",") {
-		borders := strings.Split(d, Ascend910+"-")
-		if len(borders) != borderNum || borders[0] != "" {
-			return nil, fmt.Errorf("invalid device range: %s", d)
-		}
-		deviceID, err := strconv.Atoi(borders[1])
-		if err != nil {
-			return nil, fmt.Errorf("invalid device ID: %s", d)
-		}
-
-		devices = append(devices, deviceID)
-	}
-
-	sort.Slice(devices, func(i, j int) bool { return i < j })
-	return removeDuplication(devices), nil
-}
-
 func parseDevices(visibleDevices string) ([]int, error) {
 	devices := make([]int, 0)
 	const maxDevice = 128
@@ -498,44 +472,6 @@ func addManagerDevice(spec *specs.Spec) error {
 }
 
 func addDevice(spec *specs.Spec) error {
-	// 获取对应pod annotation中的设备信息
-	annotationDevices, err := getDeviceFromPod(spec)
-	if err != nil && err != notMatchError {
-		// 报错不可直接返回，记录日志即可
-		hwlog.RunLog.Errorf("getDeviceFromPod failed: %#v", err)
-	}
-
-	// 如果没有匹配到pod或annotation，则通过环境变量挂载设备
-	if annotationDevices == "" {
-		hwlog.RunLog.Info("add devices from env variable")
-		if err = addDeviceFromEnv(spec); err != nil {
-			return fmt.Errorf("failed to add device to env: %#v", err)
-		}
-		return nil
-	}
-
-	// 如果对应pod annotation中的设备信息存在，则用这个信息挂载设备
-	devices, err := parseAnnotationDevices(annotationDevices)
-	if err != nil {
-		return fmt.Errorf("failed to parse device: %#v", err)
-	}
-	hwlog.RunLog.Infof("annotation devices is: %#v", devices)
-	deviceName := davinciName
-	for _, deviceId := range devices {
-		dPath := devicePath + deviceName + strconv.Itoa(deviceId)
-		if err = addDeviceToSpec(spec, dPath, deviceName); err != nil {
-			return fmt.Errorf("failed to add davinci device to spec: %#v", err)
-		}
-	}
-
-	if err = addManagerDevice(spec); err != nil {
-		return fmt.Errorf("failed to add Manager device to spec: %#v", err)
-	}
-
-	return nil
-}
-
-func addDeviceFromEnv(spec *specs.Spec) error {
 	visibleDevices := getValueByKey(spec.Process.Env, ascendVisibleDevices)
 	if visibleDevices == "" {
 		return nil
@@ -634,7 +570,8 @@ func modifySpecFile(path string) error {
 	}
 
 	if err = addHook(&spec); err != nil {
-		return fmt.Errorf("failed to inject hook: %v", err)
+		hwlog.RunLog.Errorf("failed to inject hook, err: %v", err)
+		return fmt.Errorf("failed to inject hook")
 	}
 
 	if err = addDevice(&spec); err != nil {
@@ -714,61 +651,3 @@ func main() {
 		log.Fatal(err)
 	}
 }
-
-func getDeviceFromPod(spec *specs.Spec) (string, error) {
-	// 只有apiserver会访问kubelet的https api接口，所以使用apiserver的客户端证书；证书需要从master节点拷贝到worker节点
-	certFile := "/etc/kubernetes/pki/apiserver-kubelet-client.crt"
-	keyFile := "/etc/kubernetes/pki/apiserver-kubelet-client.key"
-	kubeletUrl := "https://127.0.0.1:10250/"
-	podsUrlPath := "pods"
-	npu910CardName := "huawei.com/Ascend910"
-
-	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
-	if err != nil {
-		hwlog.RunLog.Errorf("LoadX509KeyPair failed: %#v", err)
-		return "", err
-	}
-
-	// 构造带客户端证书的http客户端
-	client := &http.Client{
-		Transport: &http.Transport{
-			Proxy: nil, // 禁用代理
-			TLSClientConfig: &tls.Config{
-				Certificates:       []tls.Certificate{cert},
-				InsecureSkipVerify: true, // kubelet 是自签名ca证书，apiserver也未校验kubelet服务端证书，所以这里不校验
-			},
-		},
-	}
-
-	// 向kubelet服务端请求获取pod list
-	resp, err := client.Get(kubeletUrl + podsUrlPath)
-	if err != nil {
-		hwlog.RunLog.Errorf("http get failed: %#v", err)
-		return "", err
-	}
-	defer resp.Body.Close()
-
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		hwlog.RunLog.Errorf("ReadAll resp.Body failed: %#v", err)
-		return "", err
-	}
-	hwlog.RunLog.Infof("get pod list success, resp.Status: %#v", resp.Status)
-
-	// 遍历pod list，找到此容器
-	var podList v1.PodList
-	if err := json.Unmarshal(body, &podList); err != nil {
-		hwlog.RunLog.Errorf("unmarshal body failed: %#v", err)
-		return "", err
-	}
-
-	for _, pod := range podList.Items {
-		if pod.ObjectMeta.Name == spec.Hostname {
-			if value, ok := pod.ObjectMeta.Annotations[npu910CardName]; ok {
-				return value, nil
-			}
-			break
-		}
-	}
-	return "", notMatchError
-}7
\ No newline at end of file