diff --git a/runtime/dcmi/dcmi.go b/runtime/dcmi/dcmi.go
index 7a9dbaa..0c9e483 100644
--- a/runtime/dcmi/dcmi.go
+++ b/runtime/dcmi/dcmi.go
@@ -10,8 +10,9 @@ import "C"
 import (
 	"fmt"
 	"math"
-	"mindxcheckutils"
 	"unsafe"
+
+	"mindxcheckutils"
 )
 
 const (
@@ -71,7 +72,7 @@ func GetCardList() (int32, []int32, error) {
 	}
 	var cardNum = int32(cNum)
 	var cardIDList []int32
-	for i := int32(0); i < cardNum && i < hiAIMaxCardNum; i++ {
+	for i := int32(0); i < cardNum; i++ {
 		cardID := int32(ids[i])
 		if cardID < 0 {
 			continue
@@ -157,7 +158,7 @@ func (w *NpuWorker) FindDevice(visibleDevice int32) (int32, int32, error) {
 	if err := C.dcmi_get_device_logicid_from_phyid(C.uint(visibleDevice), &dcmiLogicID); err != 0 {
 		return 0, 0, fmt.Errorf("phy id can not be converted to logic id : %v", err)
 	}
-	if uint(dcmiLogicID) > math.MaxInt32 {
+	if int32(dcmiLogicID) < 0 || int32(dcmiLogicID) >= hiAIMaxCardNum*hiAIMaxDeviceNum {
 		return 0, 0, fmt.Errorf("logic id too large")
 	}
 	targetLogicID := int32(dcmiLogicID)
diff --git a/runtime/dcmi/dcmi_api.go b/runtime/dcmi/dcmi_api.go
index 92da7e5..0884bee 100644
--- a/runtime/dcmi/dcmi_api.go
+++ b/runtime/dcmi/dcmi_api.go
@@ -5,7 +5,6 @@ package dcmi
 
 import (
 	"fmt"
-	"math"
 	"strconv"
 	"strings"
 
@@ -52,7 +51,7 @@ func CreateVDevice(w WorkerInterface, spec *specs.Spec) (VDeviceInfo, error) {
 }
 
 func extractVpuParam(spec *specs.Spec) (int32, string, error) {
-	visibleDevice, splitDevice, needSplit, visibleDeviceLine := int32(-1), "", false, ""
+	splitDevice, needSplit, visibleDeviceLine := "", false, ""
 	allowSplit := map[string]string{
 		"vir01": "vir01", "vir02": "vir02", "vir04": "vir04", "vir08": "vir08", "vir16": "vir16",
 		"vir04_3c": "vir04_3c", "vir02_1c": "vir02_1c", "vir04_4c_dvpp": "vir04_4c_dvpp",
@@ -80,10 +79,11 @@ func extractVpuParam(spec *specs.Spec) (int32, string, error) {
 	if !needSplit {
 		return -1, "", nil
 	}
-	if cardID, err := strconv.Atoi(visibleDeviceLine); err == nil && cardID >= 0 && cardID <= math.MaxInt32 {
-		visibleDevice = int32(cardID)
-	} else {
-		return -1, "", fmt.Errorf("cannot parse param : %v %v", err, visibleDeviceLine)
+	visibleDevice, err := strconv.Atoi(visibleDeviceLine)
+	if err != nil || visibleDevice < 0 || visibleDevice >= hiAIMaxCardNum*hiAIMaxDeviceNum {
+		return -1, "", fmt.Errorf("cannot parse param : %v %s", err, visibleDeviceLine)
+
 	}
-	return visibleDevice, splitDevice, nil
+
+	return int32(visibleDevice), splitDevice, nil
 }
diff --git a/runtime/main.go b/runtime/main.go
index bde9049..7d02e5c 100644
--- a/runtime/main.go
+++ b/runtime/main.go
@@ -143,6 +143,7 @@ func addHook(spec *specs.Spec) error {
 	for _, hook := range spec.Hooks.Prestart {
 		if strings.Contains(hook.Path, hookCli) {
 			needUpdate = false
+			break
 		}
 	}
 	if needUpdate {
@@ -158,6 +159,7 @@ func addHook(spec *specs.Spec) error {
 		if len(words) == envLength && strings.TrimSpace(words[0]) == "ASCEND_RUNTIME_OPTIONS" {
 			if strings.Contains(words[1], "VIRTUAL") {
 				hasVirtualFlag = true
+				break
 			}
 		}
 	}