diff --git a/runtime/main.go b/runtime/main.go
index 436738d..8244d63 100644
--- a/runtime/main.go
+++ b/runtime/main.go
@@ -28,6 +28,7 @@ const (
 	hookDefaultFilePath = "/usr/local/bin/ascend-docker-hook"
 	dockerRuncFile      = "docker-runc"
 	runcFile            = "runc"
+	envLength           = 2
 )
 
 var (
@@ -108,6 +109,19 @@ func addHook(spec *specs.Spec) error {
 		})
 	}
 
+	hasVirtualFlag := false
+	for _, line := range spec.Process.Env {
+		words := strings.Split(line, "=")
+		if len(words) == envLength && strings.TrimSpace(words[0]) == "ASCEND_RUNTIME_OPTIONS" {
+			if strings.Contains(words[1], "VIRTUAL") {
+				hasVirtualFlag = true
+			}
+		}
+	}
+	if hasVirtualFlag {
+		return nil
+	}
+
 	vdevice, err := dcmi.CreateVDevice(&dcmi.NpuWorker{}, spec)
 
 	if err != nil {
@@ -126,12 +140,11 @@ func updateEnvAndPostHook(spec *specs.Spec, vdevice dcmi.VDeviceInfo) {
 	needAddVirtualFlag := true
 	for _, line := range spec.Process.Env {
 		words := strings.Split(line, "=")
-		const LENGTH int = 2
-		if len(words) == LENGTH && strings.TrimSpace(words[0]) == "ASCEND_VISIBLE_DEVICES" {
+		if len(words) == envLength && strings.TrimSpace(words[0]) == "ASCEND_VISIBLE_DEVICES" {
 			newEnv = append(newEnv, fmt.Sprintf("ASCEND_VISIBLE_DEVICES=%d", vdevice.VdeviceID))
 			continue
 		}
-		if len(words) == LENGTH && strings.TrimSpace(words[0]) == "ASCEND_RUNTIME_OPTIONS" {
+		if len(words) == envLength && strings.TrimSpace(words[0]) == "ASCEND_RUNTIME_OPTIONS" {
 			needAddVirtualFlag = false
 			if strings.Contains(words[1], "VIRTUAL") {
 				newEnv = append(newEnv, line)