diff --git a/runtime/dcmi/dcmi.go b/runtime/dcmi/dcmi.go
index 5f1e0c8..5990562 100644
--- a/runtime/dcmi/dcmi.go
+++ b/runtime/dcmi/dcmi.go
@@ -10,7 +10,6 @@ import "C"
 import (
 	"fmt"
 	"math"
-	"unsafe"
 )
 
 const (
@@ -22,6 +21,8 @@ const (
 
 	// maxErrorCodeCount is the max number of error code
 	hiAIMaxCardNum = 16
+	coreNumLen     = 32
+	deviceNum      = 4294967295 // vfg_id表示指定虚拟设备所属的虚拟分组ID，默认自动分配，默认值为0xFFFFFFFF，转换成10进制为4294967295。
 )
 
 // NpuWorker Dcmi worker
@@ -107,9 +108,20 @@ func GetDeviceLogicID(cardID, deviceID int32) (int32, error) {
 func (w *NpuWorker) CreateVDevice(cardID, deviceID int32, coreNum string) (int32, error) {
 	var createInfo C.struct_dcmi_create_vdev_out
 	createInfo.vdev_id = C.uint(math.MaxUint32)
-	coreTemplate := C.CString(coreNum)
-	defer C.free(unsafe.Pointer(coreTemplate))
-	err := C.dcmi_create_vdevice(C.int(cardID), C.int(deviceID), C.int(-1), coreTemplate, &createInfo)
+	var deviceCreateStr C.struct_dcmi_create_vdev_res_stru
+	deviceCreateStr = C.struct_dcmi_create_vdev_res_stru{
+		vdev_id: C.uint(deviceNum),
+		vfg_id:  C.uint(deviceNum),
+	}
+	deviceCreateStrArr := [coreNumLen]C.char{0}
+	for i := 0; i < len(coreNum); i++ {
+		if i >= coreNumLen {
+			return math.MaxInt32, fmt.Errorf("wrong template")
+		}
+		deviceCreateStrArr[i] = C.char(coreNum[i])
+	}
+	deviceCreateStr.template_name = deviceCreateStrArr
+	err := C.dcmi_create_vdevice(C.int(cardID), C.int(deviceID), &deviceCreateStr, &createInfo)
 	if err != 0 {
 		errInfo := fmt.Errorf("create virtual device failed, error code: %d", int32(err))
 		return math.MaxInt32, errInfo
diff --git a/runtime/dcmi/dcmi_interface_api.h b/runtime/dcmi/dcmi_interface_api.h
index e7e3f7a..a7094a0 100644
--- a/runtime/dcmi/dcmi_interface_api.h
+++ b/runtime/dcmi/dcmi_interface_api.h
@@ -9,6 +9,7 @@
 #include <dlfcn.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
@@ -30,6 +31,12 @@ struct dcmi_create_vdev_out {
     unsigned int vfg_id;
     unsigned char reserved[DCMI_VDEV_FOR_RESERVE];
 };
+struct dcmi_create_vdev_res_stru {
+    unsigned int vdev_id;
+    unsigned int vfg_id;
+    char template_name[32];
+    unsigned char reserved[64];
+};
 
 // dcmi
 int (*dcmi_init_func)();
@@ -56,12 +63,14 @@ int dcmi_get_device_logic_id(int *device_logic_id, int card_id, int device_id)
     CALL_FUNC(dcmi_get_device_logic_id, device_logic_id, card_id, device_id);
 }
 
-int (*dcmi_create_vdevice_func)(int card_id, int device_id, int vdev_id, const char *template_name,
+int (*dcmi_create_vdevice_func)(int card_id, int device_id,
+                                struct dcmi_create_vdev_res_stru *vdev,
                                 struct dcmi_create_vdev_out *out);
-int dcmi_create_vdevice(int card_id, int device_id, int vdev_id, const char *template_name,
+int dcmi_create_vdevice(int card_id, int device_id,
+                        struct dcmi_create_vdev_res_stru *vdev,
                         struct dcmi_create_vdev_out *out)
 {
-    CALL_FUNC(dcmi_create_vdevice, card_id, device_id, vdev_id, template_name, out);
+    CALL_FUNC(dcmi_create_vdevice, card_id, device_id, vdev, out);
 }
 
 int (*dcmi_set_destroy_vdevice_func)(int card_id, int device_id, unsigned int VDevid);