diff --git a/ai/mindspore/src/ohos_c_api_test_mslite.cpp b/ai/mindspore/src/ohos_c_api_test_mslite.cpp
index 79487694ea9f9c77bad01f8c0c5c9d55d86a6e0f..93b459cef672b871724cee595eb2ab4654ac3d25 100644
--- a/ai/mindspore/src/ohos_c_api_test_mslite.cpp
+++ b/ai/mindspore/src/ohos_c_api_test_mslite.cpp
@@ -62,30 +62,84 @@ void AddContextDeviceCPU(OH_AI_ContextHandle context) {
 
 // add nnrt device info
 void AddContextDeviceNNRT(OH_AI_ContextHandle context) {
+    size_t num = 0;
+    auto desc = OH_AI_NNRTGetAllDeviceDescs(&num);
+    if (desc == nullptr) {
+        return;
+    }
+
+    std::cout << "found " << num << " nnrt devices" << std::endl;
+    auto id = OH_AI_NNRTDeviceDescGetId(desc);
+    auto name = OH_AI_NNRTDeviceDescGetName(desc);
+    auto type = OH_AI_NNRTDeviceDescGetType(desc);
+    std::cout << "NNRT device: id = " << id << ", name: " << name << ", type:" << type << std::endl;
+
     OH_AI_DeviceInfoHandle nnrt_device_info = OH_AI_DeviceInfoCreate(OH_AI_DEVICETYPE_NNRT);
     ASSERT_NE(nnrt_device_info, nullptr);
+    OH_AI_DeviceInfoSetDeviceId(nnrt_device_info, id);
+    OH_AI_NNRTDestroyAllDeviceDescs(&desc);
+
+    OH_AI_DeviceType device_type = OH_AI_DeviceInfoGetDeviceType(nnrt_device_info);
+    printf("==========device_type:%d\n", device_type);
+    ASSERT_EQ(device_type, OH_AI_DEVICETYPE_NNRT);
 
+    OH_AI_DeviceInfoSetPerformanceMode(nnrt_device_info, OH_AI_PERFORMANCE_MEDIUM);
+    ASSERT_EQ(OH_AI_DeviceInfoGetPerformanceMode(nnrt_device_info), OH_AI_PERFORMANCE_MEDIUM);
+    OH_AI_DeviceInfoSetPriority(nnrt_device_info, OH_AI_PRIORITY_MEDIUM);
+    ASSERT_EQ(OH_AI_DeviceInfoGetPriority(nnrt_device_info), OH_AI_PRIORITY_MEDIUM);
+
+    OH_AI_ContextAddDeviceInfo(context, nnrt_device_info);
+}
+
+// add nnrt device info by type
+void AddContextDeviceNNRTByType(OH_AI_ContextHandle context) {
     size_t num = 0;
     auto desc = OH_AI_NNRTGetAllDeviceDescs(&num);
     if (desc == nullptr) {
         return;
     }
-
     std::cout << "found " << num << " nnrt devices" << std::endl;
-    for (size_t i = 0; i < num; i++) {
-	std::cout << "nnrt device " << i << ": {device_id: " << desc[i].device_id
-	    << ", type:" << desc[i].device_type << ", name:" << desc[i].device_name << std::endl; 
-    }
+    auto id = OH_AI_NNRTDeviceDescGetId(desc);
+    auto name = OH_AI_NNRTDeviceDescGetName(desc);
+    auto type = OH_AI_NNRTDeviceDescGetType(desc);
+    std::cout << "NNRT device: id = " << id << ", name: " << name << ", type:" << type << std::endl;
 
-    OH_AI_DeviceInfoSetDeviceId(nnrt_device_info, desc[0].device_id);
+    auto nnrt_device_info = OH_AI_CreateNNRTDeviceInfoByType(type);
     OH_AI_NNRTDestroyAllDeviceDescs(&desc);
+    ASSERT_NE(nnrt_device_info, nullptr);
 
     OH_AI_DeviceType device_type = OH_AI_DeviceInfoGetDeviceType(nnrt_device_info);
     printf("==========device_type:%d\n", device_type);
     ASSERT_EQ(device_type, OH_AI_DEVICETYPE_NNRT);
+    ASSERT_EQ(OH_AI_DeviceInfoGetDeviceId(nnrt_device_info), id);
+
     OH_AI_ContextAddDeviceInfo(context, nnrt_device_info);
 }
 
+// add nnrt device info by name
+void AddContextDeviceNNRTByName(OH_AI_ContextHandle context) {
+    size_t num = 0;
+    auto desc = OH_AI_NNRTGetAllDeviceDescs(&num);
+    if (desc == nullptr) {
+        return;
+    }
+    std::cout << "found " << num << " nnrt devices" << std::endl;
+    auto id = OH_AI_NNRTDeviceDescGetId(desc);
+    auto name = OH_AI_NNRTDeviceDescGetName(desc);
+    auto type = OH_AI_NNRTDeviceDescGetType(desc);
+    std::cout << "NNRT device: id = " << id << ", name: " << name << ", type:" << type << std::endl;
+
+    auto nnrt_device_info = OH_AI_CreateNNRTDeviceInfoByName(name);
+    OH_AI_NNRTDestroyAllDeviceDescs(&desc);
+    ASSERT_NE(nnrt_device_info, nullptr);
+
+    OH_AI_DeviceType device_type = OH_AI_DeviceInfoGetDeviceType(nnrt_device_info);
+    printf("==========device_type:%d\n", device_type);
+    ASSERT_EQ(device_type, OH_AI_DEVICETYPE_NNRT);
+    ASSERT_EQ(OH_AI_DeviceInfoGetDeviceId(nnrt_device_info), id);
+
+    OH_AI_ContextAddDeviceInfo(context, nnrt_device_info);
+}
 
 // fill data to inputs tensor
 void FillInputsData(OH_AI_TensorHandleArray inputs, string model_name, bool is_transpose) {
@@ -1559,7 +1613,7 @@ HWTEST(MSLiteTest, OHOS_Compatible_0001, Function | MediumTest | Level1) {
     OH_AI_ModelDestroy(&model);
 }
 
-// delegate异构
+// delegate异构：选取第一个NNRT设备
 HWTEST(MSLiteTest, OHOS_NNRT_0001, Function | MediumTest | Level1) {
     printf("==========Init Context==========\n");
     OH_AI_ContextHandle context = OH_AI_ContextCreate();
@@ -1586,41 +1640,62 @@ HWTEST(MSLiteTest, OHOS_NNRT_0001, Function | MediumTest | Level1) {
     OH_AI_ModelDestroy(&model);
 }
 
-// delegate异构：多输入单输出
+// delegate异构：根据类型确定NNRT设备
 HWTEST(MSLiteTest, OHOS_NNRT_0002, Function | MediumTest | Level1) {
     printf("==========Init Context==========\n");
     OH_AI_ContextHandle context = OH_AI_ContextCreate();
     ASSERT_NE(context, nullptr);
-    AddContextDeviceNNRT(context);
+    AddContextDeviceNNRTByType(context);
     AddContextDeviceCPU(context);
     printf("==========Create model==========\n");
     OH_AI_ModelHandle model = OH_AI_ModelCreate();
     ASSERT_NE(model, nullptr);
     printf("==========Build model==========\n");
-    OH_AI_Status ret = OH_AI_ModelBuildFromFile(model, "/data/test/ml_headpose_pb2tflite.ms",
+    OH_AI_Status ret = OH_AI_ModelBuildFromFile(model, "/data/test/ml_face_isface.ms",
         OH_AI_MODELTYPE_MINDIR, context);
     printf("==========build model return code:%d\n", ret);
     ASSERT_EQ(ret, OH_AI_STATUS_SUCCESS);
     printf("==========GetInputs==========\n");
     OH_AI_TensorHandleArray inputs = OH_AI_ModelGetInputs(model);
     ASSERT_NE(inputs.handle_list, nullptr);
-    FillInputsData(inputs, "ml_headpose_pb2tflite", false);
+    FillInputsData(inputs, "ml_face_isface", true);
     printf("==========Model Predict==========\n");
     OH_AI_TensorHandleArray outputs;
     ret = OH_AI_ModelPredict(model, inputs, &outputs, nullptr, nullptr);
     ASSERT_EQ(ret, OH_AI_STATUS_SUCCESS);
-    CompareResult(outputs, "ml_headpose_pb2tflite", 0.02, 0.02);
+    CompareResult(outputs, "ml_face_isface");
     OH_AI_ModelDestroy(&model);
 }
 
-//  delegate异构：输入为uint8模型
+// delegate异构：根据名称确定NNRT设备
 HWTEST(MSLiteTest, OHOS_NNRT_0003, Function | MediumTest | Level1) {
-    printf("==========ReadFile==========\n");
-    size_t size1;
-    size_t *ptr_size1 = &size1;
-    const char *imagePath = "/data/test/aiy_vision_classifier_plants_V1_3.input";
-    char *imageBuf = ReadFile(imagePath, ptr_size1);
-    ASSERT_NE(imageBuf, nullptr);
+    printf("==========Init Context==========\n");
+    OH_AI_ContextHandle context = OH_AI_ContextCreate();
+    ASSERT_NE(context, nullptr);
+    AddContextDeviceNNRTByName(context);
+    AddContextDeviceCPU(context);
+    printf("==========Create model==========\n");
+    OH_AI_ModelHandle model = OH_AI_ModelCreate();
+    ASSERT_NE(model, nullptr);
+    printf("==========Build model==========\n");
+    OH_AI_Status ret = OH_AI_ModelBuildFromFile(model, "/data/test/ml_face_isface.ms",
+        OH_AI_MODELTYPE_MINDIR, context);
+    printf("==========build model return code:%d\n", ret);
+    ASSERT_EQ(ret, OH_AI_STATUS_SUCCESS);
+    printf("==========GetInputs==========\n");
+    OH_AI_TensorHandleArray inputs = OH_AI_ModelGetInputs(model);
+    ASSERT_NE(inputs.handle_list, nullptr);
+    FillInputsData(inputs, "ml_face_isface", true);
+    printf("==========Model Predict==========\n");
+    OH_AI_TensorHandleArray outputs;
+    ret = OH_AI_ModelPredict(model, inputs, &outputs, nullptr, nullptr);
+    ASSERT_EQ(ret, OH_AI_STATUS_SUCCESS);
+    CompareResult(outputs, "ml_face_isface");
+    OH_AI_ModelDestroy(&model);
+}
+
+// delegate异构：多输入单输出
+HWTEST(MSLiteTest, OHOS_NNRT_0004, Function | MediumTest | Level1) {
     printf("==========Init Context==========\n");
     OH_AI_ContextHandle context = OH_AI_ContextCreate();
     ASSERT_NE(context, nullptr);
@@ -1630,41 +1705,19 @@ HWTEST(MSLiteTest, OHOS_NNRT_0003, Function | MediumTest | Level1) {
     OH_AI_ModelHandle model = OH_AI_ModelCreate();
     ASSERT_NE(model, nullptr);
     printf("==========Build model==========\n");
-    OH_AI_Status ret = OH_AI_ModelBuildFromFile(model, "/data/test/aiy_vision_classifier_plants_V1_3.ms", OH_AI_MODELTYPE_MINDIR,
-                                   context);
+    OH_AI_Status ret = OH_AI_ModelBuildFromFile(model, "/data/test/ml_headpose_pb2tflite.ms",
+        OH_AI_MODELTYPE_MINDIR, context);
     printf("==========build model return code:%d\n", ret);
     ASSERT_EQ(ret, OH_AI_STATUS_SUCCESS);
     printf("==========GetInputs==========\n");
     OH_AI_TensorHandleArray inputs = OH_AI_ModelGetInputs(model);
     ASSERT_NE(inputs.handle_list, nullptr);
-    for (size_t i = 0; i < inputs.handle_num; ++i) {
-        OH_AI_TensorHandle tensor = inputs.handle_list[i];
-        int64_t element_num = OH_AI_TensorGetElementNum(tensor);
-        printf("Tensor name: %s, elements num: %" PRId64 ".\n", OH_AI_TensorGetName(tensor), element_num);
-        void *input_data = OH_AI_TensorGetMutableData(inputs.handle_list[i]);
-        ASSERT_NE(input_data, nullptr);
-        memcpy_s(input_data, size1, imageBuf, size1);
-    }
+    FillInputsData(inputs, "ml_headpose_pb2tflite", false);
     printf("==========Model Predict==========\n");
     OH_AI_TensorHandleArray outputs;
     ret = OH_AI_ModelPredict(model, inputs, &outputs, nullptr, nullptr);
     ASSERT_EQ(ret, OH_AI_STATUS_SUCCESS);
-    printf("==========GetOutput==========\n");
-    for (size_t i = 0; i < outputs.handle_num; ++i) {
-        OH_AI_TensorHandle tensor = outputs.handle_list[i];
-        int64_t element_num = OH_AI_TensorGetElementNum(tensor);
-        printf("Tensor name: %s, elements num: %" PRId64 ".\n", OH_AI_TensorGetName(tensor), element_num);
-        uint8_t *output_data = reinterpret_cast<uint8_t *>(OH_AI_TensorGetMutableData(tensor));
-        printf("output data is:");
-        for (int j = 0; j < element_num && j <= 20; ++j) {
-            printf("%d ", output_data[j]);
-        }
-        printf("\n");
-        printf("==========compFp32WithTData==========\n");
-        string expectedDataFile = "/data/test/aiy_vision_classifier_plants_V1_3" + std::to_string(i) + ".output";
-        bool result = compUint8WithTData(output_data, expectedDataFile, 0.01, 0.01, false);
-        EXPECT_EQ(result, true);
-    }
-    delete[] imageBuf;
+    CompareResult(outputs, "ml_headpose_pb2tflite", 0.02, 0.02);
     OH_AI_ModelDestroy(&model);
 }
+