diff --git a/parser/onnx/subgraph_adapter/subgraph_adapter.h b/parser/onnx/subgraph_adapter/subgraph_adapter.h
index afb2f96..b4cc051 100644
--- a/parser/onnx/subgraph_adapter/subgraph_adapter.h
+++ b/parser/onnx/subgraph_adapter/subgraph_adapter.h
@@ -36,7 +36,7 @@
 #include "proto/onnx/ge_onnx.pb.h"
 #include "external/register/register_error_codes.h"
 #include "framework/omg/parser/parser_types.h"
-#include "onnx_util.h"
+#include "parser/onnx/onnx_util.h"
 
 using Status = domi::Status;
 using namespace ge::parser;
diff --git a/tests/depends/error_manager/src/error_manager_stub.cc b/tests/depends/error_manager/src/error_manager_stub.cc
index 485fdfb..0e8cb2a 100644
--- a/tests/depends/error_manager/src/error_manager_stub.cc
+++ b/tests/depends/error_manager/src/error_manager_stub.cc
@@ -16,6 +16,12 @@
 
 #include "common/util/error_manager/error_manager.h"
 
+namespace ErrorMessage {
+int FormatErrorMessage(char *str_dst, size_t dst_max, const char *format, ...) {
+  return 0;
+}
+}
+
 ErrorManager &ErrorManager::GetInstance() {
 static ErrorManager instance;
 return instance;
diff --git a/tests/ut/parser/CMakeLists.txt b/tests/ut/parser/CMakeLists.txt
index 15bc5ac..ddfc6f1 100644
--- a/tests/ut/parser/CMakeLists.txt
+++ b/tests/ut/parser/CMakeLists.txt
@@ -254,6 +254,8 @@ set(PARSER_SRC_FILES
     "${PARSER_DIR}/parser/onnx/onnx_data_parser.cc"
     "${PARSER_DIR}/parser/onnx/onnx_parser.cc"
     "${PARSER_DIR}/parser/onnx/onnx_util.cc"
+    "${PARSER_DIR}/parser/onnx/subgraph_adapter/if_subgraph_adapter.cc"
+    "${PARSER_DIR}/parser/onnx/subgraph_adapter/subgraph_adapter_factory.cc"
     "${PARSER_DIR}/parser/tensorflow/graph_functiondef.cc"
     "${PARSER_DIR}/parser/tensorflow/graph_optimizer.cc"
     "${PARSER_DIR}/parser/tensorflow/iterator_fusion_pass.cc"
@@ -298,7 +300,8 @@ include_directories(${PARSER_DIR}/metadef/third_party/graphengine/inc/framework)
 
 
 set(PARSER_UT_FILES
-    "testcase/parser_unittest.cc"
+    "testcase/onnx_parser_testcase/onnx_parser_unittest.cc"
+    "testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc"
 )
 
 ############ libut_parser_common.a ############
diff --git a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_model/conv2d.onnx b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_model/conv2d.onnx
new file mode 100644
index 0000000..aa823ed
Binary files /dev/null and b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_model/conv2d.onnx differ
diff --git a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
new file mode 100644
index 0000000..532c42e
--- /dev/null
+++ b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
@@ -0,0 +1,97 @@
+/**
+ * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <iostream>
+#include "parser/common/op_parser_factory.h"
+#include "graph/operator_reg.h"
+#include "external/graph/types.h"
+#include "register/op_registry.h"
+#include "parser/common/register_tbe.h"
+#include "external/parser/onnx_parser.h"
+
+
+namespace ge {
+class UtestOnnxParser : public testing::Test {
+ protected:
+  void SetUp() {}
+
+  void TearDown() {}
+
+ public:
+  void RegisterCustomOp();
+};
+
+static Status ParseParams(const google::protobuf::Message* op_src, ge::Operator& op_dest) {
+  return SUCCESS;
+}
+
+void UtestOnnxParser::RegisterCustomOp() {
+  REGISTER_CUSTOM_OP("Conv2D")
+  .FrameworkType(domi::ONNX)
+  .OriginOpType("ai.onnx::11::Conv")
+  .ParseParamsFn(ParseParams);
+
+  std::vector<OpRegistrationData> reg_datas = domi::OpRegistry::Instance()->registrationDatas;
+  for (auto reg_data : reg_datas) {
+    OpRegistrationTbe::Instance()->Finalize(reg_data);
+    domi::OpRegistry::Instance()->Register(reg_data);
+  }
+  domi::OpRegistry::Instance()->registrationDatas.clear();
+}
+
+namespace {
+REG_OP(Data)
+    .INPUT(x, TensorType::ALL())
+    .OUTPUT(y, TensorType::ALL())
+    .ATTR(index, Int, 0)
+    .OP_END_FACTORY_REG(Data)
+
+REG_OP(Const)
+    .OUTPUT(y, TensorType({DT_FLOAT, DT_FLOAT16, DT_INT8, DT_INT16, DT_UINT16, \
+        DT_UINT8, DT_INT32, DT_INT64, DT_UINT32, DT_UINT64, DT_BOOL, DT_DOUBLE}))
+    .ATTR(value, Tensor, Tensor())
+    .OP_END_FACTORY_REG(Const)
+
+REG_OP(Conv2D)
+    .INPUT(x, TensorType({DT_FLOAT16, DT_FLOAT, DT_INT8}))
+    .INPUT(filter, TensorType({DT_FLOAT16, DT_FLOAT, DT_INT8}))
+    .OPTIONAL_INPUT(bias, TensorType({DT_FLOAT16, DT_FLOAT, DT_INT32}))
+    .OPTIONAL_INPUT(offset_w, TensorType({DT_INT8}))
+    .OUTPUT(y, TensorType({DT_FLOAT16, DT_FLOAT, DT_INT32}))
+    .REQUIRED_ATTR(strides, ListInt)
+    .REQUIRED_ATTR(pads, ListInt)
+    .ATTR(dilations, ListInt, {1, 1, 1, 1})
+    .ATTR(groups, Int, 1)
+    .ATTR(data_format, String, "NHWC")
+    .ATTR(offset_x, Int, 0)
+    .OP_END_FACTORY_REG(Conv2D)
+}
+
+TEST_F(UtestOnnxParser, onnx_parser_success) {
+  RegisterCustomOp();
+
+  std::string case_dir = __FILE__;
+  case_dir = case_dir.substr(0, case_dir.find_last_of("/"));
+  std::string model_file = case_dir + "/onnx_model/conv2d.onnx";
+  std::map<ge::AscendString, ge::AscendString> parser_params;
+  ge::Graph graph;
+  auto ret = ge::aclgrphParseONNX(model_file.c_str(), parser_params, graph);
+  EXPECT_EQ(ret, domi::SUCCESS);
+}
+
+
+} // namespace ge
\ No newline at end of file
diff --git a/tests/ut/parser/testcase/parser_unittest.cc b/tests/ut/parser/testcase/parser_unittest.cc
deleted file mode 100644
index 4885256..0000000
--- a/tests/ut/parser/testcase/parser_unittest.cc
+++ /dev/null
@@ -1,37 +0,0 @@
-/**
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <gtest/gtest.h>
-#include <iostream>
-
-#include "parser/common/op_parser_factory.h"
-
-
-namespace ge {
-class UtestParser : public testing::Test {
- protected:
-  void SetUp() {}
-
-  void TearDown() {}
-};
-
-TEST_F(UtestParser, base) {
-    std::shared_ptr<OpParserFactory> factory = OpParserFactory::Instance(domi::TENSORFLOW);
-    EXPECT_NE(factory, nullptr);
-}
-
-
-} // namespace ge
\ No newline at end of file
diff --git a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_model/add.pb b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_model/add.pb
new file mode 100644
index 0000000..b9a42a3
--- /dev/null
+++ b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_model/add.pb
@@ -0,0 +1,13 @@
+
+8
+PlaceholderPlaceholder*
+dtype0*
+shape:

+:
+
Placeholder_1Placeholder*
+dtype0*
+shape:

+6
+
+add_test_1AddPlaceholder
Placeholder_1*
+
T0"†

\ No newline at end of file
diff --git a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
new file mode 100644
index 0000000..9a7d910
--- /dev/null
+++ b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
@@ -0,0 +1,89 @@
+/**
+ * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <iostream>
+#include "parser/common/op_parser_factory.h"
+#include "graph/operator_reg.h"
+#include "external/graph/types.h"
+#include "register/op_registry.h"
+#include "parser/common/register_tbe.h"
+#include "external/parser/tensorflow_parser.h"
+
+
+namespace ge {
+class UtestTensorflowParser : public testing::Test {
+ protected:
+  void SetUp() {}
+
+  void TearDown() {}
+
+ public:
+  void RegisterCustomOp();
+};
+
+static Status ParseParams(const google::protobuf::Message* op_src, ge::Operator& op_dest) {
+  return SUCCESS;
+}
+
+void UtestTensorflowParser::RegisterCustomOp() {
+  REGISTER_CUSTOM_OP("Add")
+  .FrameworkType(domi::TENSORFLOW)
+  .OriginOpType("Add")
+  .ParseParamsFn(ParseParams);
+
+  std::vector<OpRegistrationData> reg_datas = domi::OpRegistry::Instance()->registrationDatas;
+  for (auto reg_data : reg_datas) {
+    OpRegistrationTbe::Instance()->Finalize(reg_data);
+    domi::OpRegistry::Instance()->Register(reg_data);
+  }
+  domi::OpRegistry::Instance()->registrationDatas.clear();
+}
+
+namespace {
+REG_OP(Data)
+    .INPUT(x, TensorType::ALL())
+    .OUTPUT(y, TensorType::ALL())
+    .ATTR(index, Int, 0)
+    .OP_END_FACTORY_REG(Data)
+
+REG_OP(Add)
+    .INPUT(x1, TensorType({DT_FLOAT, DT_INT32, DT_INT64, DT_FLOAT16, DT_INT16,
+                           DT_INT8, DT_UINT8, DT_DOUBLE, DT_COMPLEX128,
+                           DT_COMPLEX64, DT_STRING}))
+    .INPUT(x2, TensorType({DT_FLOAT, DT_INT32, DT_INT64, DT_FLOAT16, DT_INT16,
+                           DT_INT8, DT_UINT8, DT_DOUBLE, DT_COMPLEX128,
+                           DT_COMPLEX64, DT_STRING}))
+    .OUTPUT(y, TensorType({DT_FLOAT, DT_INT32, DT_INT64, DT_FLOAT16, DT_INT16,
+                           DT_INT8, DT_UINT8, DT_DOUBLE, DT_COMPLEX128,
+                           DT_COMPLEX64, DT_STRING}))
+    .OP_END_FACTORY_REG(Add)
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_parser_success) {
+  RegisterCustomOp();
+
+  std::string case_dir = __FILE__;
+  case_dir = case_dir.substr(0, case_dir.find_last_of("/"));
+  std::string model_file = case_dir + "/tensorflow_model/add.pb";
+  std::map<ge::AscendString, ge::AscendString> parser_params;
+  ge::Graph graph;
+  auto ret = ge::aclgrphParseTensorFlow(model_file.c_str(), parser_params, graph);
+  EXPECT_EQ(ret, domi::SUCCESS);
+}
+
+
+} // namespace ge
\ No newline at end of file