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
index 8241b72..3fa0261 100644
--- a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
+++ b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
@@ -25,12 +25,12 @@
 #include "ut/parser/parser_ut_utils.h"
 #include "external/ge/ge_api_types.h"
 #include "tests/depends/ops_stub/ops_stub.h"
-#include "parser/onnx/onnx_parser.h"
 
 #define protected public
 #define private public
 #include "parser/onnx/onnx_constant_parser.h"
 #include "parser/onnx/onnx_util.h"
+#include "parser/onnx/onnx_parser.h"
 #undef protected
 #undef private
 
@@ -315,4 +315,62 @@ TEST_F(UtestOnnxParser, OnnxConstantParser_ParseConvertDataType_test)
   EXPECT_EQ(ret, FAILED);
 }
 
+TEST_F(UtestOnnxParser, OnnxModelParser_ParseInput_test)
+{
+  OnnxModelParser model_parser;
+  ge::onnx::ModelProto model_proto;
+  ge::onnx::GraphProto graph = model_proto.graph();
+  std::map<std::string, ge::onnx::TensorProto> initializer_name_tensor;
+  bool is_subgraph = false;
+
+  Status ret = model_parser.ParseInput(initializer_name_tensor, is_subgraph, graph);
+  EXPECT_EQ(ret, domi::FAILED);
+
+  ret = model_parser.ParseOutput(graph);
+  EXPECT_EQ(ret, domi::FAILED);
+}
+
+TEST_F(UtestOnnxParser, onnx_test_ConstructOriType)
+{
+  ge::onnx::ModelProto model_proto;
+  ge::onnx::GraphProto* graph = model_proto.mutable_graph();
+  ge::onnx::NodeProto* add_node = graph->add_node();
+  add_node->set_op_type("Add");
+  add_node->set_domain("ai.onnx");
+
+  OnnxModelParser onnx_parser ;
+  onnx_parser.domain_verseion_["ai.onnx"] = 11;
+  string ori_type;
+  Status ret = onnx_parser.ConstructOriType(add_node, ori_type);
+  EXPECT_EQ(ret, domi::SUCCESS);
+
+  ge::onnx::NodeProto* add_node1 = graph->add_node();
+  add_node1->set_op_type("Add1");
+  add_node1->set_domain("add.onnx");
+  string op_type;
+  ret = onnx_parser.AdapterOpType(add_node1, ori_type, op_type);
+  EXPECT_EQ(ret, ge::PARAM_INVALID);
+
+  add_node->set_op_type("Add1");
+  ret = onnx_parser.AdapterOpType(add_node, ori_type, op_type);
+  EXPECT_EQ(ret, PARAM_INVALID);
+}
+
+TEST_F(UtestOnnxParser, onnx_test_TransNodeToOperator)
+{
+  ge::onnx::ModelProto model_proto;
+  ge::onnx::GraphProto* graph = model_proto.mutable_graph();
+  ge::onnx::NodeProto *node_proto = graph->add_node();
+  node_proto->set_op_type("Add1");
+  node_proto->set_domain("add.onnx");
+  node_proto->set_name("Conv2D");
+  ge::OpDescPtr op_desc_src = std::make_shared<ge::OpDesc>("Add", "add.onnx");
+  ge::Operator op = ge::OpDescUtils::CreateOperatorFromOpDesc(op_desc_src);
+  std::string op_type = "Add";
+
+  OnnxModelParser onnx_parser;
+  Status ret = onnx_parser.TransNodeToOperator(node_proto, op, op_type);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
 } // namespace ge
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
index fa7c547..55cdfe2 100644
--- a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
+++ b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
@@ -161,6 +161,12 @@ void UtestTensorflowParser::RegisterCustomOp() {
   domi::OpRegistry::Instance()->registrationDatas.clear();
 }
 
+struct DelTransposeInfo {
+  domi::tensorflow::NodeDef *node_def;     // transpose
+  domi::tensorflow::NodeDef *nextNodeDef;  // transpose --> [next]
+  int inputIdx;
+};
+
 namespace {
   NodeDef* AddNode(GraphDef& graph, string type, string name) {
     NodeDef* nodeDef = graph.add_node();
@@ -4341,4 +4347,209 @@ TEST_F(UtestTensorflowParser, tensorflow_IsFusionOpChild)
   ASSERT_EQ(ret, true);
 }
 
+TEST_F(UtestTensorflowParser, tensorflow_UpdateAllNodeOpContext)
+{
+  TensorFlowModelParser modelParser;
+  Status ret;
+  auto scope_graph = ge::parser::MakeShared<ge::ScopeGraph>();
+  if (scope_graph == nullptr) {
+    GELOGE(FAILED, "Scope graph make shared failed.");
+    return;
+  }
+  if (scope_graph->Init() != SUCCESS) {
+    GELOGE(FAILED, "Scope graph init failed.");
+    return;
+  }
+
+  ge::ScopeFusionOpInfo info;
+  info.node_name = "node_name";
+  info.fusion_node_name = "fusion_node_name";
+  info.fusion_op_type = "fusion_op_type";
+  info.description = "description";
+  info.scope_pass = "scope_pass";
+  modelParser.fusion_op_children_["Const"] = info;
+  ge::OpNodeContext op_node_context;
+  op_node_context.input_map["pre_node_a"].push_back({0, 0});
+  op_node_context.input_map["pre_node_ctrl_in"].push_back({-1, -1}); // ctrl edges
+  op_node_context.output_map["post_node_b"].push_back({0, 0});
+  op_node_context.output_map["post_node_c"].push_back({1, 0});
+  op_node_context.output_map["post_node_d"].push_back({-1, -1});
+  op_node_context.output_map["_Retval"].push_back({0, 1});
+  modelParser.op_node_context_map_["Const"] = op_node_context;
+  NodeDef *node = initNodeDef();
+  node->set_op("NULL");
+  modelParser.nodedef_map_["Const"] = node;
+  std::vector<std::string> op_node_name_list = {"Const"};
+
+  ret = modelParser.UpdateAllNodeOpContext(scope_graph, op_node_name_list);
+  EXPECT_EQ(ret, SUCCESS);
+
+  delete node;
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_UppdateInputMap)
+{
+  TensorFlowModelParser modelParser;
+  Status ret;
+  auto scope_graph = ge::parser::MakeShared<ge::ScopeGraph>();
+  if (scope_graph == nullptr) {
+    GELOGE(FAILED, "Scope graph make shared failed.");
+    return;
+  }
+  if (scope_graph->Init() != SUCCESS) {
+    GELOGE(FAILED, "Scope graph init failed.");
+    return;
+  }
+
+  ge::ScopeFusionOpInfo info;
+  ge::OpNodeContext fusion_op_node_context, normal_op_node_context;
+  info.node_name = "node_name";
+  info.fusion_node_name = "fusion_node_name";
+  info.fusion_op_type = "fusion_op_type";
+  info.description = "description";
+  info.scope_pass = "scope_pass";
+  modelParser.fusion_op_children_["Const"] = info;
+  normal_op_node_context.input_map["Const"].push_back({0, 1});
+  normal_op_node_context.output_map["Const"].push_back({0, 1});
+  fusion_op_node_context.output_map["Const"].push_back({0, 1});
+
+  NodeDef *node = initNodeDef();
+  node->set_op("NULL");
+  modelParser.nodedef_map_["Const"] = node;
+  ret = modelParser.UppdateInputMap(scope_graph, info, fusion_op_node_context, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+
+  ge::ScopeFusionOpInfo info1;
+  info1.fusion_node_name = "no fusion_node_name";
+  ret = modelParser.UppdateInputMap(scope_graph, info1, fusion_op_node_context, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+
+  delete node;
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_UppdateOutputMap)
+{
+  TensorFlowModelParser modelParser;
+  Status ret;
+  auto scope_graph = ge::parser::MakeShared<ge::ScopeGraph>();
+  if (scope_graph == nullptr) {
+    GELOGE(FAILED, "Scope graph make shared failed.");
+    return;
+  }
+  if (scope_graph->Init() != SUCCESS) {
+    GELOGE(FAILED, "Scope graph init failed.");
+    return;
+  }
+
+  ge::ScopeFusionOpInfo info;
+  ge::OpNodeContext fusion_op_node_context, normal_op_node_context;
+  info.node_name = "node_name";
+  info.fusion_node_name = "fusion_node_name";
+  info.fusion_op_type = "fusion_op_type";
+  info.description = "description";
+  info.scope_pass = "scope_pass";
+  modelParser.fusion_op_children_["Const"] = info;
+  normal_op_node_context.output_map["Const"].push_back({0, 1});
+  ret = modelParser.UppdateOutputMap(scope_graph, info, fusion_op_node_context, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+
+  ge::ScopeFusionOpInfo info1;
+  info1.fusion_node_name = "no fusion_node_name";
+  ret = modelParser.UppdateOutputMap(scope_graph, info1, fusion_op_node_context, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_EraseNormalOpOutputIfChild)
+{
+  Status ret;
+  TensorFlowModelParser modelParser;
+  auto scope_graph = ge::parser::MakeShared<ge::ScopeGraph>();
+  if (scope_graph == nullptr) {
+    GELOGE(FAILED, "Scope graph make shared failed.");
+    return;
+  }
+  if (scope_graph->Init() != SUCCESS) {
+    GELOGE(FAILED, "Scope graph init failed.");
+    return;
+  }
+
+  const string op_node_name = "Const";
+  OpNodeContext normal_op_node_context;
+  normal_op_node_context.input_map["pre_node_a"].push_back({0, 0});
+  normal_op_node_context.output_map[op_node_name].push_back({0, 0});
+
+  ge::ScopeFusionOpInfo info;
+  info.node_name = "node_name";
+  info.fusion_node_name = "fusion_node_name";
+  info.fusion_op_type = "fusion_op_type";
+  info.description = "description";
+  info.scope_pass = "scope_pass";
+  modelParser.fusion_op_children_["Const"] = info;
+
+  NodeDef *node = initNodeDef();
+  node->set_op("NULL");
+  modelParser.nodedef_map_["Const"] = node;
+
+  ret = modelParser.EraseNormalOpOutputIfChild(scope_graph, op_node_name, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_UpdateNormalOpContext)
+{
+  Status ret;
+  TensorFlowModelParser modelParser;
+  auto scope_graph = ge::parser::MakeShared<ge::ScopeGraph>();
+  if (scope_graph == nullptr) {
+    GELOGE(FAILED, "Scope graph make shared failed.");
+    return;
+  }
+  if (scope_graph->Init() != SUCCESS) {
+    GELOGE(FAILED, "Scope graph init failed.");
+    return;
+  }
+
+  const string op_node_name = "Const";
+  OpNodeContext normal_op_node_context;
+  normal_op_node_context.input_map[op_node_name].push_back({0, 0});
+
+  ge::ScopeFusionOpInfo info;
+  info.node_name = "node_name";
+  info.fusion_node_name = "fusion_node_name";
+  info.fusion_op_type = "fusion_op_type";
+  info.description = "description";
+  info.scope_pass = "scope_pass";
+  modelParser.fusion_op_children_["Const"] = info;
+
+  NodeDef *node = initNodeDef();
+  node->set_op("NULL");
+  modelParser.nodedef_map_["Const"] = node;
+
+  ret = modelParser.UpdateNormalOpContext(scope_graph, op_node_name, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+
+  node->set_op("Const");
+  modelParser.nodedef_map_["Const"] = node;
+
+  ret = modelParser.UpdateNormalOpContext(scope_graph, op_node_name, normal_op_node_context);
+  EXPECT_EQ(ret, SUCCESS);
+
+  delete node;
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_OptimizeTranspose)
+{
+  TensorFlowModelParser modelParser;
+  DelTransposeInfo info;
+  info.node_def = new NodeDef();
+  info.nextNodeDef = new NodeDef();
+  info.node_def->add_input("ge");
+  info.nextNodeDef->add_input("ge");
+  info.inputIdx = 0;
+  std::map<std::string, DelTransposeInfo> transposeInfo = {{"ge", info}};
+  modelParser.OptimizeTranspose(transposeInfo);
+
+  delete info.node_def;
+  delete info.nextNodeDef;
+}
+
 } // namespace ge