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 55cdfe2..feff339 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
@@ -76,6 +76,7 @@
 #include "parser/tensorflow/graph_optimizer.h"
 #include "metadef/inc/register/scope/scope_pass_registry_impl.h"
 #include "register/scope/scope_fusion_pass_register.h"
+#include "common/op_map.h"
 #undef protected
 #undef private
 
@@ -90,6 +91,15 @@ using namespace google::protobuf;
 static const string GRAPH_DEFAULT_NAME = "default";
 
 namespace ge {
+struct DelTransposeInfo {
+  domi::tensorflow::NodeDef *node_def;     // transpose
+  domi::tensorflow::NodeDef *nextNodeDef;  // transpose --> [next]
+  int inputIdx;
+};
+
+Status GetTransposeInfo(GraphDef *graph_def, std::map<std::string, std::string> &softmaxInfo,
+                        std::map<std::string, DelTransposeInfo> &transposeInfo);
+
 class UtestTensorflowParser : public testing::Test {
  protected:
   void SetUp() {
@@ -161,12 +171,6 @@ 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();
@@ -4492,6 +4496,8 @@ TEST_F(UtestTensorflowParser, tensorflow_EraseNormalOpOutputIfChild)
 
   ret = modelParser.EraseNormalOpOutputIfChild(scope_graph, op_node_name, normal_op_node_context);
   EXPECT_EQ(ret, SUCCESS);
+
+  delete node;
 }
 
 TEST_F(UtestTensorflowParser, tensorflow_UpdateNormalOpContext)
@@ -4552,4 +4558,64 @@ TEST_F(UtestTensorflowParser, tensorflow_OptimizeTranspose)
   delete info.nextNodeDef;
 }
 
+TEST_F(UtestTensorflowParser, tensorflow_SoftmaxAddAttr)
+{
+  TensorFlowModelParser modelParser;
+  domi::tensorflow::GraphDef graph_def;
+  graph_def.add_node();
+  modelParser.SoftmaxAddAttr(&graph_def);
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_InferInputFormats)
+{
+  domiTensorFormat_t ret;
+  TensorFlowModelParser modelParser;
+
+  GetParserContext().format = DOMI_TENSOR_RESERVED;
+  
+  NodeDef *node = MallocNodeDef("node", "DATA");
+  modelParser.nodedef_map_["node"] = node;
+  tensorflow_op_map["DATA"] = "node";
+  ret = modelParser.InferInputFormats();
+  EXPECT_EQ(ret, domi::DOMI_TENSOR_NHWC);
+  delete node;
+  
+  NodeDef* node1 = nullptr;
+  modelParser.nodedef_map_["node"] = node1;
+
+  ret = modelParser.InferInputFormats();
+  EXPECT_EQ(ret, domi::DOMI_TENSOR_RESERVED);
+}
+
+TEST_F(UtestTensorflowParser, tensorflow_GetTransposeInfo)
+{
+  Status ret;
+  DelTransposeInfo info;
+  tensorflow::GraphDef *graph = new tensorflow::GraphDef();
+  std::map<std::string, std::string> softmaxInfo = {{"ge", "ge"}};
+
+  info.node_def = new NodeDef();
+  info.nextNodeDef = new NodeDef();
+  info.node_def->add_input("ge");
+  info.nextNodeDef->add_input("ge");
+  info.inputIdx = 0;
+
+  NodeDef *node = graph->add_node();
+  node->set_op("Transpose");
+
+  std::map<std::string, DelTransposeInfo> transposeInfo = {{"Softmax", info}};
+  ret = ge::GetTransposeInfo(graph, softmaxInfo, transposeInfo);
+  EXPECT_EQ(ret, SUCCESS);
+
+  node->set_op("Softmax");
+  node->set_name("Softmax");
+  node->add_input("Softmax");
+  ret = ge::GetTransposeInfo(graph, softmaxInfo, transposeInfo);
+  EXPECT_EQ(ret, SUCCESS);
+
+  delete info.node_def;
+  delete info.nextNodeDef;
+  delete graph;
+}
+
 } // namespace ge