diff --git a/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc b/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
index 9dbaa1f..1b56c38 100644
--- a/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
+++ b/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
@@ -42,6 +42,11 @@
 #undef protected
 #undef private
 
+#include <google/protobuf/compiler/importer.h>
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/text_format.h>
+
 using namespace domi::caffe;
 using namespace ge;
 
@@ -739,6 +744,16 @@ TEST_F(UtestCaffeParser, CaffeModelParser_GetCustomOp_test)
 
   Status ret = model_parser.GetCustomOp(*layer, operators);
   EXPECT_EQ(ret, SUCCESS);
+
+  ge::Operator ops2("Conv", "Convolution");
+  model_parser.custom_operator_.push_back(ops2);
+  ret = model_parser.GetCustomOp(*layer, operators);
+  EXPECT_EQ(ret, SUCCESS);
+
+  ge::Operator ops("Data", "Input");
+  model_parser.custom_operator_.push_back(ops);
+  ret = model_parser.GetCustomOp(*layer, operators);
+  EXPECT_EQ(ret, SUCCESS);
 }
 
 TEST_F(UtestCaffeParser, CaffeModelParser_AddTensorDescToOpDesc_test)
@@ -986,4 +1001,104 @@ TEST_F(UtestCaffeParser, CaffeOpParser_ParseParams_test)
   EXPECT_EQ(ret, SUCCESS);
 }
 
+TEST_F(UtestCaffeParser, CaffeModelParser_FindShareParamLayers_test)
+{
+  CaffeModelParser modelParser;
+  std::map<std::string, std::vector<std::string>> layer_params_map;
+  std::vector<std::string> layer_params;
+  layer_params.emplace_back("Conv");
+  layer_params.emplace_back("Data");
+  layer_params.emplace_back("Abs");
+  layer_params_map.insert(std::make_pair("Abs", layer_params));
+  layer_params_map.insert(std::make_pair("Data", layer_params));
+  layer_params_map.insert(std::make_pair("Conv", layer_params));
+
+  Status ret = modelParser.FindShareParamLayers(layer_params_map);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+TEST_F(UtestCaffeParser, CaffeWeightsParser_ParseLayerParameter_test)
+{
+  CaffeWeightsParser weightParser;
+
+  domi::caffe::NetParameter net;
+  GetParserContext().type = domi::CAFFE;
+  domi::caffe::LayerParameter *layer = net.add_layer();
+  layer->set_name("Abs");
+  layer->set_type("AbsVal");
+
+  ge::ComputeGraphPtr compute_graph = build_graph(true);
+  const google::protobuf::Descriptor *descriptor = net.GetDescriptor();
+
+  Status ret = weightParser.ParseLayerParameter(descriptor, &net, compute_graph);
+  EXPECT_EQ(ret, PARAM_INVALID);
+}
+
+TEST_F(UtestCaffeParser, CaffeModelParser_ParseLayerParameter_test)
+{
+  CaffeModelParser modelParser;
+  domi::caffe::NetParameter net;
+  GetParserContext().type = domi::CAFFE;
+  domi::caffe::LayerParameter *layer = net.add_layer();
+  layer->set_name("Abs");
+  layer->set_type("AbsVal");
+
+  vector<ge::Operator> operators;
+  ge::OpDescPtr op_desc_src = std::make_shared<ge::OpDesc>("Data", "Input");
+  ge::Operator op_src = ge::OpDescUtils::CreateOperatorFromOpDesc(op_desc_src);
+  operators.emplace_back(op_src);
+
+  const google::protobuf::Descriptor *descriptor = net.GetDescriptor();
+  Status ret = modelParser.ParseLayerParameter(descriptor, &net, operators);
+  EXPECT_EQ(ret, PARAM_INVALID);
+}
+
+TEST_F(UtestCaffeParser, CaffeModelParser_ReadModelWithoutWarning_test)
+{
+  CaffeModelParser modelParser;
+  std::string case_dir = __FILE__;
+  case_dir = case_dir.substr(0, case_dir.find_last_of("/"));
+  std::string model_file = case_dir + "/caffe_model/caffe.pbtxt";
+  const char *model_path = model_file.c_str();
+
+  domi::caffe::NetParameter net;
+  domi::caffe::LayerParameter *layer = net.add_layer();
+  layer->set_name("Abs");
+  layer->set_type("AbsVal");
+
+  Status ret = modelParser.ReadModelWithoutWarning(model_path, &net);
+  EXPECT_EQ(ret, FAILED);
+}
+
+TEST_F(UtestCaffeParser, CaffeModelParser_AddBlobsToMap_test)
+{
+  CaffeModelParser modelParser;
+  domi::caffe::NetParameter net;
+  domi::caffe::LayerParameter *layer = net.add_layer();
+  layer->set_name("Abs");
+  layer->set_type("AbsVal");
+  std::map<std::string, std::string> inplace_blob_name_remapping{{"bottom", "AbsVal"}};
+
+  layer->add_top("top");
+  layer->add_bottom("bottom");
+  modelParser.AddBlobsToMap(*layer, inplace_blob_name_remapping);
+}
+
+TEST_F(UtestCaffeParser, CaffeWeightsParser_ParseWeightByFusionProto_test2)
+{
+  std::string case_dir = __FILE__;
+  case_dir = case_dir.substr(0, case_dir.find_last_of("/"));
+  std::string model_file = case_dir + "/caffe_model/caffe_abs.pbtxt";
+  const char *weight_path = model_file.c_str();
+  std::string fusion_proto_path = case_dir + "/caffe_model/custom.proto";
+  string fusion_proto_name = "domi.caffe.NetParameter";
+  vector<ge::Operator> operators;
+  ge::OpDescPtr op_desc_src = std::make_shared<ge::OpDesc>("Data", "Input");
+  ge::Operator op_src = ge::OpDescUtils::CreateOperatorFromOpDesc(op_desc_src);
+  operators.emplace_back(op_src);
+
+  CaffeModelParser modelParser;
+  modelParser.ParseNetModelByCustomProto(weight_path, fusion_proto_path, fusion_proto_name, operators);
+}
+
 } // namespace ge
diff --git a/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc b/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
index bd071a4..862744c 100644
--- a/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
+++ b/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
@@ -30,11 +30,16 @@
 #include "parser/common/proto_file_parser.h"
 #include "omg/parser/parser_factory.h"
 #include "parser/caffe/caffe_parser.h"
+#include "register/register.h"
+#include "parser/common/pass_manager.h"
+#include "parser/common/tbe_plugin_loader.h"
 #undef protected
 #undef private
 
+#include <dlfcn.h>
 using namespace domi;
 using namespace testing;
+using namespace ge;
 
 namespace ge {
 class UtestAclGraphParser : public testing::Test {
@@ -119,16 +124,15 @@ TEST_F(UtestAclGraphParser, test_CheckConflictOp)
   op.CheckConflictOp(caffe_proto_file, custom_proto_file, caffe_op_identifier_map, custom_op_identifier_map);
 
   caffe_op_identifier_map.clear();
-   caffe_op_identifier_map.insert(std::make_pair("ge", std::make_pair(2, "ge")));
+  caffe_op_identifier_map.insert(std::make_pair("ge", std::make_pair(2, "ge")));
   op.CheckConflictOp(caffe_proto_file, custom_proto_file, caffe_op_identifier_map, custom_op_identifier_map);
 }
 
 TEST_F(UtestAclGraphParser, test_CheckConflictIdentifier)
 {
   ge::ProtoFileParser op;
-  std::string custom_file = "/dev/null";
-  const char *caffe_proto_file = custom_file.c_str();
-  const char *custom_proto_file = custom_file.c_str();
+  char *caffe_proto_file = "/dev/null";
+  char *custom_proto_file = "/dev/null";
   std::map<int, std::pair<string, string>> caffe_op_identifier_map;
   std::map<int, std::pair<string, string>> custom_op_identifier_map;
   custom_op_identifier_map.insert(std::make_pair(1, std::make_pair("ge", "ge")));
@@ -143,12 +147,15 @@ TEST_F(UtestAclGraphParser, test_CheckConflictIdentifier)
 TEST_F(UtestAclGraphParser, test_AddCustomAndConflictLayer)
 {
   Status ret;
-  std::string custom_file = "/dev/null";
-  const char *custom_proto_file = custom_file.c_str();
+  char *custom_proto_file = "../parser/caffe/caffe_parser.h";
   ge::ProtoFileParser op;
   std::ofstream write_tmp;
   ret = op.ProtoFileParser::AddCustomAndConflictLayer(custom_proto_file, write_tmp);
   EXPECT_EQ(ret, SUCCESS);
+
+  custom_proto_file = "/dev/ge";
+  ret = op.ProtoFileParser::AddCustomAndConflictLayer(custom_proto_file, write_tmp);
+  EXPECT_EQ(ret, FAILED);
 }
 
 TEST_F(UtestAclGraphParser, test_FindConflictLine)
@@ -157,10 +164,14 @@ TEST_F(UtestAclGraphParser, test_FindConflictLine)
   ProtoFileParser op;
   int identifier = 0;
   std::string dest_line;
-  std::string file = "../parser/caffe/caffe_parser.h";
-  const char *proto_file = file.c_str();
-  ret = op.FindConflictLine(proto_file, identifier, dest_line);
+  string search_string("message=1,LayerParameter=1");
+  string search_string1("optional=1 repeated=2 required=3 ");
+  ret = op.FindConflictLine("../tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc", identifier, dest_line);
   EXPECT_EQ(ret, FAILED);
+
+  identifier = 1;
+  ret = op.FindConflictLine("../tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc", identifier, dest_line);
+  EXPECT_EQ(ret, SUCCESS);
 }
 
 TEST_F(UtestAclGraphParser, test_ParseProtoFile)
@@ -170,7 +181,7 @@ TEST_F(UtestAclGraphParser, test_ParseProtoFile)
   std::string dest_line;
   std::map<int, std::pair<string, string>> identifier_op_map;
   std::map<std::string, std::pair<int, string>> op_identifier_map;
-  string proto_file = "../parser/caffe/caffe_parser.h";
+  string proto_file = "../tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc";
   ret = op.ParseProtoFile(proto_file, identifier_op_map, op_identifier_map);
   EXPECT_EQ(ret, SUCCESS);
 }
@@ -218,5 +229,45 @@ TEST_F(UtestAclGraphParser, test_CreatProtoFile)
   EXPECT_EQ(ret, FAILED);
 }
 
+TEST_F(UtestAclGraphParser, test_Finalize)
+{
+  bool ret;
+  bool is_train = true;
+  ge::OpRegistrationTbe op;
+  ge::OpRegistrationData reg_data("c");
+  ret = op.Finalize(reg_data, is_train);
+  EXPECT_EQ(ret, false);
+}
+
+TEST_F(UtestAclGraphParser, test_WriteProtoFile)
+{
+  Status ret;
+  ProtoFileParser op;
+  char *caffe_proto_file = "/dev/null";
+  char *custom_proto_file = "/ge/ge/ge/ge.c";
+  ret = op.WriteProtoFile(caffe_proto_file, custom_proto_file);
+  EXPECT_EQ(ret, FAILED);
+}
+
+TEST_F(UtestAclGraphParser, test_GraphPasses)
+{
+  std::vector<std::pair<std::string, GraphPass *>> v;
+  ge::parser::PassManager manager;
+  v = manager.GraphPasses();
+}
+
+TEST_F(UtestAclGraphParser, test_ClearHandles_)
+{
+  Status ret;
+  TBEPluginLoader loader;
+  void *handle = dlopen("/lib/libdmmp.so", RTLD_NOW | RTLD_GLOBAL | RTLD_NODELETE);
+  if (handle == nullptr) {
+    return;
+  }
+  loader.handles_vec_.push_back(handle);
+  dlclose(handle);
+  ret = loader.ClearHandles_();
+  EXPECT_EQ(ret, SUCCESS);
+}
 
 } // namespace ge
\ No newline at end of file
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 864b3c2..0b50fd3 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
@@ -387,4 +387,39 @@ TEST_F(UtestOnnxParser, onnx_test_ModelParseToGraph)
   EXPECT_EQ(ret, FAILED);
 }
 
+TEST_F(UtestOnnxParser, onnx_test_ParseFromMemory)
+{
+  OnnxModelParser modelParser;
+  char *data = nullptr;
+  uint32_t size = 1;
+  ge::Graph graph;
+
+  Status ret = modelParser.ParseFromMemory(data, size, graph);
+  EXPECT_EQ(ret, FAILED);
+}
+
+TEST_F(UtestOnnxParser, onnx_test_Parse)
+{
+  OnnxModelParser modelParser;
+  const char *file = nullptr;
+  ge::Graph graph;
+
+  Status ret = modelParser.Parse(file, graph);
+  EXPECT_EQ(ret, FAILED);
+}
+
+TEST_F(UtestOnnxParser, onnx_test_GetModelFromMemory)
+{
+  OnnxModelParser modelParser;
+  const char *data = "ut/parser/testcase/onnx_parser_testcase";
+  uint32_t size = 1;
+  ge::onnx::ModelProto model_proto;
+
+  Status ret = modelParser.GetModelFromMemory(data, size, model_proto);
+  EXPECT_EQ(ret, FAILED);
+
+  ret = modelParser.GetModelFromFile(data, model_proto);
+  EXPECT_EQ(ret, FAILED);
+}
+
 } // 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 8d15701..e9b837e 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
@@ -97,6 +97,11 @@ struct DelTransposeInfo {
   int inputIdx;
 };
 
+/*
+  message=1,LayerParameter=1
+  optional =1 repeated =1 required =1
+  */
+
 Status GetTransposeInfo(GraphDef *graph_def, std::map<std::string, std::string> &softmaxInfo,
                         std::map<std::string, DelTransposeInfo> &transposeInfo);