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 5631b10..bd071a4 100644
--- a/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
+++ b/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
@@ -28,9 +28,14 @@
 #include "ut/parser/parser_ut_utils.h"
 #include "external/ge/ge_api_types.h"
 #include "parser/common/proto_file_parser.h"
+#include "omg/parser/parser_factory.h"
+#include "parser/caffe/caffe_parser.h"
 #undef protected
 #undef private
 
+using namespace domi;
+using namespace testing;
+
 namespace ge {
 class UtestAclGraphParser : public testing::Test {
  protected:
@@ -104,8 +109,9 @@ TEST_F(UtestAclGraphParser, test_parse_acl_output_nodes) {
 TEST_F(UtestAclGraphParser, test_CheckConflictOp)
 {
   ge::ProtoFileParser op;
-  char *caffe_proto_file = "/dev/null";
-  char *custom_proto_file = "/dev/null";
+  std::string custom_file = "/dev/null";
+  const char *caffe_proto_file = custom_file.c_str();
+  const char *custom_proto_file = custom_file.c_str();
   std::map<std::string, std::pair<int, string>> caffe_op_identifier_map;
   std::map<std::string, std::pair<int, string>> custom_op_identifier_map;
   custom_op_identifier_map.insert(std::make_pair("ge", std::make_pair(1, "ge")));
@@ -120,8 +126,9 @@ TEST_F(UtestAclGraphParser, test_CheckConflictOp)
 TEST_F(UtestAclGraphParser, test_CheckConflictIdentifier)
 {
   ge::ProtoFileParser op;
-  char *caffe_proto_file = "/dev/null";
-  char *custom_proto_file = "/dev/null";
+  std::string custom_file = "/dev/null";
+  const char *caffe_proto_file = custom_file.c_str();
+  const char *custom_proto_file = custom_file.c_str();
   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")));
@@ -136,12 +143,80 @@ TEST_F(UtestAclGraphParser, test_CheckConflictIdentifier)
 TEST_F(UtestAclGraphParser, test_AddCustomAndConflictLayer)
 {
   Status ret;
-  char *custom_proto_file = "/dev/null";
+  std::string custom_file = "/dev/null";
+  const char *custom_proto_file = custom_file.c_str();
   ge::ProtoFileParser op;
   std::ofstream write_tmp;
   ret = op.ProtoFileParser::AddCustomAndConflictLayer(custom_proto_file, write_tmp);
   EXPECT_EQ(ret, SUCCESS);
 }
 
+TEST_F(UtestAclGraphParser, test_FindConflictLine)
+{
+  Status ret;
+  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);
+  EXPECT_EQ(ret, FAILED);
+}
+
+TEST_F(UtestAclGraphParser, test_ParseProtoFile)
+{
+  Status ret;
+  ProtoFileParser op;
+  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";
+  ret = op.ParseProtoFile(proto_file, identifier_op_map, op_identifier_map);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+TEST_F(UtestAclGraphParser, test_AddCustomAndConflictMessage)
+{
+  Status ret;
+  ProtoFileParser op;
+  std::ofstream write_tmp;
+  std::string file = "../parser/caffe/caffe_parser.h";
+  const char *proto_file = file.c_str();
+  ret = op.AddCustomAndConflictMessage(proto_file, write_tmp);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+TEST_F(UtestAclGraphParser, test_RecordProtoMessage)
+{
+  Status ret;
+  ProtoFileParser op;
+  std::string file = "../parser/caffe/caffe_parser.h";
+  const char *proto_file = file.c_str();
+  ret = op.RecordProtoMessage(proto_file);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+
+TEST_F(UtestAclGraphParser, test_WriteCaffeProtoFile)
+{
+  Status ret;
+  ProtoFileParser op;
+  std::string file = "../parser/caffe/caffe_parser.h";
+  const char *proto_file = file.c_str();
+  std::ifstream read_caffe("../parser/caffe/caffe_parser.h", std::ifstream::in);
+  std::ofstream write_tmp("/dev/null", std::ifstream::in);
+  ret = op.WriteCaffeProtoFile(proto_file, read_caffe, write_tmp);
+  EXPECT_EQ(ret, SUCCESS);
+}
+
+TEST_F(UtestAclGraphParser, test_CreatProtoFile)
+{
+  Status ret;
+  ProtoFileParser op;
+  op.fusion_proto_path = "/ge/ge/ge/ge.c";
+  ret = op.CreatProtoFile();
+  EXPECT_EQ(ret, FAILED);
+}
+
 
 } // namespace ge
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