diff --git a/parser/caffe/caffe_parser.cc b/parser/caffe/caffe_parser.cc
index 489d7a8..25b5f95 100644
--- a/parser/caffe/caffe_parser.cc
+++ b/parser/caffe/caffe_parser.cc
@@ -1439,7 +1439,7 @@ Status CaffeModelParser::Parse(const char *model_path, ge::ComputeGraphPtr &grap
   bool has_error = false;
   GE_CHECK_NOTNULL(model_path);
   GE_CHECK_NOTNULL(graph);
-  GELOGI("Caffe Parse model file %s", model_path);
+  GELOGI("Caffe Parse model file [%s]", model_path);
 
   PreChecker::Instance().Clear();
 
diff --git a/parser/common/pre_checker.cc b/parser/common/pre_checker.cc
index 00e7d12..21d54b8 100644
--- a/parser/common/pre_checker.cc
+++ b/parser/common/pre_checker.cc
@@ -99,7 +99,7 @@ Status PreChecker::CheckName(OpId id) {
     if (id != v.first && info.name == v.second.name) {
       Cause cause;
       cause.code = ErrorCode::NAME_REPEATED;
-      cause.message = "The name is repeated.";
+      cause.message = "The name is repeated in the graph.";
 
       GELOGE(FAILED, "opname %s repeated, same name op in the graph", info.name.c_str());
       ErrorManager::GetInstance().ATCReportErrMessage("E19009", {"opname"}, {info.name});
@@ -250,11 +250,9 @@ Status PreChecker::CheckTypeSupported(OpId id, const string &type, const string
       Cause cause;
       cause.code = ErrorCode::TYPE_UNSUPPORTED;
       cause.message = "The type is not supported.";
+      GELOGI("Check op[%s]'s type[%s] is not supported.", name.c_str(), type.c_str());
       if (!is_tensorflow) {
         ErrorManager::GetInstance().ATCReportErrMessage("E19010", {"opname", "optype"}, {name, type});
-        GELOGE(FAILED, "Check op[%s]'s type[%s] failed, it is not supported.", name.c_str(), type.c_str());
-      } else {
-        GELOGI("Check op[%s]'s type[%s] is not supported.", name.c_str(), type.c_str());
       }
       GE_RETURN_WITH_LOG_IF_ERROR(AddCause(id, cause), "[Add][Cause] failed.");
     }
diff --git a/tests/st/testcase/test_caffe_parser.cc b/tests/st/testcase/test_caffe_parser.cc
index 4e37ffe..81c655c 100644
--- a/tests/st/testcase/test_caffe_parser.cc
+++ b/tests/st/testcase/test_caffe_parser.cc
@@ -36,6 +36,7 @@
 #include "parser/caffe/caffe_op_parser.h"
 #include "graph/operator_reg.h"
 #include "parser/common/acl_graph_parser_util.h"
+#include "common/op_map.h"
 #undef protected
 #undef private
 
@@ -223,6 +224,10 @@ TEST_F(STestCaffeParser, acl_caffe_parser) {
   EXPECT_EQ(ret, GRAPH_FAILED);
   ret = ge::aclgrphParseCaffe(model_file.c_str(), weight_file.c_str(), graph);
   EXPECT_EQ(ret, GRAPH_FAILED);
+
+  caffe_op_map.clear();
+  ret = ge::aclgrphParseCaffe(model_file.c_str(), weight_file.c_str(), parser_params, graph);
+  EXPECT_EQ(ret, GRAPH_FAILED);
 }
 
 TEST_F(STestCaffeParser, modelparser_parsefrommemory_success)
diff --git a/tests/st/testcase/test_tensorflow_parser.cc b/tests/st/testcase/test_tensorflow_parser.cc
index ca226d9..582b75e 100644
--- a/tests/st/testcase/test_tensorflow_parser.cc
+++ b/tests/st/testcase/test_tensorflow_parser.cc
@@ -2832,6 +2832,15 @@ TEST_F(STestTensorflowParser, tensorflow_AddControlEdgeAfterRemoveInputs_test)
   removed_inputs_vec.emplace_back("Add0");
   Status ret = tensorflow_parser.AddControlEdgeAfterRemoveInputs(&graph_def, node_def, all_node_map, removed_inputs_vec);
   EXPECT_EQ(ret, SUCCESS);
+    
+  tensorflow::NodeDef *node_swith = initNodeDef();
+  node_swith->set_name("switch_op");
+  node_swith->set_op(parser::SWITCH);
+  all_node_map.emplace("switch_op", node_swith);
+  removed_inputs_vec.clear();
+  removed_inputs_vec.emplace_back("switch_op");
+  ret = tensorflow_parser.AddControlEdgeAfterRemoveInputs(&graph_def, node_swith, all_node_map, removed_inputs_vec);
+  EXPECT_EQ(ret, SUCCESS);
 }
 
 TEST_F(STestTensorflowParser, tensorflow_GraphDefOptimizeIdentity_test)
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 364827d..cbf06c8 100755
--- a/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
+++ b/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
@@ -39,6 +39,7 @@
 #include "graph/operator_reg.h"
 #include "parser/common/acl_graph_parser_util.h"
 #include "parser/caffe/caffe_reshape_parser.h"
+#include "common/op_map.h"
 #undef protected
 #undef private
 
@@ -266,6 +267,10 @@ TEST_F(UtestCaffeParser, acl_caffe_parser) {
   EXPECT_EQ(ret, GRAPH_FAILED);
   ret = ge::aclgrphParseCaffe(model_file.c_str(), weight_file.c_str(), graph);
   EXPECT_EQ(ret, GRAPH_FAILED);
+  
+  caffe_op_map.clear();
+  ret = ge::aclgrphParseCaffe(model_file.c_str(), weight_file.c_str(), parser_params, graph);
+  EXPECT_EQ(ret, GRAPH_FAILED);
 }
 
 TEST_F(UtestCaffeParser, ParseFromMemory_success)
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 d022361..ec3ac01 100755
--- a/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
+++ b/tests/ut/parser/testcase/common/acl_graph_parser_unittest.cc
@@ -34,6 +34,7 @@
 #include "parser/common/pass_manager.h"
 #include "parser/common/tbe_plugin_loader.h"
 #include "parser/common/parser_fp16_t.h"
+#include "parser/common/pre_checker.h"
 #undef protected
 #undef private
 
@@ -342,4 +343,15 @@ TEST_F(UtestAclGraphParser, test_operatoreq)
   int8 = fp16;
 }
 
+TEST_F(UtestAclGraphParser, test_pre_checker) {
+  PreChecker::Instance().fmk_op_types_ = nullptr;
+  const char* str = "iiii";
+  PreChecker::OpId id = str;
+  std::string type("ddd");
+  std::string name("lll");
+  Status ret = PreChecker::Instance().CheckTypeSupported(id, type, name, false);
+  EXPECT_EQ(ret, FAILED);
+  ret = PreChecker::Instance().CheckTypeSupported(id, type, name, true);
+  EXPECT_EQ(ret, FAILED);
+}
 } // namespace ge
\ No newline at end of file