diff --git a/parser/caffe/caffe_parser.cc b/parser/caffe/caffe_parser.cc
index 24a3862..223dada 100644
--- a/parser/caffe/caffe_parser.cc
+++ b/parser/caffe/caffe_parser.cc
@@ -108,7 +108,7 @@ graphStatus aclgrphParseCaffe(const char *model_file, const char *weights_file,
     return ret;
   }
   GELOGI("Weights parse success. graph: %s", graph.GetName().c_str());
-  std::map<string, string> &parser_params;
+  std::map<string, string> parser_params;
   if (acl_graph_parse_util.SetOutputNodeInfo(graph, parser_params) != ge::SUCCESS) {
     GELOGE(ret, "Set graph %s default output node failed.", graph.GetName().c_str());
     return ge::FAILED;
@@ -134,7 +134,7 @@ graphStatus aclgrphParseCaffe(const char *model_file, const char *weights_file,
     return ge::FAILED;
   }
   // Create an empty computegraph
-  string graph_name = output_name.empty() ? "tmpGraph", output_name;
+  string graph_name = output_name.empty() ? "tmpGraph" : output_name;
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>(graph_name);
   GE_CHECK_NOTNULL(compute_graph);
 
diff --git a/parser/tensorflow/tensorflow_parser.cc b/parser/tensorflow/tensorflow_parser.cc
index 59c4973..473b007 100644
--- a/parser/tensorflow/tensorflow_parser.cc
+++ b/parser/tensorflow/tensorflow_parser.cc
@@ -113,7 +113,7 @@ graphStatus aclgrphParseTensorFlow(const char *model_file, ge::Graph &graph) {
     return ge::FAILED;
   }
 
-  std::map<string, string> &parser_params;
+  std::map<string, string> parser_params;
   if (acl_graph_parse_util.SetOutputNodeInfo(graph, parser_params) != ge::SUCCESS) {
     GELOGE(ret, "Set graph %s default output node failed.", graph.GetName().c_str());
     return ge::FAILED;
@@ -140,7 +140,7 @@ graphStatus aclgrphParseTensorFlow(const char *model_file,
     return ge::FAILED;
   }
   // Create an empty computegraph
-  string graph_name = output_name.empty() ? "tmpGraph", output_name;
+  string graph_name = output_name.empty() ? "tmpGraph" : output_name;
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>(graph_name);
   GE_CHECK_NOTNULL(compute_graph);