diff --git a/parser/tensorflow/tensorflow_parser.cc b/parser/tensorflow/tensorflow_parser.cc
index b258a54..6a67949 100644
--- a/parser/tensorflow/tensorflow_parser.cc
+++ b/parser/tensorflow/tensorflow_parser.cc
@@ -2496,10 +2496,14 @@ Status TensorFlowModelParser::OptimizeIdentityByOutput(map<string, NodeDef *> &n
     domi::tensorflow::NodeDef *output_node_def = nodedef_map[output_node_name];
     GE_CHECK_NOTNULL(output_node_def);
     if (output_node_def->op() == "_Retval") {
-      GELOGD("_Retval Identity need optimize.");
+      GELOGW("_Retval Identity need optimize. node:%s", curr_node_name.c_str());
       output_node_def->set_input(0, curr_node_def->input(0).c_str());
       has_out_retval = true;
-      GELOGD("op %s set input(0):%s.", output_node_def->name().c_str(), curr_node_def->input(0).c_str());
+      GELOGW("op %s set input(0):%s.", output_node_def->name().c_str(), curr_node_def->input(0).c_str());
+    } else {
+      GELOGW("[test]current node(%s).", curr_node_name.c_str());
+      has_out_retval = false;
+      break;
     }
   }