diff --git a/metadef b/metadef
index b27915cd..c6030152 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit b27915cd37919430a61953f8998b7acce4a60177
+Subproject commit c6030152c6dc05515115765babb5d64fde649df4
diff --git a/parser b/parser
index e75eda62..155d3262 160000
--- a/parser
+++ b/parser
@@ -1 +1 @@
-Subproject commit e75eda62de2b51a0bded5481ca81eb8fc7bf376e
+Subproject commit 155d3262ba17f800094abb58b6a809b041cf0a74
diff --git a/tests/ut/common/graph/testcase/ge_graph/ge_model_serialize_unittest.cc b/tests/ut/common/graph/testcase/ge_graph/ge_model_serialize_unittest.cc
index 0366446c..9617499c 100644
--- a/tests/ut/common/graph/testcase/ge_graph/ge_model_serialize_unittest.cc
+++ b/tests/ut/common/graph/testcase/ge_graph/ge_model_serialize_unittest.cc
@@ -1062,7 +1062,6 @@ TEST(UtestGeModelSerialize, test_model_serialize_imp_invalid_param) {
 
   auto graph = std::make_shared<ComputeGraph>("test_graph");
   auto node = graph->AddNode(std::make_shared<OpDesc>());
-  node->op_ = nullptr;
   ge::proto::ModelDef model_def;
   Model model;
   model.SetGraph(GraphUtils::CreateGraphFromComputeGraph(graph));