diff --git a/parser/tensorflow/tensorflow_parser.cc b/parser/tensorflow/tensorflow_parser.cc
index 23300b7..5afce4c 100644
--- a/parser/tensorflow/tensorflow_parser.cc
+++ b/parser/tensorflow/tensorflow_parser.cc
@@ -2563,6 +2563,7 @@ Status TensorFlowModelParser::OptimizeSnapShot(domi::tensorflow::NodeDef *curr_m
     domi::tensorflow::NodeDef *output_node_def = nodedef_map[output_node_name];
     GE_CHECK_NOTNULL(output_node_def);
     auto inputs = output_node_def->mutable_input();
+    std::vector<std::string> added_inputs;
     for (auto &input : *inputs) {
       string node_name;
       bool is_control = false;
@@ -2596,12 +2597,15 @@ Status TensorFlowModelParser::OptimizeSnapShot(domi::tensorflow::NodeDef *curr_m
             }
           }
           if (!is_exist_input) {
-            output_node_def->add_input("^" + item);
-            GELOGD("Optimize Snapshot node, dest:%s, set control input:%s.", output_node_name.c_str(), item.c_str());
+            added_inputs.push_back("^" + item);
           }
         }
       }
     }
+    for (std::string added_input : added_inputs) {
+      GELOGD("Optimize Snapshot node, dest:%s, set control input:%s.", output_node_name.c_str(), added_input.c_str());
+      output_node_def->add_input(added_input);
+    }
   }
   // Clear the input of snapshot and become an isolated node
   curr_mode_def->clear_input();
diff --git a/tests/depends/error_manager/src/error_manager_stub.cc b/tests/depends/error_manager/src/error_manager_stub.cc
index 1fba95a..900d595 100644
--- a/tests/depends/error_manager/src/error_manager_stub.cc
+++ b/tests/depends/error_manager/src/error_manager_stub.cc
@@ -98,7 +98,7 @@ void ErrorManager::SetStage(const std::string &first_stage, const std::string &s
 }
 
   struct error_message::Context &ErrorManager::GetErrorManagerContext() {
-    struct error_message::Context error_context;
+    static struct error_message::Context error_context;
     return error_context;
   }
 
diff --git a/tests/st/testcase/origin_models/test_snapshot.pb b/tests/st/testcase/origin_models/test_snapshot.pb
new file mode 100644
index 0000000..03c4f22
Binary files /dev/null and b/tests/st/testcase/origin_models/test_snapshot.pb differ
diff --git a/tests/st/testcase/test_tensorflow_parser.cc b/tests/st/testcase/test_tensorflow_parser.cc
index 09567ff..ae0ca2b 100644
--- a/tests/st/testcase/test_tensorflow_parser.cc
+++ b/tests/st/testcase/test_tensorflow_parser.cc
@@ -2387,5 +2387,23 @@ TEST_F(STestTensorflowParser, tensorflow_GraphDefOptimizeIdentity_test)
   Status ret = tensorflow_parser.GraphDefOptimizeIdentity(&graph_def, nodedef_map, nodedef_to_optimize);
   EXPECT_EQ(ret, ge::PARAM_INVALID);
 }
+TEST_F(STestTensorflowParser, tensorflow_optimizer_snapshot_no_retval_test) {
+  std::string caseDir = __FILE__;
+  std::size_t idx = caseDir.find_last_of("/");
+  caseDir = caseDir.substr(0, idx);
+  const std::string root_proto = caseDir + "/origin_models/test_snapshot.pb";
+  domi::tensorflow::GraphDef graphDef;
+
+  bool protoRet =
+      parser::ReadProtoFromBinaryFile(root_proto.c_str(), &graphDef);
+  ASSERT_EQ(protoRet, true);
+
+  TensorFlowModelParser tensorflow_parser;
+  ge::ComputeGraphPtr root_graph =
+      ge::parser::MakeShared<ge::ComputeGraph>("tmp_graph");
+  Status ret = tensorflow_parser.ParseProto(
+      reinterpret_cast<google::protobuf::Message *>(&graphDef), root_graph);
+  EXPECT_EQ(FAILED, ret);
+}
 
 } // namespace ge
diff --git a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
index cd2a59b..fb45409 100644
--- a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
+++ b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
@@ -188,4 +188,33 @@ TEST_F(UtestTensorflowParser, tensorflow_parser_with_external_graph) {
   ret = TensorFlowModelParser::AddExternalGraph(root_graph);
   EXPECT_EQ(ret, INTERNAL_ERROR);
 }
+
+TEST_F(UtestTensorflowParser, optimize_snapshot) {
+  domi::tensorflow::GraphDef graph_def;
+
+  auto mul_node = graph_def.add_node();
+  mul_node->set_name("optimizer/Mul");
+  mul_node->set_op("Mul");
+  mul_node->add_input("Snapshot:0");
+
+  auto snapshot_node = graph_def.add_node();
+  snapshot_node->set_name("Snapshot");
+  snapshot_node->set_op("Snapshot");
+  snapshot_node->add_input("loss_scale/read:0");
+  snapshot_node->add_input("^ShuffleNet/AssignMovingAvg");
+
+  auto identity_node = graph_def.add_node();
+  identity_node->set_name("loss_scale/read");
+  identity_node->set_op("Identity");
+  identity_node->add_input("loss_scale/ref:0");
+
+  auto assign_node = graph_def.add_node();
+  assign_node->set_name("ShuffleNet/AssignMovingAvg");
+  assign_node->set_op("AssignSub");
+  assign_node->add_input("ShuffleNet/moving_mean:0");
+
+  Status ret = TensorFlowModelParser().GraphDefOptimize(&graph_def);
+  EXPECT_EQ(ret, ge::SUCCESS);
+}
+
 } // namespace ge