diff --git a/ge/generator/ge_generator.cc b/ge/generator/ge_generator.cc
index ad3084dc..f60561c7 100644
--- a/ge/generator/ge_generator.cc
+++ b/ge/generator/ge_generator.cc
@@ -528,9 +528,19 @@ Status GeGenerator::GenerateModel(const Graph &graph, const string &file_name_pr
   return SUCCESS;
 }
 
-Status GeGenerator::BuildSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &inputs, const vector<GeTensor> &outputs,
-                                  const string &model_file_name, OpEngineType engine_type, ModelBufferData &model_buff,
-                                  bool is_offline) {
+namespace {
+  bool IsNeedConnectInputOpForSingleOp(GeTensorDesc &tensor_desc) {
+    bool is_need = true;
+    // format and dtype is all reserved, stand for Optional input. When singleop scene
+    if (tensor_desc.GetFormat() == FORMAT_RESERVED && tensor_desc.GetDataType() == DT_UNDEFINED) {
+      is_need = false;
+    }
+    return is_need;
+  }
+}
+
+Status GeGenerator::CheckForSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &inputs,
+                                     const vector<GeTensor> &outputs) {
   GE_CHECK_NOTNULL_EXEC(op_desc, return PARAM_INVALID);
   if (!inputs.empty() && (inputs.size() != op_desc->GetAllInputsSize())) {
     GELOGE(PARAM_INVALID, "Tensor size: %zu, Inputs size: %zu", inputs.size(), op_desc->GetAllInputsSize());
@@ -540,7 +550,17 @@ Status GeGenerator::BuildSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &in
     GELOGE(PARAM_INVALID, "Tensor size: %zu, Outputs size: %zu", outputs.size(), op_desc->GetOutputsSize());
     return PARAM_INVALID;
   }
+  return SUCCESS;
+}
+
+Status GeGenerator::BuildSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &inputs, const vector<GeTensor> &outputs,
+                                  const string &model_file_name, OpEngineType engine_type, ModelBufferData &model_buff,
+                                  bool is_offline) {
 
+  if (CheckForSingleOp(op_desc, inputs, outputs) != SUCCESS) {
+    GELOGE(PARAM_INVALID, "input param is invalid when build single op!");
+    return PARAM_INVALID;
+  }
   OmgContext &omg_context = (impl_ == nullptr) ? domi::GetContext() : impl_->omg_context_;
   omg_context.is_dynamic_input = ContainsDynamicInpus(*op_desc);
 
@@ -575,12 +595,18 @@ Status GeGenerator::BuildSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &in
   if (inputs.empty()) {
     for (const auto &input_desc : op_desc->GetAllInputsDescPtr()) {
       GE_CHECK_NOTNULL_EXEC(input_desc, return INTERNAL_ERROR);
+      if (!IsNeedConnectInputOpForSingleOp(*input_desc)) {
+        continue;
+      }
       GE_CHK_STATUS_RET_NOLOG(AddInputs(compute_graph, op_node, *input_desc, arg_index, false));
       arg_index++;
     }
   } else {
     for (const auto &in_desc : inputs) {
       GeTensorDesc input_desc = in_desc.GetTensorDesc();
+      if (!IsNeedConnectInputOpForSingleOp(input_desc)) {
+        continue;
+      }
       GE_CHK_STATUS_RET_NOLOG(AddInputs(compute_graph, op_node, input_desc, arg_index, true));
       arg_index++;
     }
diff --git a/ge/offline/single_op_parser.cc b/ge/offline/single_op_parser.cc
index df75e21d..8a86f5c5 100644
--- a/ge/offline/single_op_parser.cc
+++ b/ge/offline/single_op_parser.cc
@@ -226,16 +226,11 @@ bool SingleOpParser::Validate(const SingleOpDesc &op_desc) {
   }
 
   int index = 0;
-  for (auto &tensor_desc : op_desc.input_desc) {
-    if (tensor_desc.type == DT_UNDEFINED) {
-      ErrorManager::GetInstance().ATCReportErrMessage("E10027", {"input", "index"}, {"input", std::to_string(index)});
-      GELOGE(false, "Input's dataType is invalid when the index is %d", index);
-      return false;
-    }
-
-    if (tensor_desc.format == FORMAT_RESERVED) {
-      ErrorManager::GetInstance().ATCReportErrMessage("E10028", {"input", "index"}, {"input", std::to_string(index)});
-      GELOGE(PARAM_INVALID, "Input's format is invalid when the index is %d", index);
+  for (auto &tensor_desc : op_desc.output_desc) {
+    if ((tensor_desc.type == DT_UNDEFINED && tensor_desc.format != FORMAT_RESERVED) ||
+        (tensor_desc.type != DT_UNDEFINED && tensor_desc.format == FORMAT_RESERVED)){
+      ErrorManager::GetInstance().ATCReportErrMessage("E10027", {"input", "index"}, {"output", std::to_string(index)});
+      GELOGE(PARAM_INVALID, "Input's dataType or format is invalid when the index is %d", index);
       return false;
     }
     ++index;
diff --git a/inc/framework/generator/ge_generator.h b/inc/framework/generator/ge_generator.h
index 4902a021..c446b983 100644
--- a/inc/framework/generator/ge_generator.h
+++ b/inc/framework/generator/ge_generator.h
@@ -53,7 +53,7 @@ class GeGenerator {
   Status GenerateOfflineModel(const Graph &graph, const std::string &file_name_prefix,
                               const std::vector<GeTensor> &inputs = std::vector<GeTensor>());
 
-  Status GenerateOnlineModel(const Graph &graph, const vector<GeTensor> &inputs, ge::ModelBufferData& model);
+  Status GenerateOnlineModel(const Graph &graph, const vector<GeTensor> &inputs, ge::ModelBufferData &model);
 
   Status GenerateInfershapeGraph(const Graph &graph);
 
@@ -77,16 +77,16 @@ class GeGenerator {
   /// @param [in] engine_type: specific engine.
   /// @param [out] model_buff: model buff of single op.
   /// @return SUCCESS or FAILED
-  Status BuildSingleOpModel(OpDescPtr &op_desc, const vector<GeTensor> &inputs,
-                            const vector<GeTensor> &outputs, OpEngineType engine_type,
-                            ModelBufferData &model_buff);
+  Status BuildSingleOpModel(OpDescPtr &op_desc, const vector<GeTensor> &inputs, const vector<GeTensor> &outputs,
+                            OpEngineType engine_type, ModelBufferData &model_buff);
 
  private:
-  Status GenerateModel(const Graph &graph, const string &file_name_prefix,
-                       const vector<GeTensor> &inputs, ge::ModelBufferData& model, bool is_offline = true);
+  Status GenerateModel(const Graph &graph, const string &file_name_prefix, const vector<GeTensor> &inputs,
+                       ge::ModelBufferData &model, bool is_offline = true);
   Status BuildSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &inputs, const vector<GeTensor> &outputs,
-                       const string &model_file_name, OpEngineType engine_type,
-                       ModelBufferData &model_buff, bool is_offline = true);
+                       const string &model_file_name, OpEngineType engine_type, ModelBufferData &model_buff,
+                       bool is_offline = true);
+  Status CheckForSingleOp(OpDescPtr &op_desc, const vector<GeTensor> &inputs, const vector<GeTensor> &outputs);
 
   class Impl;
 
diff --git a/metadef b/metadef
index ae80e9e2..1cc55bca 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit ae80e9e2369458d468c16fd95bb970922ff3a084
+Subproject commit 1cc55bcae09902b3d158993dd57bfbd1d3337066
diff --git a/parser b/parser
index c1530c60..db4e6070 160000
--- a/parser
+++ b/parser
@@ -1 +1 @@
-Subproject commit c1530c6083ea18c6c6c4c14b08253830e3982344
+Subproject commit db4e6070bb2cec01cead264a44ceae07e7f3048e