fix bug

ge/graph/load/model_manager/model_manager.cc

@@ -299,9 +299,9 @@ Status ModelManager::LoadModelOnline(uint32_t &model_id, const shared_ptr<ge::Ge
   }
   auto name_to_model = ge_root_model->GetSubgraphInstanceNameToModel();
   string model_name = "";
-  bool is_shape_unknown = ge_root_model->GetRootGraph()->GetGraphUnknownFlag();
-  // if multi subgraph is known, do hybrid load process
-  if (is_shape_unknown || GetContext().GetHostExecFlag() || (name_to_model.size() > 1)) {
+  bool is_shape_unknown = false;
+  (void)AttrUtils::GetBool(ge_root_model->GetRootGraph(), ATTR_NAME_DYNAMIC_SHAPE_PARTITIONED, is_shape_unknown);
+  if (is_shape_unknown || GetContext().GetHostExecFlag()) {
     return DoLoadHybridModelOnline(model_id, model_name, ge_root_model, listener);
   }