fix output value error when run single op in graph mode

mindspore/ccsrc/backend/session/session_basic.cc

@@ -1124,13 +1124,21 @@ void SessionBasic::UpdateOutputs(const std::shared_ptr<KernelGraph> &kernel_grap
     outputs->emplace_back(CreateNodeOutputTensors(item, kernel_graph, input_tensors, &tensor_to_node));
   }
 
+  auto ms_context = MsContext::GetInstance();
+  MS_EXCEPTION_IF_NULL(ms_context);
   for (auto &item : tensor_to_node) {
     auto &tensor = item.first;
     auto &node = item.second.first;
     auto &output_index = item.second.second;
     auto address = AnfAlgo::GetMutableOutputAddr(node, output_index);
+    MS_EXCEPTION_IF_NULL(tensor);
     tensor->set_device_address(address);
     tensor->SetNeedWait(false);
+
+    if (ms_context->get_param<int>(MS_CTX_EXECUTION_MODE) != kPynativeMode) {
+      tensor->data_sync(false);
+      tensor->set_sync_status(kNeedSyncHostToDevice);
+    }
   }
 }