auto* item_root =static_cast(cocostudio::GUIReader::
getInstance()->widgetFromJsonFile("item1_1/item1_1.ExportJson"));
auto * item =static_cast(Helper::seekWidgetByName(item_root, "Panel_13"));
Size sss = item->getSize();
想得到本ui大小，为什么是设计分辨率啊？？