cs::CSJsonDictionary* widgetTree = DICTOOL->getSubDictionary_json(jsonDict, "widgetTree");
UIWidget* widget = widgetFromJsonDictionary(widgetTree);
////////
delete widgetTree;
widgetTree=NULL;
///////
用到 DICTOOL->getSubDictionary_json(jsonDict, “widgetTree”);的地方应该是内存泄露了。