code: function getCleanedElOption(elOption) {
      elOption = zrUtil.extend({}, elOption);
      zrUtil.each(
          ['id', 'parentId', '$action', 'hv', 'bounding'].concat(layoutUtil.LOCATION_PARAMS),
          function (name) {
              delete elOption[name];
          }
      );
      return elOption;
  }
docs: Remove unnecessary props to avoid potential problems.