code: function (e) {
          const map = this.getMap();
          const eventParam = {
              'domEvent': e
          };
          const actual = e.touches && e.touches.length > 0 ? e.touches[0] : e.changedTouches  && e.changedTouches.length > 0 ? e.changedTouches[0] : e;
          if (actual) {
              const containerPoint = getEventContainerPoint(actual, map._containerDOM);
              eventParam['coordinate'] = map.containerPointToCoordinate(containerPoint);
              eventParam['containerPoint'] = containerPoint;
              eventParam['viewPoint'] = map.containerPointToViewPoint(containerPoint);
              eventParam['pont2d'] = map._containerPointToPoint(containerPoint);
          }
          return eventParam;
      }
docs: Generate event parameters
  @param  {Event} event - dom event
  @return {Object}
  @private