地图组件用addMarkers方法先后添加标marker，先添加的marker的id具有点击点击事件（暂称为A标注），后添加的marker的id无点击事件（暂称为B标注)，通过bindmarkertap监听点击事件获取id，A和B标注成叠压的情况，我希望点击时只获取A标注的id，但在设置了层级后仍然获取的是B标注的id，所以这个为什么会失效，有同样遇到层级失效的人吗？

//A标注
  let marker = {
                    id: markerId,
                    zIndex:9999,
                    longitude: cenPos.x,
                    latitude: cenPos.y,
                    iconPath: pointIcon,
                    alpha: 1,
                    width: 30,
                    height: 3
                };
//B标注
 let marker = {
                id: markerIde,
                longitude: x,
                latitude: y,
                zIndex:1,
                alpha: 0,
                width: 30,
                height: 30,
                label: {
                    content: point.xmjc,
                    color: "#f9c475",
                    fontSize: 15,
                    borderRadius: 10,
                    bgColor: "#daebff00",
                    padding: 5
                }
            };