Results 3 issues of CoderJ

- [x] I'm reporting a bug, not asking for help - [x] I'm sure this is a Leaflet.MarkerCluster code issue, not an issue with my own code nor with the...

```js // package/index.js export default A ``` ```js // 业务代码中 import A from 'package' ``` `结果:报A is not defined错误`

能否给一个设置项,第一次可以设置不触发