cukiy

Results 2 issues of cukiy

![WX20190928-114106@2x](https://user-images.githubusercontent.com/22424504/65811036-253c9b00-e1e5-11e9-9f64-72a7cbaca44d.png) ![WX20190928-114126@2x](https://user-images.githubusercontent.com/22424504/65811038-28d02200-e1e5-11e9-81d5-cb2086622fe3.png) MapView显示正常,Cluster报错,找不到原因,求大神指点