GeoJSON数据处理只支持FeatureCollection形式

[ironicstone]

RT，源码中取data.features，features字段只会在FeatureCollection中出现。标准的GeoJSON类型还有很多，Feature, Point, Polygon等等，目前拿到数据后需要自己再包一层。

data-set/src/connector/geojson.js

Line 15 in 55526ac

 const features = cloneDeep(data.features);