Merge remote-tracking branch 'origin/master'

YANGDL

2021-01-05 1e40f7d8824d8859a6edbec3ae3fd0d857115553

 src/Sgis.js

@@ -49,6 +49,7 @@
const initBasemapsHelper = (map, L) => {
    // todo 这里进行底图地图的初始化
    var basemapHelper = new BasemapHelper({map, L})
    console.log(basemapHelper)
    return basemapHelper
}
/**