tmzn-weihe/public/geojson/sw2.geojson

{
  "type": "FeatureCollection",
  "name": "sw1",
  "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
  "features": [{ "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [108.375698, 34.211524] } }]
}