web_sh_audit/public/static/json/test.json

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon ",
        "coordinates": [
          [
            [121.80900368447004, 31.053935480315246],
            [121.80900368447004, 31.044263490820825],
            [121.80013337002538, 31.044263490820825],
            [121.80013337002538, 31.053935480315246],
            [121.80900368447004, 31.053935480315246]
          ],
          [],
          [
            [121.80900368447004, 31.053935480315246],
            [121.80900368447004, 31.044263490820825],
            [121.80013337002538, 31.044263490820825],
            [121.80013337002538, 31.053935480315246],
            [121.80900368447004, 31.053935480315246]
          ],
          [],
          [],
          []
        ]
      }
    }
  ]
}