const _ = db.command

let dbret = await db.collection('user').where({

geo: _.geoNear({

geometry: db.Geo.Point(113.323809, 23.097732),

// minDistance: 1000,

//maxDistance: 5000,

}),

published: true,

deleteTime:''

}).orderBy('createTime', 'desc').limit(20).get();