代码如下

    const _ = db.command
    db.collection('point').where({
      Geo: _.geoNear({
        geometry: db.Geo.Point(117.229938, 39.100311),
        maxDistance: 5000,
      })
    }).count().then(console.log)

报错如下

VM922:1 Uncaught (in promise) thirdScriptError
errCode: -502001 database request fail | errMsg: [FailedOperation.Query] (BadValue) $geoNear, $near, and $nearSphere are not allowed in this context
Error: errCode: -502001 database request fail | errMsg: [FailedOperation.Query] (BadValue) $geoNear, $near, and $nearSphere are not allowed in this context
    at new u (http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:233057)
    at Function.success (http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:284582)
    at Object.success (http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:126542)
    at y (http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:536042)
    at v (http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:536280)
    at http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:537834
    at n.<anonymous> (http://127.0.0.1:30945/appservice/__dev__/asdebug.js:1:10216)
    at http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:126542
    at http://127.0.0.1:30945/appservice/__dev__/WAService.js:2:109272

使用get时正常，使用count就报错