{"report_content.measurement_judgment.enabled":true}

db.collection.update({"field":"value"},{$set:{'field':'value'}},false,true);

db.eval(function() { 
    db.collection.find().forEach(function(e) {
        e.phyHealthReuslt = e.phyModelReuslt;
        e.phyHealthPoint = e.phyModelPoint;
        db.collection.save(e);
    });
});

db.sleepReportV2.find({"reportId":{$type:18}}).forEach(
    function(x){
        x.reportId =  x.reportId + "";
        // 這行代碼不行，將Long字段207轉換成字符串NunberLong(207)
        //x.reportId = String(x.reportId);
        db.sleepReportV2.save(x)
    });

db.sleepReportV2.find({"reportId":{$type:18}}).count();