mongodb update
IMongoDatabase db = _client.GetDatabase("BridgeServer");
var col = db.GetCollection<Device>("Devices");
var filter = Builders<Device>.Filter.Eq(c => c.UUID, device.UUID);
var update = Builders<Device>.Update
.Set("Battery", device.Battery)
.Set("BridgeID", device.BridgeID)
.Set("LastReport", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"))
.Set("Online", device.Online ? 1 : 0)
.Set("RSSI", device.RSSI);
var result = col.UpdateOne(filter, update);