nginx mongov3.4.0-rc5

[lowsury]

nginx config like this:
{ gridfs pics
field=filename
type=string
pass=ytkEkz05
user=root
;
mongo 127.0.0.1:27017;
}
user and pass is right。
but can not acess mongo,the log :
2017/01/10 22:24:36 [error] 28936#0: Invalid mongo user/pass: root/ytkEkz05
2017/01/10 22:24:36 [alert] 28513#0: worker process 28936 exited with fatal code 2 and cannot be respawned

[marktowhen]

the driver is not matched .i guess