Have you ever email them to follow up? I heard that if you reached 30 days of processed time, you can email them and they will reply back

Hope you will get it so soon!
I did today.then got auto replay as follow
This acknowledges receipt of your e-mail to the Seattle visa office. Due
to the high volume of messages received, you may not receive an immediate
response. Complete information about visas and immigration is available at
http://www.seattle.gc.caso much waiting time in my life fet up
