I guess NO. If the portal still shows the status as Submitted, they have not picked your application. If it goes for a long time, there would be a problem of expiring your express entry profile and at the same time your IELTS scores too. However, in recent times, they do not take long time to process your application. Please keep calm until 6 months. Yeah I understand how it feels but you have to wait. You will definitely get a certificate.
NOTE: If you have your representative, please request him/her to ask about your application to the officer if possible.