I checked your account and it looks like you submitted your work 2-days ago. Please know that once you submit work for a milestone (through the submission page), your client has 14-days to review the work you submitted. The client may come back earlier than the 14-days to release payment for the milestone, or to request for changes to the submitted work. If you don't hear back from the client, the money in escrow will automatically be released to your account.
You may read this help article for more information on how to get paid for fixed-price contracts.