"I submited I-140 and I-485 on July 31"??? - 回複：Pjiang:I-131 an

You meant you mailed it on 7/31 or it was received by USCIS on 7/31?

In assumption of petitions being received on 7/31, your I-131 and I-765 are subject to old fee on condition they are received by next Friday 8/17.

http://web.wenxuecity.com/BBSView.php?SubID=immigration&MsgID=332446