Okay - so for your Submit button - that button is set as "Submit", not "Rules and Custom Code" - so it runs the rules you have in the Form Submit rules - which are all those rules that send the form to the right department library. Oh - I just noticed your warning at the bottom of the form - Honestly, I'd just copy those submit rules to the Approve and Deny buttons so the user doesn't have to be counted on to hit two buttons (or I'd change Approve / Deny to something other than a button, so you don't need to warn them).
At any rate, right now if they click the Approve button, it will set the submit status to Approved and then hide the submit button? Or are you then using the "Submit" button in the ribbon after clicking Approve or Deny?
Your "CNY" data connection has the formula entered directly in the filename field - so it isn't getting evaluated. Actually - most of your submit connections have this error. You'll want to put that concat statement in the formula editor dialog.