hello to all..

my name is shery im new here, and i need some advice plsss..
i apply for fiancee visa from the philippines to uk and im sooo worried if what would be the result as i over stay last time in england but i have a reason, we are applying to the home office until my visa expired.. then yesterday i receive an email from the embassy saying that i need 1 more supporting document in order that full consideration can be given,
which is the decree absolute of my fiancee, and he just apply it to the court, i dont know when are we gonna get it and the embassy gave me only 10 working days to submit it. now i dont know what to do... plsssssssssssssssssss i need advice....