I'm not entirely sure if this would work but give it a shot
on line 114~
if(.point[1]>.point[2]) { Announce "[Battle Ground]:Team A Win!",0; getitem $@bg_id_a,<item id>,<qty>; }else if(.point[2]>.point[1]) { Announce "[Battle Ground]:Team B Win!",0; getitem $@bg_id_b,<item id>,<qty>; }else { Announce "[Battle Ground]:Draw!",0; getitem $@bg_id_a,<item id>,<qty>; getitem $@bg_id_b,<item id>,<qty>; }