hatsune miku 2nd & extend problem :(

[maikel1200]

is that although the kingdom hearts game, Dragon Ball and others, but with the 2nd and extend Hatsune Miku is different, the game runs at 30fps accurate without lag but when I'm playing for the song sticks for 1 second thus ruining my run and I can not get perfect for that, and tried everything but does not solve someone could help me? many thanks for your help