Thanks i found it
I'm running but, it isn't work. My step is:
1. Go to this page: https://gbatemp.net/threads/spider-arcode.383937/page-36#post-5435805
2. Pick the Fire Emblem Awakening (U) - Stat Increasing Item x255 – Hawkeye91 code
3. Go here: http://dukesrg.no-ip.org/3ds/rop.html
4. ROP...