set tyCache as particle shape at collision point

[Saca]

hi,
I want to set tyCache as particle shape at collision point.
but the shape ix empty X.
what's wrong my setup?

here is my file, please check it up if you can.
flash_tyf = generate tycache.
Gun_tyf = shoot particles and collied groundGeo,
and set tyCache as particle shape at collision point.

thanks