rewind file if we dont find the magic number
rewind file if we dont find the magic number

YetAnotherMinion/core,YetAnotherMinion/core,YetAnotherMinion/core,YetAnotherMinion/core,yangf4/core,yangf4/core,yangf4/core,yangf4/core,yangf4/core,YetAnotherMinion/core