roll back func
roll back func

bluebore/galaxy,taotaowill/galaxy,WangCrystal/galaxy,imotai/galaxy,linyvxiang/galaxy,szxw/galaxy,linyvxiang/galaxy,fxsjy/galaxy,szxw/galaxy,linyvxiang/galaxy,imotai/galaxy,imotai/galaxy,Kai-Zhang/galaxy,fxsjy/galaxy,leoYY/galaxy,fxsjy/galaxy,ontologyzsy/galaxy,szxw/galaxy,imotai/galaxy,baidu/galaxy,fxsjy/galaxy,linyvxiang/galaxy,sdgdsffdsfff/galaxy,leoYY/galaxy,linyvxiang/galaxy,leoYY/galaxy,taotaowill/galaxy,ontologyzsy/galaxy,leoYY/galaxy,imotai/galaxy,Kai-Zhang/galaxy,taotaowill/galaxy,szxw/galaxy,WangCrystal/galaxy,ontologyzsy/galaxy,fxsjy/galaxy,fxsjy/galaxy,baidu/galaxy,WangCrystal/galaxy,May2016/galaxy,baidu/galaxy,sdgdsffdsfff/galaxy,May2016/galaxy,bluebore/galaxy,Kai-Zhang/galaxy,leoYY/galaxy,bluebore/galaxy,ontologyzsy/galaxy,szxw/galaxy,leoYY/galaxy,May2016/galaxy,bluebore/galaxy,bluebore/galaxy,ontologyzsy/galaxy,sdgdsffdsfff/galaxy,linyvxiang/galaxy,sdgdsffdsfff/galaxy,sdgdsffdsfff/galaxy,fxsjy/galaxy