about restore app n data by titanium in [ROM]Hydra-Romv1.0

dear all
i flash hydra rom 1.0 also flash supersu2.77
then i install titanium to restore my backup app n data
no matter i put backup file into phone SD or memory card
titanium can see it...but cant use the files
did i loss any step to choose the backup folder or any other mistake?
plz help me.....thx