Lost phone storage and sd card

I am having canvas A177 i have rooted my phone and i have edited the void.fstab folder by changing sdcard0 to sdcard1 and now after rebooting my phone i have lost my phone storage and sd card so i have deleted that folder then i rebooted my device and now too its not showing phone storage and sd card so i decided to unroot my phone through supersu and again gave a hard reset to my device but its not showing anything so should i again root my phone(if there is any possiblity to again get my phone storage and sd card back.) Plzzz do help me.