Help me sifu!!!

I rooted my phone using ishuaji. The rooting process went fine. Then, i got the Chinese super su. I've already check with the root checker, and verify that my phone have root access.

But the problem is how i'm going to change the Chinese super su?

I've already download the superSU but still the installation of the binary keep fail. So what should i do????

One more thing, my phone become more lag than usual after root.

bro, did u unroot back ur phone and then using mygun to root ur phone??

if so, can you teach me ho to unroot back the phone???..hehe..sorry, dont know much about this thing..

i also have problem to upgrade..before this i never try using alcatel upgrade..hope sifus here provide solution..