super su binary update

i have a yureka device and i recently rooted my device sucessfully but after updating super su it shows i have to update the binary. When i update it , the phone reboots and doesnot start up and shows the cyanogen logo. Kindly help in this matter.
Also i'm unable to install camera app like moto camera in my device despite the fact i have rooted my phone. i would like to replace the current version of camera app in my phone