You'd better conduct factory reset and wipe cache partition first . Back up your phone before factory reset. If there are some errors during flashing, you can flash official rom first and then try again.

Please click here to download: here

ROM flashing tutorial reference: here

Fixed- play store
Added- root

Known bugs:
1. Earphone doesn't work.
2. Fingerprint doesn't work.

You need to reset the phone after flashing the ROM.