HELP! How to fix these bugs on CM11? (Galaxy V)

My device Samsung Galaxy V SM-G313HZ already has a Cyanogenmod 11 build from source by Cleverior.ipul , Every Android user's love to running a custom especially Cyanogenmod ROM and same with us. Our Cyanogenmod now on alpha2 which is still has a lot if bugs, So I really hope that maybe anybody can help me fix this bugs or give me a solution how to get rid of those bugs. But keep in mind I don't own this ROM , Im just sharing a other people work and all thanks and credits goes to Cleverior.Ipul

Here is the bug that I wanna you to help for fix this, You can give a suggestion or eveything, Im appreciate that :D:good:

Known issues :
- FC UID (sometimes)
- Back button and recent app button doesn't work
- Bluetooth
- Internal & External memory
- Camera
- Tethering
- Wifi
- Settings : FC when open Apl manager
- MMS.apk : FC when open new message

Not tested :
-Wifi Hotspot
-Installing APK

Version Information
ROM OS Version : 4.4.4 Kitkat
Created : 2015-02-05
Link : Cyanogenmod 11 Alpha 2 Vivalto3gvndx[ :

Device tree : HERE
Vendor tree : HERE
Last Updated 2015-05-02
Status : Alpha2

ROM THREAD : http://forum.xda-developers.com/andr...xy-sm-t3101342