[Q] Turning off while charging on CARBON-JB 4.3.1 by kevinjoa ROM on my S3 mini topic

My S3 mini is turning off during the night charging. I put phone on charger while i am going to sleep and when i wake up on phone's screen is image of battery and there is how many percentage (usually 100%). I need to wake up every morning and for thaht i need my alarm on my phone, but my phone turning off every night and i can't use alarm. But when i put phone on a charger during the day and phone get's to 100% but phone doesn't turn off i am on CARBON-JB 4.3.1 by kevinjoa ROM.