CM11 Unofficial offline charging? topic

Hi, the device cannot be turned off while charging. is it normal with this room?

How to reproduce:
- shutdown the phone
- plug in the charger
Expected result:
- phone showing battery animation after plugged in, screen goes blank later, phone is off
Actual resut:
- phone turns on and boots to Android.

PD: sorry for posting here, but i can't pot in Dev section