SimpleBGC AHRS issue.

Hi all

I am use SimpleBGC 2.68b4 with Mavlink. ( Copter 3.5.7).
But my FC Used only for AHRS reference.

I have a problem if I don’t fly AHRS not work. (Armed)
Is there any way to make the FC automatically armed?
Or let AHRS work without flying?

Thank you.

Mliu.