Hi All! I'm Jeremy I have issue for Vtol

Hi All !

I’m Jeremy
I have Issue for normal Vtol Funcub style.
take off after Front transition it goes well . BTW Back transition have problem.
the frame Head up almost 90 degrees and MC mode unstable and can’t control any mode(position, altitude, manual)
I trying to adjust parameter but it can’t be well.
Insert T-log file Anybody Help me please.