The four-rotor Tailsitter Planes rudder remote control does not respond, spin in an indefinite direction

ArduPlane VTOL Plane
1

My quad-rotor Tailsitter Planes take off spin, switch point mode will fly around, why is this, my Q_FRAME CLASS=1
Q FRAME TYPE=1
Q_TAILSIT_MOTMX=15
Q_TAILSIT_ENABLE=2
Thank you for answering my questions