I conducted tests based on what you explained, but none of the results were as expected. Later, I achieved the anticipated outcome using the method below，But I’m not sure if it’s reasonable.
attitudeProvider = LofOffset(ECI, LOFType.QSW_INERTIAL,RotationOrder.XYZ, 0.0,radians(-30.0), 0.0); # QSW_INERTIAL