Roslaunch mavros_posix_sitl.launch WARN [PreFlightCheck] Preflight Fail: Accel 1 inconsistent - Check Cal #19678

Hi~
I am having issues running the mavros_posix_sitl.launch on my px4-mavros-gazebo sitl. When I roslaunch mavros_posix_sitl.launch ,I meet an issue that __

WARN [PreFlightCheck] Preflight Fail: Accel 1 inconsistent - Check Cal

so that I can not arm the vehicle ,and I can also not use the qgc to arm.But when I change the

_ to _in the mavros_posix_sitl.launch , it makes useful.
I did not edit the iris.sdf, and I need to use iris.sdf model.Could you help me?