Upgrade rules: 1. Change the style and steering angle of nose landing gear. 2 Replace modern stealth coating: P. 3 Challenge the position and size of the seat and bulletproof steel plate to make the rear view better. Adjust the position of rudder to make them look more reasonable. 5 Add some button comment information. 6 Adjust the position of machine guns to make them more centered and improve the hit rate. 7 The emergency afterburning system will not be thrown out, and its switch can be controlled by AG4, which solves the landing gear bug after throwing out. Operation manual: AG1 can turn on the gyroscope; AG2 can put down the hook; AG3 can open the parachute; AG4 can turn on emergency afterburner; AG5 Open the canopy; AG6 can control the gasoline filling pipe; AG8 controls the light.