飞机类设计小游戏，里面有怪物苍蝇，鸭子还有boss。boss可以向四面八方发射子弹。飞机可以上下左右的移动，来打掉怪物。-The aircraft class design small game, there are monster flies, ducks, as well as the boss. The boss fired bullets in all directions. The aircraft can move up, down, left and right, to knock