train: E:\School\R\Robocon\YOLOv8\datasets\images\train #训练集图片绝对路径
val: E:\School\R\Robocon\YOLOv8\datasets\images\val #数据集绝对路径
# number of classes
nc: 2 #类别数
# class names
names: ['blue', 'red'] #类别名称