path: /home/hx/开发/ML_xiantiao/class_xiantiao_pc/test_image # 数据集所在路径
train: train  # 数据集路径下的train.txt
val: val  # 数据集路径下的val.txt
test: test  # 数据集路径下的test.txt

nc: 2
names: ['hole','crack']