yolov1训练时loss为nan

[lixiaoming0017]

您好，我在用yolov1的代码时候，用main.py训练，数据集合只用了VOC2007的数据，pytorch用的1.2，修改了total_loss += loss.data[0],改为total_loss += loss.item(),训练的时候loss一直是nan,别的参数没改，请问一下这是什么原因啊

[boomboomgwx]

我和你一样，不知道为啥

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