训练好的模型，infer用的best_ckpt.pt，推理出的结果没有候选框

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Question

自己数据训练好的模型，infer用的best_ckpt.pt，推理出的图片结果没有候检测框(用原来yolov6l.pt有检测框)。是因为训练权重的epoch跑的太少的原因吗?只跑了2个epoch，训练数据也不多

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