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loss = -1 * self.crf(emissions, labels, mask=attention_mask.byte(), reduction='mean') # 去掉CLS 在这条函数中,似乎mask并没有其作用,后续会报错labels中的-100引发越界问题,请问我是否能在该函数前将labels和mask按元素相乘后传入该函数,同时取消mask的传入。