预训练数据构造有误 #72
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预训练数据构造有误 #72
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原来的代码中，在wwm阶段，MLM任务中标签会被构造为开头带'##'的汉字，而在下游任务中这种token是没有意义的。
这就导致wwm在下游任务中其实并没有任何作用，反而伤害了模型。