这是一个git lfs项目。

没有改造数据前的模型性能：
knowledge points - max length is 1566, min length is 3, ave length is 87.96, 95% quantile is 490.
question and answer - max length is 303, min length is 8, ave length is 47.09, 95% quantile is 119.
303精度为：2562/5232=48.97%