hw1 数据下载链接:https://cloud.tsinghua.edu.cn/f/308601301555492f96f8/?dl=1
hw2 数据下载链接:https://cloud.tsinghua.edu.cn/f/b3fd2cc240d94211baaa/?dl=1
hw3 pretrain_models: 清华大学云盘 (tsinghua.edu.cn)
hw4 数据模型下载链接 https://cloud.tsinghua.edu.cn/d/3fa1f92d870f40feb861/