换成国内镜像pip install **** -i https://pypi.tuna.tsinghua.edu.cn/simple
换个下载源试试。https://www.lfd.uci.edu/~gohlke/pythonlibs/。参考博客https://blog.csdn.net/qq_35687547/article/details/89364425?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~default-1-89364425-blog-106824638.pc_relevant_multi_platform_whitelistv2&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~default-1-89364425-blog-106824638.pc_relevant_multi_platform_whitelistv2&utm_relevant_index=1
超时了,换成清华阿里的镜像很快就好了