更新pip和setuptools：确保你的pip和setuptools版本是最新的（解决安装时报错“ ResolutionImpossible: for help visit https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts” 这个错误提示表明在解决软件包依赖冲突时遇到了问题，导致无法达成解决方案。你可以访问https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts 获取更多关于处理依赖冲突的帮助。）

pip3 install --upgrade pip setuptools

pip升级到最新

python.exe -m pip install --upgrade pip

配置中科大镜像

pip config set global.index-url https://mirrors.ustc.edu.cn/pypi/web/simple

配置阿里源

pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/

配置腾讯源

pip config set global.index-url http://mirrors.cloud.tencent.com/pypi/simple

配置豆瓣源

pip config set global.index-url http://pypi.douban.com/simple/