Requirement already satisfied+红字Read time out（upgrading via the ‘python -m pip install --upgrad）解决办法

在安装python2.7时需要下载h5py库，出现问题：参考(188条消息) Requirement already satisfied解决办法_普通网友的博客-优快云博客

进行下载，下载至一半出现红字问题提醒You are using pip version 9.0.1, however version 23.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

后又参考博文(188条消息) 怎么解决Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection_繁华pk落幕的博客-优快云博客后面艰难下载成功： 

不想更新版本，好麻烦，主要利用镜像源进行快速下载： pip install --target=d:/py27/Lib/site-packages h5py -i http://pypi.douban.com/simple --trusted-host pypi.douban.com