1. Open the third-party libraries add pages in pycharm in.
2. Click Manage Repositories, add mirror sites URL.
Watercress http://pypi.douban.com/simple/
Ali cloud http://mirrors.aliyun.com/pypi/simple/
Tsinghua University https://pypi.tuna.tsinghua.edu.cn/simple/
3. After Click OK, can be installed with a way before.
4. If still uncertain about the cmd command may be used to try to install, as pip install XXXX can be installed. If we get it working, it is reassuring to sleep, try again tomorrow, the computer has long been sleepy.