点底部的加号,弹出的对话框选择“Manage Repositories”
默认值:https://pypi.python.org/simple
国内常用源:
清华:https://pypi.tuna.tsinghua.edu.cn/simple阿里:https://mirrors.aliyun.com/pypi/simple/豆瓣:https://pypi.douban.com/simple/