image.png
    解决方法：

    1. (venv) E:\pythonstduy\django>curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
    2.   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
    3.                                  Dload  Upload   Total   Spent    Left  Speed
    4. 100 1883k  100 1883k    0     0  12771      0  0:02:31  0:02:31 --:--:-- 17278
    5. (venv) E:\pythonstduy\django>python get-pip.py
    6. Collecting pip
    7.   Using cached pip-21.0-py3-none-any.whl (1.5 MB)
    8. Installing collected packages: pip
    9. Successfully installed pip-21.0