执行python -m pip install --upgrade pip 报错（已解决）

执行python -m pip install --upgrade pip 报错

PermissionError: [WinError 5] 拒绝访问。: ‘c:\program files\python36\lib\site-packages\pip-9.0.1.dist-info\description.rst’

You are using pip version 9.0.1, however version 21.3.1 is available.

You should consider upgrading via the ‘python -m pip install --upgrade pip’ command.

使用管理员执行命令就行