pycharm和cmd pip install requests都这样

Microsoft Windows [版本 10.0.19043.1348]
(c) Microsoft Corporation。保留所有权利。

C:\Users\22835>pip install requests

WARNING: You are using pip version 21.2.4; however, version 21.3.1 is available.
You should consider upgrading via the 'd:\service\python\python.exe -m pip install --upgrade pip' command.
为什么每次都出现这个问题

应该是让你更新pip，这样参考这个更新下，望采纳，谢谢 ：https://www.cnblogs.com/hujinbing/p/14126958.html

叫你更新