remote: Support for password authentication was removed on August 13, 2021. Please use a personal access token instead. remote: Please see https://github.blog/2020-12-15-token-authentication-requirements-for-git-operations/ for more information. fatal: unable to access "..." : The requested URL returned error: 403

原因：github移除了对密码的支持，须使用个人口令来进行push，操作方式：

github头像->setting->Developer settings->Personal access tokens->

1、Generate new token

或者2、点击进入你自己对应的token，regenerate这个token，然后就可以得到一串token，来使用

我用的是pycharm，举个例子，将得到的token，填入pycharm->settings->Github->use token->应用即可解决这个错误