错误如下：
git push origin quantum6
Username for 'https://github.com': quantum6
Password for 'https://quantum6@github.com':
remote: Permission to DoubangoTelecom/doubango.git denied to quantum6.
fatal: unable to access 'https://github.com/DoubangoTelecom/doubango/': The requested URL returned error: 403有人说在config中增加用户名密码。试了还是不行。
remote: Permission to DoubangoTelecom/doubango.git denied to quantum6.
fatal: unable to access 'https://github.com/DoubangoTelecom/doubango/': The requested URL returned error: 403应该是这个项目不允许别人修改。
正确的执行情况如下：
git push origin master
Username for 'https://github.com': quantum6
Password for 'https://quantum6@github.com':
Everything up-to-date
