1. https://www.atlassian.com/git/tutorials/learn-git-with-bitbucket-cloud (atlassian家的git）
2. https://nvie.com/posts/a-successful-git-branching-model/ （英文）
3. https://zhuanlan.zhihu.com/p/26216630 （中文）
4. git基本命令 https://confluence.atlassian.com/bitbucketserver/basic-git-commands-776639767.html