github fork之後修改代碼提交到自己主庫,clone 源項目fetch拿最新代碼,然後git merge合併操作:https://blog.csdn.net/qq_29907885/article/details/88866556
分支合併github操作:
https://git-scm.com/book/zh/v2/Git-%E5%88%86%E6%94%AF-%E5%88%86%E6%94%AF%E7%9A%84%E6%96%B0%E5%BB%BA%E4%B8%8E%E5%90%88%E5%B9%B6