On Wed, Sep 28, 2022 at 12:37:55AM +0800, Ray Chi wrote: > BTW, I found a new mail tree is created after the patch v4 is > uploaded, but the patch is downloaded by mbox. I do not understand what you mean by this. > What do I do if I want to keep the original mail tree? Why would you want to do that? You can keep the threading if you use the correct option to git-send-email but you really don't want to do that. thanks, greg k-h