转自：https://*.com/questions/9637601/open-cygwin-at-a-specific-folder#
When you install Cygwin (or if you’ve already installed it, download it again and start setup again to run an update), make sure that you select the chere package under the "Shells" category.
After Cygwin is launched, open up a Cygwin terminal (as an administrator) and type the command: chere -i -t mintty.
Now you should have "Bash Prompt Here" in the Windows right-click context menu.
(mintty is Cygwin's default terminal. If you don't choose it with the -t option, your "Bash Prompt Here" will use the same terminal as the Windows Command Prompt, which prevents horizontal resizing.)