如何使用C-x k杀死在服务器模式下打开的Emacs缓冲区？

I use windows batch file to open files in an already-running instance of Emacs using emacsclientw.exe. However, any file opened that way is opened in server mode, which means that I have to use C-x # to kill it, instead of the usual C-x k. How do I change this behavior?I use windows batch file to open files in an al