You can type the post name as emacs/test-easy-hugo-in-emacs to put the post in subdirectory

#+srcname: easy-hugo-newpost
#+begin_src emacs-lisp

(defun x/smart-create-hugo-newpost-with-current-buffer (post-file)
"file needs to have and extension '.md' or '.org' or '.ad' or '.rst' or '.mmark' or '.html'."
  (interactive (list (read-from-minibuffer
		      "输入文件名: "
		      `(,easy-hugo-default-ext . 1) nil nil nil)))
  (easy-hugo-with-env
   (let (
         (filename (expand-file-name post-file easy-hugo-postdir)) ;; file to create
         (file-ext (file-name-extension post-file)) ;; file extention
         (current-buffer-file-name (buffer-file-name)) ;; buffer to copy content
         )
     ;; Check file extention
     (when (not (member file-ext easy-hugo--formats))
       (error "please enter .%s or .org or .%s or .rst or .mmark or .%s file name"
	      easy-hugo-markdown-extension
	      easy-hugo-asciidoc-extension
	      easy-hugo-html-extension))
     ;; Check target file exists
     (when (file-exists-p (file-truename filename))
       (error "%s already exists!" filename))
     ;; Check if org is supported and defined
     (if (and (null easy-hugo-org-header)
	      (<= 0.25 (easy-hugo--version)))
	 (call-process "hugo" nil "*hugo*" t "new"
		       (file-relative-name filename
					   (expand-file-name "content" easy-hugo-basedir)))
       (progn
	 (if (or (string-equal file-ext easy-hugo-markdown-extension)
		 (string-equal file-ext easy-hugo-asciidoc-extension)
		 (string-equal file-ext "rst")
		 (string-equal file-ext "mmark")
		 (string-equal file-ext easy-hugo-html-extension))
	     (call-process "hugo" nil "*hugo*" t "new"
			   (file-relative-name filename
					       (expand-file-name "content" easy-hugo-basedir))))))
     ;; End of check org support

     ;; Kill temporary buffer
     (when (get-buffer "*hugo*")
       (kill-buffer "*hugo*"))

     ;; Open the new post with filename
     (find-file filename)
     ;;
     (when (or easy-hugo-org-header
	       (and (> 0.25 (easy-hugo--version))
		    (string-equal file-ext "org")))
       ;; Insert header
       (insert (easy-hugo--org-headers (file-name-base post-file)))
       (goto-char (point-max)))
       ;; Insert contents from another buffer
       (insert-file-contents current-buffer-file-name)
       (goto-char (point-max))
       (save-buffer)))
)
#+end_src