如何让emacs启动时echo area不显示信息(recentf,yas)

[Roife]

现在我的echo area每次都会显示

Loading /Users/xxx/.emacs.d/recentf...done
Cleaning up the recentf list...done (0 removed)
[yas] Prepared just-in-time loading of snippets successfully.

[zmqclee]

(with-temp-message ""
       (require 'recentf)
       (recentf-mode 1))