Can you show me

M-x emacs-version
M-x org-version

Please?


On Mon, Jan 9, 2017 at 2:48 PM, Nicolas Goaziou <mail@nicolasgoaziou.fr> wrote:
Hello,

Young-whan <youngsong15@gmail.com> writes:

> Yes, I did and in case, I've relaunched emacs, reload the buffer, etc.
> Nothing is working.

Maybe you have a mixed installation. I cannot reproduce your problem
here, with the following buffer

  #+property: repeat_to_state repeat
  #+TODO: TODO(t/!) REPEAT(r/!) | DONE(d)

  * REPEAT Task
  SCHEDULED: <2017-01-01 Wed +1d>

Regards,

--
Nicolas Goaziou