[@sub0810 Participant 5 years, 9 months ago]

Thank you for your help.
But your code does not work correctly.

bbp_template_before_replies_loop
in reply page
[Title]
[Breadcrumb]
[Search form]

bbp_theme_after_forum_title
in forum page
[Forum title]
[Search form]
[Forum title]
[Search form]
[Forum title]
and loop

These are not my target.