Your ROOT_URL in app.ini is https://scm.trinitydesktop.org/gitea/ but you are visiting https://scm.trinitydesktop.net/gitea/TDE/tqt3/blame/commit/1ba13366a7a377d50b9e8df9044ce11d8209f98c/examples/network/mail/composer.h
You should set ROOT_URL correctly, otherwise the web may not work correctly.