Your ROOT_URL in app.ini is https://scm.trinitydesktop.org/gitea/ but you are visiting https://scm.trinitydesktop.net/gitea/TDE/tqt3/src/commit/85b69937a320d0f7fdb4fd7703cfe41e92d6a67b/doc/html/mw-laymainwidg.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.