Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/commits/commit/dc7e8b94579f0c6a08f4ba3d7dc4a7eebebf7552/resources/library/applications/Edit%20HTML.wgt/markitup/sets/html/images/image.png You should set ROOT_URL correctly, otherwise the web may not work correctly.