Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/26466abab4af35e6bd98b9196a30d89d8103d7e1/resources/images/virtual.keyboard/41/right-passive.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.