Your ROOT_URL in app.ini is https://bdgit.educoder.net/ but you are visiting http://bdgit.educoder.net/rcore_test/rCore-Tutorial-v3-tests/commits/commit/04114ad949d7b4da2f75e3a00e05c2bd593ae08e/easy-fs You should set ROOT_URL correctly, otherwise the web may not work correctly.