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/315e61da1ab3f96c89b0e4cb1862ca6e2a6a9406/os?page=2 You should set ROOT_URL correctly, otherwise the web may not work correctly.