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/src/commit/3e47a0dbee68b78cd362f41d4534677a52ff6f4e/easy-fs You should set ROOT_URL correctly, otherwise the web may not work correctly.