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/b732da242dcb9625883c97f4fafa6104ff87ddda/os/Cargo.toml You should set ROOT_URL correctly, otherwise the web may not work correctly.