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/ca1d7a07b8b033c07974c5116ede19e7e57ed426/os/build.rs You should set ROOT_URL correctly, otherwise the web may not work correctly.