ERROR(404) request controller about.html error

#0 /home/huipai/website2022/app/system/core.php(61): app::run()

#1 /home/huipai/website2022/app/system/core.php(309): app::{closure}()

#2 /home/huipai/website2022/app/system/core.php(291): route::call()

#3 /home/huipai/website2022/app/system/core.php(62): route::run()

#4 /home/huipai/website2022/www/index.php(87): app::start()

#5 {main}