修复宝塔，提示错误。ubuntu20

2023-08-05 00:52:16 (234 MB/s) - ‘Tpublic.sh’ saved [4377/4377]

cat: /etc/redhat-release: No such file or directory
/tools/fix_install.sh: Scheme missing.
/install/update/LinuxPanel-8.0.1.zip: Scheme missing.
获取更新包失败，请稍后更新或联系宝塔运维

安装php7.4，也提示错误：
install_soft.sh: line 8: /www/server/panel/install/public.sh: No such file or directory/install/4/php.sh: Scheme missing.--2023-08-05 00:52:50-- https://download.bt.cn/install/public.shResolving download.bt.cn (download.bt.cn)... 42.157.129.47, 240e:a5:4200:89::256Connecting to download.bt.cn (download.bt.cn)|42.157.129.47|:443... connected.ERROR: cannot verify download.bt.cn's certificate, issued by ‘CN=sslTrus (RSA) OV CA,O=sslTrus,C=CN’:Unable to locally verify the issuer's authority.To connect to download.bt.cn insecurely, use `--no-check-certificate'.https://download.bt.cn|-Successify --- 命令已执行! -------------------