deb http://mirrors.tencent.com/ubuntu/ jammy main restricted universe multiverse
deb http://mirrors.tencent.com/ubuntu/ jammy-security main restricted universe multiverse
deb http://mirrors.tencent.com/ubuntu/ jammy-updates main restricted universe multiverse
#deb http://mirrors.tencent.com/ubuntu/ jammy-proposed main restricted universe multiverse
#deb http://mirrors.tencent.com/ubuntu/ jammy-backports main restricted universe multiverse
deb-src http://mirrors.tencent.com/ubuntu/ jammy main restricted universe multiverse
deb-src http://mirrors.tencent.com/ubuntu/ jammy-security main restricted universe multiverse
deb-src http://mirrors.tencent.com/ubuntu/ jammy-updates main restricted universe multiverse
#deb-src http://mirrors.tencent.com/ubuntu/ jammy-proposed main restricted universe multiverse
#deb-src http://mirrors.tencent.com/ubuntu/ jammy-backports main restricted universe multiverse