自动替换

sed -i 's@^\(deb.*stable main\)$@#\1\ndeb https://mirrors.tuna.tsinghua.edu.cn/termux/termux-packages-24 stable main@' $PREFIX/etc/apt/sources.list
sed -i 's@^\(deb.*games stable\)$@#\1\ndeb https://mirrors.tuna.tsinghua.edu.cn/termux/game-packages-24 games stable@' $PREFIX/etc/apt/sources.list.d/game.list
sed -i 's@^\(deb.*science stable\)$@#\1\ndeb https://mirrors.tuna.tsinghua.edu.cn/termux/science-packages-24 science stable@' $PREFIX/etc/apt/sources.list.d/science.list
apt update && apt upgrade

手动修改
编辑 $PREFIX/etc/apt/sources.list 修改为如下内容

# The termux repository mirror from TUNA:
deb https://mirrors.tuna.tsinghua.edu.cn/termux/termux-packages-24 stable main

编辑 $PREFIX/etc/apt/sources.list.d/science.list 修改为如下内容

# The termux repository mirror from TUNA:
deb https://mirrors.tuna.tsinghua.edu.cn/termux/science-packages-24 science stable

编辑 $PREFIX/etc/apt/sources.list.d/game.list 修改为如下内容

# The termux repository mirror from TUNA:
deb https://mirrors.tuna.tsinghua.edu.cn/termux/game-packages-24 games stable