通用于如何更新apt安装版本的jellyfin
第一步 获取GPG key
wget -O - https://repo.jellyfin.org/debian/jellyfin_team.gpg.key | sudo apt-key add -
第二步 添加存储库
echo "deb [arch=$( dpkg --print-architecture )] https://repo.jellyfin.org/debian $( lsb_release -c -s ) main" | sudo tee /etc/apt/sources.list.d/jellyfin.list
第三步 刷新applist
sudo apt update
第四步 更新jellyfin
sudo apt install jellyfin
更新后重启服务，不行就重启NAS
