diff --git a/05.PVE制作虚拟机模板.md b/05.PVE制作虚拟机模板.md
index a87d912..75ac243 100644
--- a/05.PVE制作虚拟机模板.md
+++ b/05.PVE制作虚拟机模板.md
@@ -154,7 +154,7 @@ $ sudo apt dist-upgrade
 
 ```bash
 ## 安装系统软件
-$ sudo apt install qemu-guest-agent zsh git htop lm-sensors tmux cron nftables sshguard
+$ sudo apt install qemu-guest-agent zsh git htop tmux cron nftables sshguard
 
 ## 安装系统自动更新工具
 $ sudo apt install unattended-upgrades powermgmt-base python3-gi
diff --git a/src/debian_sources.conf b/src/debian_sources.conf
index 7319de0..b04634d 100644
--- a/src/debian_sources.conf
+++ b/src/debian_sources.conf
@@ -1,10 +1,10 @@
 Types: deb
-URIs: mirror+file:///etc/apt/mirrors/debian.list
+URIs: https://mirrors.ustc.edu.cn/debian
 Suites: bookworm bookworm-updates bookworm-backports
 Components: main contrib non-free non-free-firmware
 
 Types: deb
-URIs: mirror+file:///etc/apt/mirrors/debian-security.list
+URIs: https://mirrors.ustc.edu.cn/debian-security
 Suites: bookworm-security
 Components: main contrib non-free non-free-firmware