diff --git a/Proxmox-Virtual-Environment.md b/Proxmox-Virtual-Environment.md
index 967359d..fdc5367 100644
--- a/Proxmox-Virtual-Environment.md
+++ b/Proxmox-Virtual-Environment.md
@@ -47,4 +47,5 @@ deb https://mirrors.ustc.edu.cn/proxmox/debian/pve bookworm pve-no-subscription
 #备份源文件
 cp /usr/share/perl5/PVE/APLInfo.pm /usr/share/perl5/PVE/APLInfo.pm_back
 #更换源
+sed -i 's|http://download.proxmox.com|https://mirrors.ustc.edu.cn/proxmox|g' /usr/share/perl5/PVE/APLInfo.pm
 ```
\ No newline at end of file