diff --git a/03.PVE系统调整.md b/03.PVE系统调整.md
index 18d20f2..dfef316 100644
--- a/03.PVE系统调整.md
+++ b/03.PVE系统调整.md
@@ -301,13 +301,13 @@ $ editor /etc/apt/apt.conf.d/20auto-upgrades
 
 清空当前全部配置项后，输入以下内容，并保存。  
 
-配置文件中，用来控制更新周期的参数为 `APT::Periodic::Unattended-Upgrade` ，`5` 表示更新周期为 `5` 天。  
+配置文件中，用来控制更新周期的参数为 `APT::Periodic::Unattended-Upgrade` ，`10` 表示更新周期为 `10` 天。  
 
 ```bash
 ## 系统更新周期配置项
 
 APT::Periodic::Update-Package-Lists "1";
-APT::Periodic::Unattended-Upgrade "5";
+APT::Periodic::Unattended-Upgrade "10";
 APT::Periodic::AutocleanInterval "1";
 APT::Periodic::CleanInterval "1";
 
diff --git a/06.PVE制作DNS服务器.md b/06.PVE制作DNS服务器.md
index 0c93598..6847df2 100644
--- a/06.PVE制作DNS服务器.md
+++ b/06.PVE制作DNS服务器.md
@@ -210,7 +210,7 @@ $ sudo systemctl stop dnsmasq.service
 
 ```bash
 ## 下载 SmartDNS 安装包
-$ curl -LR https://github.com/pymumu/smartdns/releases/download/Release48.2/smartdns.1.2026.06.28-1614.x86_64-linux-all.tar.gz | tar -xz -C /tmp
+$ curl -LR https://github.com/pymumu/smartdns/releases/download/Release48.4/smartdns.1.2026.08.05-0921.x86_64-linux-all.tar.gz | tar -xz -C /tmp
 
 ## 安装 SmartDNS
 $ sudo /tmp/smartdns/install -i
diff --git a/src/pve/pve_x550_nbase_t.conf b/src/pve/pve_x550_nbase_t.conf
new file mode 100644
index 0000000..ac2c41d
--- /dev/null
+++ b/src/pve/pve_x550_nbase_t.conf
@@ -0,0 +1,6 @@
+# This configuration file is customized by fox,
+# Optimize for X550-T1: advertise 100M / 1G / 2.5G / 5G / 10G.
+
+iface nic1 inet manual
+    pre-up /usr/sbin/ethtool -s nic1 autoneg on advertise 0x1800000001028 || true
+