diff --git a/3.PVE系统调整.md b/3.PVE系统调整.md
index 563704c..f0e16d0 100644
--- a/3.PVE系统调整.md
+++ b/3.PVE系统调整.md
@@ -9,10 +9,10 @@
 apt update
 
 ## 安装系统软件
-apt install htop lm-sensors unzip fail2ban vim tmux unattended-upgrades apt-listchanges powermgmt-base 
+apt install htop lm-sensors unzip vim tmux unattended-upgrades apt-listchanges powermgmt-base 
 
 ## 安装网络工具
-apt install iperf iperf3 iftop net-tools ethtool
+apt install iperf iperf3 iftop ethtool
 
 ## 安装CPU调度调整工具
 apt install cpufrequtils