diff --git a/install.sh b/install.sh
index 712a1e40..e8da7a3c 100755
--- a/install.sh
+++ b/install.sh
@@ -1,40 +1,32 @@
 #!/bin/bash
-
 # ==========================================================
 # 脚本名称: install.sh (v4.3.0 模块化终极引导入口)
 # 核心功能: 权限鉴定、沙盒创建、Ctrl+C 熔断保护、业务流引导
 # ==========================================================
 
-# 1. 严格权限鉴权
 if [ "$EUID" -ne 0 ]; then
   echo -e "\033[31m❌ 权限被拒绝: 部署 IP-Sentinel 需要最高系统权限。\033[0m"
   echo -e "💡 请切换到 root 用户 (执行 su root 或 sudo -i) 后重新运行指令。"
   exit 1
 fi
 
-# 2. [沙盒机制] 创建安全挂载点
 SECURE_TMP=$(mktemp -d /tmp/ips_install.XXXXXX)
 
-# ----------------------------------------------------------
-# [中断防护] 严格捕获 Ctrl+C 人为中断，执行优雅的战场清理
-# ----------------------------------------------------------
 cleanup_and_exit() {
     echo -e "\n\n\033[33m⚠️ 检测到中断信号 (Ctrl+C)，安装操作已被手动中止。\033[0m"
     echo -e "🧹 正在清理临时沙盒文件..."
     rm -rf "$SECURE_TMP" 2>/dev/null
     exit 1
 }
-# 绑定系统级中断引信
 trap cleanup_and_exit INT QUIT TERM
 trap 'rm -rf "$SECURE_TMP" 2>/dev/null' EXIT HUP
 
-# 测试期指向当前重构开发分支
 REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/main"
 
 echo -e "\n⏳ 正在拉取 IP-Sentinel v4.3.0 安装模块引擎..."
 
-# 3. 仅拉取总指挥大管家
-curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/build_agent.sh" -o "${SECURE_TMP}/build_agent.sh"
+# 【核心防线】追加 ?t=$(date +%s) 强行击穿 GitHub CDN 缓存
+curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/build_agent.sh?t=$(date +%s)" -o "${SECURE_TMP}/build_agent.sh"
 
 if [ ! -s "${SECURE_TMP}/build_agent.sh" ]; then
     echo -e "\033[31m❌ 致命错误：核心安装引擎拉取失败！网络阻断或 GitHub Raw 异常。\033[0m"
@@ -44,12 +36,7 @@ fi
 export SECURE_TMP
 export REPO_RAW_URL
 
-# ==========================================================
-# 【业务交接】转移控制权至大管家
-# 由于已废弃管道流安装法，终端输入天然纯净，无需再重定向 /dev/tty
-# ==========================================================
 chmod +x "${SECURE_TMP}/build_agent.sh"
 bash "${SECURE_TMP}/build_agent.sh"
 
-# 透传子进程的退出状态码
 exit $?
diff --git a/install/build_agent.sh b/install/build_agent.sh
index e9428caa..8bd789f1 100755
--- a/install/build_agent.sh
+++ b/install/build_agent.sh
@@ -17,7 +17,7 @@ MODULES=(
 
 # 1. 串行拉取子模块资产
 for mod in "${MODULES[@]}"; do
-    curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/${mod}" -o "${SECURE_TMP}/${mod}"
+    curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/${mod}?t=$(date +%s)" -o "${SECURE_TMP}/${mod}"
     if [ ! -s "${SECURE_TMP}/${mod}" ]; then
         echo -e "\033[31m❌ 致命错误：依赖模块 [${mod}] 装载失败！\033[0m"
         exit 1
diff --git a/install/build_master.sh b/install/build_master.sh
index 3028a6e6..524e119e 100755
--- a/install/build_master.sh
+++ b/install/build_master.sh
@@ -14,7 +14,7 @@ MODULES=(
 )
 
 for mod in "${MODULES[@]}"; do
-    curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/${mod}" -o "${SECURE_TMP}/${mod}"
+    curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/${mod}?t=$(date +%s)" -o "${SECURE_TMP}/${mod}"
     if [ ! -s "${SECURE_TMP}/${mod}" ]; then
         echo -e "\033[31m❌ 致命错误：中枢依赖模块 [${mod}] 装载失败！\033[0m"
         exit 1
diff --git a/master/install_master.sh b/master/install_master.sh
index 87b4b3d7..db21cc2f 100755
--- a/master/install_master.sh
+++ b/master/install_master.sh
@@ -4,7 +4,6 @@
 # 核心功能: 极简引导入口。包含 Ctrl+C 优雅中断，采用物理文件执行规避管道污染
 # ==========================================================
 
-# [中断防护] 捕获 Ctrl+C 并执行优雅清理
 cleanup_and_exit() {
     echo -e "\n\n\033[33m⚠️ 检测到中断信号 (Ctrl+C)，安装操作已被手动中止。\033[0m"
     echo -e "🧹 正在清理临时沙盒文件..."
@@ -25,8 +24,8 @@ REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/main"
 
 echo -e "\n⏳ 正在拉取 IP-Sentinel Master v4.3.0 安装引擎..."
 
-# 仅拉取编排大管家
-curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/build_master.sh" -o "${SECURE_TMP}/build_master.sh"
+# 【核心防线】追加 ?t=$(date +%s) 强行击穿 GitHub CDN 缓存
+curl -fsSL --connect-timeout 10 --retry 3 "${REPO_RAW_URL}/install/build_master.sh?t=$(date +%s)" -o "${SECURE_TMP}/build_master.sh"
 
 if [ ! -s "${SECURE_TMP}/build_master.sh" ]; then
     echo -e "\033[31m❌ 致命错误：中枢安装引擎拉取失败！\033[0m"
@@ -36,10 +35,7 @@ fi
 export SECURE_TMP
 export REPO_RAW_URL
 
-# 【核心解法】不再使用 exec 劫持或 source 嵌套
-# 直接以子进程物理文件方式运行，这样终端交互 (TTY) 将自然纯净，毫无污染
 chmod +x "${SECURE_TMP}/build_master.sh"
 bash "${SECURE_TMP}/build_master.sh"
 
-# 透传子进程的退出状态码
 exit $?