diff --git a/devcontainer/apt-install-with-cache.sh b/devcontainer/apt-install-with-cache.sh
new file mode 100644
index 0000000..0fc7808
--- /dev/null
+++ b/devcontainer/apt-install-with-cache.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+#-------------------------------------------------------------------------------------------------------------
+# URL="https://git.1-h.cc/Scripts/Linux/raw/branch/2026/devcontainer/apt-install-with-cache.sh"; bash <(curl -fsSL "$URL") git vim curl
+#-------------------------------------------------------------------------------------------------------------
+
+# =================配置区域=================
+# 自定义缓存目录
+CACHE_DIR=${APT_CACHE_DIR:-"/vscode/apt-cache"}
+# =========================================
+
+START_TIME=$(date +%s)
+trap 'echo "⏱️  总耗时: $(($(date +%s) - $START_TIME))秒"' EXIT
+
+# 确定是否需要 sudo
+SUDO=""
+if [ "$EUID" -ne 0 ]; then
+  SUDO="sudo"
+fi
+
+# 检查是否有参数传入
+if [ $# -eq 0 ]; then
+  echo "用法: $0 <package1> <package2> ..."
+  exit 1
+fi
+
+PACKAGES="$@"
+
+# 创建临时日志文件
+LOG_FILE=$(mktemp)
+
+echo "----------------------------------------"
+echo "📦 缓存目录: $CACHE_DIR"
+echo "📝 日志文件: $LOG_FILE"
+echo "🎯 目标软件包: $PACKAGES"
+echo "----------------------------------------"
+
+# 1. 准备缓存目录结构
+# apt 需要在 archive 目录下有一个 partial 子目录，否则会报错
+if [ ! -d "$CACHE_DIR/partial" ]; then
+  echo "Creating cache directory..."
+  $SUDO mkdir -p "$CACHE_DIR/partial"
+fi
+
+echo "🔄 更新软件源..."
+# 自动更新源
+$SUDO apt-get update > "$LOG_FILE" 2>&1
+if [ $? -ne 0 ]; then
+    echo "❌ 更新失败，详细日志："
+    cat "$LOG_FILE"
+    exit 1
+fi
+
+# 2. 第一步：只下载，不安装 (Download Only)
+# -o Dir::Cache::archives="$CACHE_DIR" 告诉 apt 把包下载到我们指定的目录
+# --download-only 告诉 apt 只下载依赖包，不要解压安装
+echo "⬇️  正在检查并下载依赖..."
+$SUDO DEBIAN_FRONTEND=noninteractive apt-get install -y --download-only \
+    -o Dir::Cache::archives="$CACHE_DIR" \
+    $PACKAGES > "$LOG_FILE" 2>&1
+
+if [ $? -ne 0 ]; then
+    echo "❌ 下载依赖失败，详细日志："
+    cat "$LOG_FILE"
+    exit 1
+fi
+
+# 检查缓存命中情况
+if grep -q "Need to get 0 B" "$LOG_FILE"; then
+    echo "♻️  缓存命中：无需下载"
+elif grep -q "Need to get" "$LOG_FILE"; then
+    # 尝试提取下载大小，格式通常为 "Need to get XX MB of archives."
+    DOWNLOAD_INFO=$(grep "Need to get" "$LOG_FILE")
+    echo "⬇️  缓存未命中：$DOWNLOAD_INFO"
+else
+    echo "ℹ️  无需下载（可能已安装）"
+fi
+
+echo "✅ 依赖下载/缓存完成。"
+
+# 3. 第二步：安装 (Install)
+# 再次运行 install，指向同一个缓存目录。
+# apt 会检测到目录里已经有对应的 .deb 文件（且哈希值匹配），就会直接使用缓存，跳过下载。
+echo "🚀 开始安装..."
+$SUDO DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    -o Dir::Cache::archives="$CACHE_DIR" \
+    $PACKAGES > "$LOG_FILE" 2>&1
+
+if [ $? -eq 0 ]; then
+    echo "🎉 安装成功！"
+else
+    echo "❌ 安装失败，详细日志："
+    cat "$LOG_FILE"
+    exit 1
+fi
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