diff --git a/README.md b/README.md
index e848788..149fdc9 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,20 @@
 # install_docker_offline
 
+# 操作手册
+
+### 例如：
+1. docker-20.10.10.tgz 改成 docker.tgz 
+2. docker-compose-1.27.4 改成 docker-compose 
+3. 20.10.10 + 1.27.4 属于稳定版
+
+~~~shell
+
+mv docker-20.10.10.tgz docker.tgz
+mv docker-compose-1.27.4 docker-compose
+./install_docker_offline.sh
+
+~~~
+
+### 注：会遇到 containerd-shim-runc-v2 问题，最好用ubuntu用命令补充安装
+1. apt update
+2. apt install containerd
\ No newline at end of file
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diff --git a/install_docker_offline.sh b/install_docker_offline.sh
new file mode 100644
index 0000000..f8abf98
--- /dev/null
+++ b/install_docker_offline.sh
@@ -0,0 +1,195 @@
+#!/bin/bash
+set -e
+
+DOCKER_TGZ="docker.tgz"
+COMPOSE_BIN="docker-compose"
+INSTALL_DIR="/usr/bin"
+SYSTEMD_DIR="/etc/systemd/system"
+DAEMON_JSON="/etc/docker/daemon.json"
+
+# ===============================
+# 多个镜像加速器 (按需修改)
+# ===============================
+REGISTRY_MIRRORS=(
+"https://docker-cf.registry.cyou"
+"https://docker.registry.cyou"
+"https://hub.uuuadc.top"
+"https://docker.anyhub.us.kg"
+"https://dockerhub.jobcher.com"
+"https://dockerhub.icu"
+"https://docker.ckyl.me"
+"https://docker.awsl9527.cn"
+"https://docker.rainbond.cc"
+"https://docker.1panel.live"
+"https://docker.1ms.run"
+"https://hub.rat.dev"
+"https://docker.jsdelivr.fyi"
+"https://dockerpull.com"
+"https://dockerproxy.cn"
+"https://docker.m.daocloud.io"
+"https://hub.gog.email"
+"https://7dg5h62m.mirror.aliyuncs.com"
+"https://registry.cn-hangzhou.aliyuncs.com"
+"https://dockerhub.azk8s.cn",
+"https://hub-mirror.c.163.com"
+"https://mirrors.ustc.edu.cn"
+"https://hub.c.163.com"
+)
+
+echo "=== Docker Offline Installer (Full Version) ==="
+
+###############################################
+# 函数：卸载旧 Docker
+###############################################
+uninstall_old_docker() {
+    echo "------ 开始卸载旧 Docker ------"
+
+    # systemd 停止服务
+    systemctl stop docker >/dev/null 2>&1 || true
+    systemctl stop docker.socket >/dev/null 2>&1 || true
+
+    # 删除二进制
+    rm -f /usr/bin/docker
+    rm -f /usr/bin/dockerd
+    rm -f /usr/bin/containerd
+    rm -f /usr/bin/runc
+    rm -f /usr/local/bin/docker-compose
+
+    # 针对 rpm 系统（CentOS / RHEL）
+    if command -v rpm >/dev/null 2>&1; then
+        rpm -qa | grep -E "docker|containerd" | xargs -r rpm -e --nodeps
+    fi
+
+    # 针对 deb 系统（Ubuntu / Debian）
+    if command -v dpkg >/dev/null 2>&1; then
+        apt-get remove -y docker docker-engine docker.io containerd runc >/dev/null 2>&1 || true
+    fi
+
+    echo "------ 卸载旧 Docker 完成 ------"
+}
+
+###############################################
+# 执行卸载
+###############################################
+uninstall_old_docker
+
+
+###############################################
+# 安装 Docker
+###############################################
+echo "1) 安装 Docker 二进制程序..."
+if [ ! -f "$DOCKER_TGZ" ]; then
+    echo "[ERROR] 未找到 docker.tgz，请放在当前目录"
+    exit 1
+fi
+
+tar -xf $DOCKER_TGZ
+cd docker
+
+cp docker* $INSTALL_DIR/
+[ -f "containerd" ] && cp containerd $INSTALL_DIR/
+[ -f "runc" ] && cp runc $INSTALL_DIR/
+
+cd ..
+
+
+###############################################
+# 创建 systemd 服务
+###############################################
+echo "2) 创建 systemd 服务文件..."
+
+cat > $SYSTEMD_DIR/docker.service <<EOF
+[Unit]
+Description=Docker Application Container Engine
+Documentation=https://docs.docker.com
+After=network.target
+
+[Service]
+Type=notify
+ExecStart=/usr/bin/dockerd
+ExecReload=/bin/kill -s HUP \\$MAINPID
+LimitNOFILE=infinity
+LimitNPROC=infinity
+LimitCORE=infinity
+TimeoutStartSec=0
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl daemon-reload
+
+
+###############################################
+# 配置 daemon.json（支持多个 registry mirrors）
+###############################################
+echo "3) 配置 daemon.json (支持多个 registry mirrors)..."
+
+mkdir -p /etc/docker
+
+# 生成 JSON 数组字符串
+MIRROR_JSON=""
+for m in "${REGISTRY_MIRRORS[@]}"; do
+    if [ -z "$MIRROR_JSON" ]; then
+        MIRROR_JSON="\"$m\""
+    else
+        MIRROR_JSON="$MIRROR_JSON, \"$m\""
+    fi
+done
+
+if [ ! -f "$DAEMON_JSON" ]; then
+    echo "[INFO] daemon.json 不存在，正在创建..."
+    cat > $DAEMON_JSON <<EOF
+{
+  "registry-mirrors": [ $MIRROR_JSON ]
+}
+EOF
+else
+    echo "[INFO] daemon.json 已存在，正在合并 registry-mirrors ..."
+    if grep -q "registry-mirrors" "$DAEMON_JSON"; then
+        sed -i "s#\"registry-mirrors\": \[[^]]*\]#\"registry-mirrors\": [ $MIRROR_JSON ]#" "$DAEMON_JSON"
+    else
+        sed -i "s#^{#{\n  \"registry-mirrors\": [ $MIRROR_JSON ],#" "$DAEMON_JSON"
+    fi
+fi
+
+echo "daemon.json 当前内容："
+cat $DAEMON_JSON
+
+
+###############################################
+# 启动 Docker
+###############################################
+echo "4) 启动 Docker 服务..."
+systemctl enable docker
+systemctl restart docker
+
+
+###############################################
+# 安装 docker-compose
+###############################################
+echo "5) 安装 docker-compose..."
+
+if [ ! -f "$COMPOSE_BIN" ]; then
+    echo "[ERROR] 未找到 docker-compose 文件"
+    exit 1
+fi
+
+cp $COMPOSE_BIN /usr/local/bin/docker-compose
+chmod +x /usr/local/bin/docker-compose
+
+
+###############################################
+# 验证安装
+###############################################
+echo "6) 验证安装..."
+
+echo -n "Docker 版本: "
+docker --version || echo "Docker 未正确安装"
+
+echo -n "Compose 版本: "
+docker-compose --version || echo "Compose 未正确安装"
+
+echo "=== Docker 离线安装（含自动卸载旧版本 + 多镜像加速）完成 ==="
+