diff --git a/start.sh b/start.sh
index f2bf008..d475f27 100755
--- a/start.sh
+++ b/start.sh
@@ -6,67 +6,150 @@ echo "==========================="
 echo "🚀 开始自动安装 Docker 和 Docker Compose"
 echo "==========================="
 
-# 获取操作系统类型
-OS=$(hostnamectl | grep "Operating System" | awk '{print $3}')
+# 获取操作系统类型和版本
+OS_FAMILY=$(hostnamectl | grep "Operating System" | awk '{print $3}')
+OS_VERSION=""
+if [[ "$OS_FAMILY" == "CentOS" ]]; then
+    OS_VERSION=$(grep -oP '(?<=^VERSION_ID=")[0-9.]+' /etc/os-release | cut -d'.' -f1)
+elif [[ "$OS_FAMILY" == "Ubuntu" ]]; then
+    OS_VERSION=$(lsb_release -cs)
+fi
+
+# 函数：检查并等待网络连接
+check_network() {
+    echo "🌐 检查网络连接..."
+    for i in {1..10}; do
+        if curl -sSf https://download.docker.com/ &> /dev/null; then
+            echo "✅ 网络连接正常。"
+            return 0
+        else
+            echo "⚠️ 网络连接异常或无法访问 Docker 仓库，等待 10 秒后重试... ($i/10)"
+            sleep 10
+        fi
+    done
+    echo "❌ 无法建立网络连接到 Docker 仓库，请检查您的网络配置。"
+    exit 1
+}
+
+# 预检网络连接
+check_network
 
 # Docker 安装
 if command -v docker &> /dev/null; then
     echo "✅ Docker 已安装，跳过安装步骤"
 else
-    if [[ "$OS" == "Ubuntu" ]]; then
+    if [[ "$OS_FAMILY" == "Ubuntu" ]]; then
         echo "📦 安装依赖 (Ubuntu)..."
         sudo apt update -y
         sudo apt install -y apt-transport-https ca-certificates curl software-properties-common gnupg lsb-release
 
         echo "🔑 添加 Docker GPG 密钥 (Ubuntu)..."
-        curl -fsSL https://mirrors.nwafu.edu.cn/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
+        # 使用国内镜像作为备用，或直接从 Docker 官方获取
+        curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg || \
+        curl -fsSL https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
 
         echo "🌍 添加 Docker 源 (Ubuntu)..."
-        sudo add-apt-repository -y "deb [arch=amd64] https://mirrors.nwafu.edu.cn/docker-ce/linux/ubuntu/ $(lsb_release -cs) stable"
+        echo \
+          "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+          $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
         sudo apt-get update -y
 
         echo "🐳 安装 Docker (Ubuntu)..."
-        sudo apt-get install -y docker.io
+        sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+        # 确保安装 docker-compose-plugin 而不是旧版 docker-compose
 
-    elif [[ "$OS" == "CentOS" ]]; then
+    elif [[ "$OS_FAMILY" == "CentOS" ]]; then
         echo "📦 安装依赖 (CentOS)..."
         sudo yum install -y yum-utils device-mapper-persistent-data lvm2
 
         echo "🌍 添加 Docker 源 (CentOS)..."
-        sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
+        # 尝试使用官方源，如果失败则提示用户检查网络或考虑配置国内镜像
+        sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo || {
+            echo "❌ 无法添加 Docker 官方源。请检查您的网络连接或尝试手动配置国内镜像源。"
+            exit 1
+        }
+
+        # CentOS 8+ 可能会遇到 module 冲突，禁用默认的 container-tools 模块
+        if [[ "$OS_VERSION" -ge "8" ]]; then
+            echo "⚙️ 禁用 CentOS 8+ 默认的 container-tools 模块以避免冲突..."
+            sudo yum module disable -y container-tools
+            sudo yum module enable -y container-tools:docker
+        fi
 
         echo "🐳 安装 Docker (CentOS)..."
-        sudo yum install -y docker-ce docker-ce-cli containerd.io
+        # 尝试安装 Docker CE 及其组件，包括 buildx 插件
+        sudo yum install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin || {
+            echo "❌ Docker 或其组件安装失败。请检查错误日志或尝试手动安装。"
+            echo "提示：如果遇到 'No more mirrors to try' 错误，可能是网络问题或防火墙阻止了访问。"
+            exit 1
+        }
 
     else
-        echo "❌ 未知操作系统，无法安装 Docker。"
+        echo "❌ 未知操作系统 ($OS_FAMILY)，无法安装 Docker。"
         exit 1
     fi
 
     echo "✅ 启动并设置 Docker 开机自启..."
     sudo systemctl enable docker
     sudo systemctl start docker
+    # 将当前用户添加到 docker 组，以便无需 sudo 运行 Docker 命令
+    if ! getent group docker | grep -qw "$USER"; then
+        echo "👥 将当前用户 ($USER) 添加到 docker 组..."
+        sudo usermod -aG docker "$USER"
+        echo "🔔 请注销并重新登录，以便更改生效。"
+    fi
 fi
 
-# Docker Compose 安装
-if command -v docker-compose &> /dev/null; then
-    echo "✅ Docker Compose 已安装，跳过安装步骤"
+# Docker Compose 安装（使用 docker-compose-plugin 替代独立安装）
+# 新版 Docker 建议使用 docker-compose-plugin，它是 Docker CLI 的一部分
+if command -v docker-compose &> /dev/null && ! command -v docker-compose-plugin &> /dev/null; then
+    echo "⚠️ 检测到旧版 Docker Compose 独立安装，建议升级到 docker-compose-plugin。"
+    echo "⚙️ 尝试安装 docker-compose-plugin..."
+    if [[ "$OS_FAMILY" == "Ubuntu" ]]; then
+        sudo apt-get install -y docker-compose-plugin
+    elif [[ "$OS_FAMILY" == "CentOS" ]]; then
+        sudo yum install -y docker-compose-plugin
+    fi
+    # 移除旧版，如果旧版存在且已成功安装新版
+    if command -v docker-compose-plugin &> /dev/null && [[ -f "/usr/local/bin/docker-compose" ]]; then
+        echo "🗑️ 移除旧版 Docker Compose 独立安装..."
+        sudo rm -f /usr/local/bin/docker-compose
+    fi
+elif command -v docker-compose-plugin &> /dev/null; then
+    echo "✅ Docker Compose (插件版) 已安装，跳过安装步骤"
 else
-    echo "⚙️ 安装 Docker Compose..."
-    # 假设 docker-compose-linux-x86_64 文件与脚本在同一目录下
-    sudo mv ./docker-compose-linux-x86_64 /usr/local/bin/docker-compose
-    # 设置权限
-    sudo chmod +x /usr/local/bin/docker-compose
+    echo "⚙️ 安装 Docker Compose (插件版)..."
+    if [[ "$OS_FAMILY" == "Ubuntu" ]]; then
+        sudo apt-get install -y docker-compose-plugin
+    elif [[ "$OS_FAMILY" == "CentOS" ]]; then
+        sudo yum install -y docker-compose-plugin
+    else
+        echo "❌ 未知操作系统，无法安装 Docker Compose 插件版。"
+        exit 1
+    fi
 fi
 
 echo "📌 Docker 运行状态:"
 sudo systemctl status docker --no-pager || true
 
 echo "📌 Docker Compose 版本:"
-docker-compose -v
+# 优先使用 docker compose 命令（新版），如果不行再尝试 docker-compose（旧版或别名）
+if command -v docker &> /dev/null && docker compose version &> /dev/null; then
+    docker compose version
+elif command -v docker-compose &> /dev/null; then
+    docker-compose -v
+else
+    echo "❌ 无法检测 Docker Compose 版本。"
+fi
 
 echo "🎉 Docker 和 Docker Compose 已就绪！"
 
 echo "🚀 启动EasyAI"
-sudo docker-compose pull && sudo docker-compose up -d
+# 对于新版 docker-compose-plugin，命令是 'docker compose'
+if command -v docker &> /dev/null && docker compose version &> /dev/null; then
+    sudo docker compose pull && sudo docker compose up -d
+else # 兼容旧版独立安装的 docker-compose
+    sudo docker-compose pull && sudo docker-compose up -d
+fi
 echo "🎉EasyAI应用启动成功"
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