diff --git a/install.sh b/install.sh
index e9a8492..b8c047c 100644
--- a/install.sh
+++ b/install.sh
@@ -1,13 +1,18 @@
 #!/bin/bash
 
 ################################################################################
-# 玩玩云 (WanWanYun) - 一键部署脚本
+# 玩玩云 (WanWanYun) - 一键部署/卸载脚本
 # 项目地址: https://gitee.com/yu-yon/vue-driven-cloud-storage
-# 版本: v1.1.2
+# 版本: v1.1.3
 ################################################################################
 
 set -e
 
+# 检查运行模式
+MODE="install"
+if [[ "$1" == "--uninstall" ]] || [[ "$1" == "-u" ]] || [[ "$1" == "uninstall" ]]; then
+    MODE="uninstall"
+fi
 
 # 颜色定义
 RED='\033[0;31m'
@@ -1267,6 +1272,282 @@ print_completion() {
     echo ""
 }
 
+################################################################################
+# 卸载功能
+################################################################################
+
+print_uninstall_banner() {
+    clear
+    echo -e "${RED}"
+    echo "╔═══════════════════════════════════════════════════════════════╗"
+    echo "║                                                               ║"
+    echo "║                  ⚠️  玩玩云 卸载模式                           ║"
+    echo "║                                                               ║"
+    echo "║                  Uninstall Mode                              ║"
+    echo "║                                                               ║"
+    echo "╚═══════════════════════════════════════════════════════════════╝"
+    echo -e "${NC}"
+}
+
+confirm_uninstall() {
+    print_uninstall_banner
+
+    echo -e "${YELLOW}"
+    echo "本脚本将执行以下操作:"
+    echo ""
+    echo "【将要删除】"
+    echo "  ✓ PM2 进程: ${PROJECT_NAME}-backend"
+    echo "  ✓ 项目目录: ${PROJECT_DIR}"
+    echo "  ✓ Nginx 配置: /etc/nginx/sites-enabled/${PROJECT_NAME}.conf"
+    echo "  ✓ 数据库文件: ${PROJECT_DIR}/backend/data/"
+    echo "  ✓ 用户文件: ${PROJECT_DIR}/backend/storage/"
+    echo ""
+    echo "【将会保留】"
+    echo "  ✓ Node.js"
+    echo "  ✓ Nginx (程序本身)"
+    echo "  ✓ PM2 (程序本身)"
+    echo "  ✓ 编译工具 (build-essential等)"
+    echo -e "${NC}"
+    echo ""
+
+    print_warning "此操作不可逆，所有数据将被永久删除！"
+    echo ""
+
+    read -p "确定要卸载吗？ (yes/no): " confirm < /dev/tty
+
+    if [[ "$confirm" != "yes" ]]; then
+        print_info "已取消卸载"
+        exit 0
+    fi
+
+    echo ""
+    read -p "请再次确认 (yes/no): " confirm2 < /dev/tty
+
+    if [[ "$confirm2" != "yes" ]]; then
+        print_info "已取消卸载"
+        exit 0
+    fi
+
+    echo ""
+}
+
+uninstall_backup_data() {
+    print_step "备份用户数据..."
+
+    if [[ ! -d "$PROJECT_DIR" ]]; then
+        print_info "项目目录不存在，跳过备份"
+        return
+    fi
+
+    BACKUP_DIR="/root/${PROJECT_NAME}-backup-$(date +%Y%m%d-%H%M%S)"
+
+    echo ""
+    read -p "是否备份用户数据？ (y/n): " backup_choice < /dev/tty
+
+    if [[ "$backup_choice" == "y" || "$backup_choice" == "Y" ]]; then
+        mkdir -p "$BACKUP_DIR"
+
+        # 备份数据库
+        if [[ -d "${PROJECT_DIR}/backend/data" ]]; then
+            cp -r "${PROJECT_DIR}/backend/data" "$BACKUP_DIR/"
+            print_success "数据库已备份"
+        fi
+
+        # 备份用户文件
+        if [[ -d "${PROJECT_DIR}/backend/storage" ]]; then
+            cp -r "${PROJECT_DIR}/backend/storage" "$BACKUP_DIR/"
+            print_success "用户文件已备份"
+        fi
+
+        # 备份配置文件
+        if [[ -f "${PROJECT_DIR}/backend/.env" ]]; then
+            cp "${PROJECT_DIR}/backend/.env" "$BACKUP_DIR/"
+            print_success "配置文件已备份"
+        fi
+
+        print_success "备份已保存到: $BACKUP_DIR"
+        echo ""
+    else
+        print_warning "跳过备份，数据将被永久删除"
+        echo ""
+    fi
+}
+
+uninstall_stop_pm2() {
+    print_step "停止PM2进程..."
+
+    if command -v pm2 &> /dev/null; then
+        if pm2 list | grep -q "${PROJECT_NAME}-backend"; then
+            pm2 delete ${PROJECT_NAME}-backend
+            pm2 save --force
+            print_success "PM2进程已停止并删除"
+        else
+            print_info "PM2进程不存在，跳过"
+        fi
+    else
+        print_info "PM2未安装，跳过"
+    fi
+}
+
+uninstall_nginx_config() {
+    print_step "删除Nginx配置..."
+
+    local need_reload=false
+
+    # 删除sites-enabled软链接
+    if [[ -L /etc/nginx/sites-enabled/${PROJECT_NAME}.conf ]]; then
+        rm -f /etc/nginx/sites-enabled/${PROJECT_NAME}.conf
+        print_success "删除 sites-enabled 配置"
+        need_reload=true
+    fi
+
+    # 删除sites-available配置文件
+    if [[ -f /etc/nginx/sites-available/${PROJECT_NAME}.conf ]]; then
+        rm -f /etc/nginx/sites-available/${PROJECT_NAME}.conf
+        print_success "删除 sites-available 配置"
+    fi
+
+    # 测试并重载nginx
+    if [[ "$need_reload" == true ]] && command -v nginx &> /dev/null; then
+        if nginx -t &> /dev/null; then
+            systemctl reload nginx
+            print_success "Nginx配置已重载"
+        else
+            print_warning "Nginx配置测试失败，请手动检查"
+        fi
+    fi
+}
+
+uninstall_ssl_certificates() {
+    print_step "清理SSL证书..."
+
+    # 删除nginx SSL证书目录下的项目证书
+    local cert_removed=false
+    if [[ -d /etc/nginx/ssl ]]; then
+        # 使用find查找包含项目名或域名的证书
+        find /etc/nginx/ssl -name "*${PROJECT_NAME}*" -type f -delete 2>/dev/null && cert_removed=true
+    fi
+
+    if [[ "$cert_removed" == true ]]; then
+        print_success "已删除Nginx SSL证书"
+    else
+        print_info "未发现Nginx SSL证书"
+    fi
+
+    # 提示acme.sh证书
+    if [[ -d ~/.acme.sh ]]; then
+        if ~/.acme.sh/acme.sh --list 2>/dev/null | grep -q "Main_Domain"; then
+            print_info "检测到acme.sh证书"
+            print_warning "如需删除，请手动运行: ~/.acme.sh/acme.sh --remove -d <your-domain>"
+        fi
+    fi
+}
+
+uninstall_project_directory() {
+    print_step "删除项目目录..."
+
+    if [[ -d "$PROJECT_DIR" ]]; then
+        # 统计大小
+        SIZE=$(du -sh "$PROJECT_DIR" 2>/dev/null | cut -f1 || echo "未知")
+        print_info "项目目录大小: $SIZE"
+
+        # 删除目录
+        rm -rf "$PROJECT_DIR"
+        print_success "项目目录已删除: $PROJECT_DIR"
+    else
+        print_info "项目目录不存在: $PROJECT_DIR"
+    fi
+}
+
+uninstall_temp_files() {
+    print_step "清理临时文件..."
+
+    local cleaned=false
+
+    # 清理/tmp下的临时文件
+    if [[ -d "/tmp/${PROJECT_NAME}" ]]; then
+        rm -rf "/tmp/${PROJECT_NAME}"
+        print_success "删除临时目录"
+        cleaned=true
+    fi
+
+    # 清理npm缓存
+    if command -v npm &> /dev/null; then
+        npm cache clean --force &> /dev/null || true
+        print_success "清理npm缓存"
+        cleaned=true
+    fi
+
+    if [[ "$cleaned" == false ]]; then
+        print_info "无需清理"
+    fi
+}
+
+uninstall_check_residual() {
+    print_step "检查残留文件..."
+
+    local residual_found=false
+
+    # 检查项目目录
+    if [[ -d "$PROJECT_DIR" ]]; then
+        print_warning "残留: 项目目录 $PROJECT_DIR"
+        residual_found=true
+    fi
+
+    # 检查Nginx配置
+    if [[ -f /etc/nginx/sites-enabled/${PROJECT_NAME}.conf ]] || [[ -f /etc/nginx/sites-available/${PROJECT_NAME}.conf ]]; then
+        print_warning "残留: Nginx配置文件"
+        residual_found=true
+    fi
+
+    # 检查PM2进程
+    if command -v pm2 &> /dev/null; then
+        if pm2 list | grep -q "${PROJECT_NAME}"; then
+            print_warning "残留: PM2进程"
+            residual_found=true
+        fi
+    fi
+
+    if [[ "$residual_found" == false ]]; then
+        print_success "未发现残留文件"
+    fi
+}
+
+print_uninstall_completion() {
+    clear
+    echo -e "${GREEN}"
+    echo "╔═══════════════════════════════════════════════════════════════╗"
+    echo "║                                                               ║"
+    echo "║                    ✓ 卸载完成！                               ║"
+    echo "║                                                               ║"
+    echo "╚═══════════════════════════════════════════════════════════════╝"
+    echo -e "${NC}"
+    echo ""
+
+    echo -e "${CYAN}已删除内容:${NC}"
+    echo "  ✓ PM2进程"
+    echo "  ✓ 项目目录"
+    echo "  ✓ Nginx配置"
+    echo "  ✓ 数据库和用户文件"
+    echo ""
+
+    echo -e "${CYAN}保留的环境:${NC}"
+    echo "  ✓ Node.js $(node -v 2>/dev/null || echo '(未安装)')"
+    echo "  ✓ Nginx $(nginx -v 2>&1 | cut -d'/' -f2 || echo '(未安装)')"
+    echo "  ✓ PM2 $(pm2 -v 2>/dev/null || echo '(未安装)')"
+    echo "  ✓ 编译工具 (build-essential 等)"
+    echo ""
+
+    if [[ -n "$BACKUP_DIR" ]] && [[ -d "$BACKUP_DIR" ]]; then
+        echo -e "${YELLOW}备份位置:${NC}"
+        echo "  $BACKUP_DIR"
+        echo ""
+    fi
+
+    echo -e "${GREEN}感谢使用玩玩云！${NC}"
+    echo ""
+}
+
 ################################################################################
 # 主流程
 ################################################################################
@@ -1326,5 +1607,41 @@ main() {
     print_completion
 }
 
+uninstall_main() {
+    # 检查root权限
+    check_root
+
+    # 确认卸载
+    confirm_uninstall
+
+    # 备份数据
+    uninstall_backup_data
+
+    # 停止PM2进程
+    uninstall_stop_pm2
+
+    # 删除Nginx配置
+    uninstall_nginx_config
+
+    # 清理SSL证书
+    uninstall_ssl_certificates
+
+    # 删除项目目录
+    uninstall_project_directory
+
+    # 清理临时文件
+    uninstall_temp_files
+
+    # 检查残留
+    uninstall_check_residual
+
+    # 完成提示
+    print_uninstall_completion
+}
+
 # 执行主流程
-main
+if [[ "$MODE" == "uninstall" ]]; then
+    uninstall_main
+else
+    main
+fi