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i-lucide-info\n---\n\n「关于」是一个独立的小窗口，展示 UDhold 的版本和运行环境信息。\n\n## 打开方式\n\n主面板顶部菜单栏点「帮助 → 关于 UDhold」。\n\n窗口里能看到：\n\n- 当前 UDhold 的版本号\n- 内核版本（系统 WebView 内核）\n- 操作系统信息\n\n## 检查更新\n\nUDhold 启动时会自动检查是否有新版本。发现新版本时，搜索框右侧显示「新版本已下载，点击升级」绿色提示条；点击提示确认，下载完成后自动唤出安装界面。\n\n也可以手动触发：\n\n- 系统托盘图标右键 →「检测更新」\n- 主面板顶部菜单栏「帮助 → 检测更新」\n\n### 更新机制\n\n更新直接下发对应平台的完整安装包（Windows 为 exe，macOS 为 dmg），下载完成后自动唤出安装界面，按提示装完即完成升级，用户数据不会丢失。\n\n::tip\n如果自动更新失败，可手动到 UDhold 官网下载最新版覆盖安装，用户数据不会丢失。\n::\n\n## 跨平台差异\n\n| 功能 | macOS | Windows |\n|------|-------|---------|\n| 全局快捷键 | `Option+Z`（默认） | `Alt+Z`（默认） |\n| 系统终端 | Terminal \u002F iTerm | CMD \u002F PowerShell |\n| 资源管理器 | Finder | 资源管理器（explorer.exe） |\n| 文件路径 | `\u002FUsers\u002F...` | `C:\\Users\\...` |\n| 右键菜单 | 系统原生 | 系统原生（含第三方扩展） |\n\n## 数据备份与迁移\n\nUDhold 的所有用户数据存放在以下位置：\n\n- **Windows**：`%APPDATA%\\UDhold\\`（即 `C:\\Users\\\u003C用户名>\\AppData\\Roaming\\UDhold\\`）\n- **macOS**：`~\u002FLibrary\u002FApplication Support\u002FUDhold\u002F`\n\n包含：用户设置、固定列表、剪贴板历史、插件数据等。\n\n**迁移到新电脑**：\n\n1. 关闭 UDhold\n2. 复制上述整个目录到新电脑对应位置\n3. 启动 UDhold，所有设置和插件都会保留\n",{"title":64,"description":412},"W4oGtZClWQME2c4HTDuQ_Cn8EYNa3hd_E01aH4dC8nA",[420,422],{"title":59,"path":60,"stem":61,"description":421,"icon":62},"内置的轻量 AI 对话助手：多会话、多模型切换、流式输出、图片识别、思考过程展示。",{"title":68,"path":69,"stem":70,"description":423,"icon":29},"UDhold 自带的系统级指令：截图、取色、锁屏、关机、打开网址、复制路径等。",1793010253040]