更新UPDATE

UPDATE.md

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 | 版本号/功能 | CH340驱动 | 聊天功能 | 中文聊天 | SQLite管理 | 串口处理 | 剪贴板 | 背景运行 | 阅后即焚 | Github CI | 聊天增强 | 缓存内容 |
 | --------- | --------- | -------- | -------- | -------- | -------- | -------- | -------- | ------- | :------: | -------- | -------- |
-| [1.3.280.2024.0718](https://github.com/Hny0305Lin/NLChat/tree/v1.3.280.2024.0718) | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | 💦部分机型Bug,后续修复 | ❌ | [✅点我查看](https://github.com/Hny0305Lin/NLChat/actions/runs/9988892829/job/27606336860) | ❌ | ❌ |
+| [1.3.280.2024.0718](https://github.com/Hny0305Lin/NLChat/tree/v1.3.280.2024.0718) | ✅ | ✅预览消息性能问题 | ✅ | ✅SQLite需要优化 | ✅ | ✅ | 💦部分机型Bug,后续修复 | ❌ | [✅点我查看](https://github.com/Hny0305Lin/NLChat/actions/runs/9988892829/job/27606336860) | ❌ | ❌ |
 | [1.3.273.2024.0717.Alpha](https://github.com/Hny0305Lin/NLChat/tree/v1.3.273.2024.0717.Alpha) | ✅ | ✅ | ✅ | ✅SQLite修复中 | ✅ | ✅ | 💦有发现Bug,修复中 | ❌ | [✅点我查看](https://github.com/Hny0305Lin/NLChat/actions/runs/9968892336/job/27544892288) | ❌ | ❌ |
 | [1.3.269.2024.0716](https://github.com/Hny0305Lin/NLChat/tree/v1.3.269.2024.0716) | ✅ | ✅调整核心代码 | ✅ | 💦SQLite部分功能暂时下线 | ✅ | ✅客户板日志OK | ✅ | ❌ | [✅点我查看](https://github.com/Hny0305Lin/NLChat/actions/runs/9949202863/job/27485061738) | ❌ | ❌ |
 | [1.3.266.2024.0716](https://github.com/Hny0305Lin/NLChat/tree/v1.3.266.2024.0716) | ✅ | ✅删除老旧代码页面 | ✅ | 💦 | ✅ | ✅修复MAC地址获取问题 | ✅ | ❌ | [✅点我查看](https://github.com/Hny0305Lin/NLChat/actions/runs/9948692531/job/27483727684) | ❌ | ❌ |