您可以通过应用内的导出功能备份您的数据：

You can back up your data through the export function within the app:

1. 打开应用，进入"设置"页面
2. Open the app and go to the "Settings" page
3. 点击"导出数据"选项
4. Tap the "Export Data" option
5. 选择导出格式（推荐CSV格式）
6. Select the export format (CSV format is recommended)
7. 将导出的文件保存到您的电脑或其他安全存储设备
8. Save the exported file to your computer or other secure storage device

建议您定期备份数据，以防数据丢失。

We recommend that you back up your data regularly to prevent data loss.

您可以通过以下步骤恢复数据：

You can restore your data by following these steps:

1. 在旧手机上使用"导出数据"功能将数据导出为文件
2. Use the "Export Data" function on your old phone to export data to a file
3. 将导出的文件传输到新手机
4. Transfer the exported file to your new phone
5. 在新手机上安装"宝宝生活记录"应用
6. Install the "Baby Life Tracker" app on your new phone
7. 打开应用，进入"设置"页面
8. Open the app and go to the "Settings" page
9. 点击"导入数据"选项
10. Tap the "Import Data" option
11. 选择您之前导出的文件进行导入
12. Select the file you previously exported to import

请尝试以下解决方法：

Please try the following solutions:

• 关闭应用并重新启动
• Close the app and restart it
• 重启您的设备
• Restart your device
• 检查App Store是否有应用更新，更新到最新版本
• Check the App Store for app updates and update to the latest version
• 如果问题仍然存在，请卸载并重新安装应用（请先备份您的数据）
• If the problem persists, please uninstall and reinstall the app (please back up your data first)

如果以上方法都无法解决问题，请通过下方的邮箱联系我们，并提供您的设备型号、系统版本和详细的问题描述。

If none of the above methods solve the problem, please contact us via the email below and provide your device model, system version, and a detailed description of the problem.

您可以通过以下两种方式删除所有数据：

You can delete all data in two ways:

1. 应用内删除：打开应用，进入"设置"页面，点击"清除所有数据"按钮
2. Delete within app: Open the app, go to the "Settings" page, and tap the "Clear All Data" button
3. 卸载应用：直接从您的设备上卸载应用，所有本地数据将被永久删除
4. Uninstall app: Directly uninstall the app from your device, all local data will be permanently deleted

请注意，删除数据后将无法恢复，请在删除前确保已备份您需要保留的数据。

Please note that deleted data cannot be recovered. Please make sure you have backed up the data you need to keep before deleting.

我们非常重视您的建议和反馈！您可以通过以下方式提交您的想法：

We value your suggestions and feedback very much! You can submit your ideas in the following ways:

• 发送电子邮件至：guanyunchang2022@gmail.com
• Send an email to: guanyunchang2022@gmail.com
• 在App Store中留下您的评论和建议
• Leave your reviews and suggestions in the App Store

我们会认真阅读每一条建议，并在后续版本中考虑您的需求。

We will read every suggestion carefully and consider your needs in future versions.

绝对不会！我们的核心承诺是不收集、不存储、不传输任何可识别个人身份的信息。

Absolutely not! Our core commitment is to not collect, store, or transmit any personally identifiable information.

您输入的所有数据仅存储在您的设备本地，不会上传到任何服务器。我们仅集成了友盟SDK收集完全匿名的应用使用统计数据，这些数据无法与任何特定个人关联。

All data you enter is stored only locally on your device and will not be uploaded to any server. We only integrate the Umeng SDK to collect completely anonymous app usage statistics, which cannot be linked to any specific individual.

更多信息请查看我们的隐私政策。

For more information, please see our Privacy Policy.