隐私政策 Privacy Policy

1. 引言 1. Introduction

欢迎使用 Tweet。本隐私政策说明 Tweet（以下简称"我们"）在 iOS 移动应用 Tweet 中如何收集、使用、存储、共享和保护你的个人信息。我们重视你的隐私，致力于以公开、透明、符合业界最佳实践的方式处理数据。 Welcome to Tweet. This Privacy Policy explains how Tweet ("we") collects, uses, stores, shares, and protects your personal information within the iOS mobile application Tweet. We respect your privacy and are committed to handling data in an open, transparent, and industry-best-practice manner.

请仔细阅读本政策。使用 Tweet 即表示你已阅读、理解并同意本政策的全部内容。 Please read this policy carefully. By using Tweet, you confirm that you have read, understood, and agreed to the contents of this policy.

2. 我们收集哪些信息 2. Information We Collect

为了提供和改善服务，我们可能收集以下信息： To provide and improve our services, we may collect the following information:

• 账号信息：用户名、显示名、头像、邮箱（如使用邮箱注册）或手机号（如使用手机注册）、Apple/Google 登录标识。 Account information: username, display name, avatar, email (if email-registered) or phone (if phone-registered), Apple/Google sign-in identifier.
• 内容信息：你发布的贴文（含文字、图片、可选位置标签）、@提及、回复、点赞、转发等互动数据。 Content: posts you publish (text, images, optional location), @mentions, replies, likes, reposts, and other interaction data.
• 设备与日志：设备型号、iOS 版本、崩溃日志、IP 地址、访问时间戳（用于安全、调试和性能分析）。 Device & logs: device model, iOS version, crash logs, IP address, access timestamps — for security, debugging, and performance analytics.
• 通讯录（仅在你明确授权后）：用于查找你认识的好友。通讯录数据仅在本机处理，不会上传至我们的服务器。 Contacts (only with your explicit consent): used to find friends you know. Contact data is processed only on-device and is never uploaded to our servers.

3. 用途 3. How We Use Information

我们使用收集到的信息用于以下目的： We use the collected information for the following purposes:

• 提供、维护、改善 Tweet 的核心功能 Providing, maintaining, and improving Tweet's core features
• 推送通知、消息投递、内容同步 Push notifications, message delivery, content sync
• 安全防护：识别并阻止滥用、欺诈、违规内容 Security: detecting and preventing abuse, fraud, and policy violations
• 产品分析：了解功能使用情况、改进体验（数据匿名化或聚合化处理） Analytics: understanding feature usage, improving experience (anonymized or aggregated)
• 响应你的咨询与反馈 Responding to your inquiries and feedback
• 我们不会将你的数据出售给第三方广告商，也不会用于跨 App 行为追踪。 We will not sell your data to third-party advertisers, nor use it for cross-app behavioral tracking.

4. 存储和保护 4. Storage and Protection

你的数据存储在受信云服务提供商的安全数据中心，采用静态加密 + 传输加密 双层保护。我们采用业界标准的安全措施，包括： Your data is stored in trusted cloud providers' secure data centers, protected with encryption at rest and in transit. We apply industry-standard security measures including:

• TLS/HTTPS 全链路加密 TLS / HTTPS end-to-end encryption
• 数据库静态加密（AES-256） Database-level encryption at rest (AES-256)
• 最小权限原则的内部访问控制 Least-privilege internal access control
• 定期安全审计与漏洞修复 Regular security audits and vulnerability patching
• 账号密码使用强哈希算法（bcrypt）存储 Account passwords stored with strong hashing (bcrypt)

尽管我们尽力保护数据安全，但没有任何系统能保证 100% 安全。如发生数据泄露，我们将在 72 小时内通知你。 While we strive to protect data, no system can be 100% secure. In the event of a data breach, we will notify you within 72 hours.

5. 信息共享 5. Information Sharing

除下列情况外，我们不会与任何第三方共享你的个人信息： Except in the following cases, we will not share your personal information with any third party:

• 你的公开贴文：默认对所有用户可见（与你选择的可见性设置一致） Your public posts: visible to all users by default (per your visibility setting)
• 法律要求：当政府部门依法要求披露时 Legal requirement: when government agencies lawfully request disclosure
• 服务商：仅向为我们提供基础设施的服务商（如云存储、推送服务）披露最少必要信息 Service providers: only the minimum necessary info to infrastructure vendors (e.g. cloud storage, push)
• 你明确同意的其他情况 Other cases with your explicit consent

6. 用户权利 6. Your Rights

你对自己的数据拥有以下权利： You have the following rights over your data:

• 访问：随时查看你发布的内容与互动记录 Access: view your content and interaction history anytime
• 更正：修改你的个人资料 Rectification: correct your profile information
• 删除：删除已发布的贴文或注销账号（数据将在 30 天内从生产环境清除） Erasure: delete a post or your account (production data purged within 30 days)
• 导出：以 JSON 格式下载你的数据副本 Portability: download a JSON copy of your data
• 撤回授权：随时撤回对相机、相册、位置等权限的授权 Revoke: revoke camera, photo, location, etc. permissions anytime

7. 儿童隐私 7. Children's Privacy

Tweet 不面向 13 岁以下儿童。我们不会故意收集 13 岁以下儿童的个人信息。如发现，我们将在合理时间内删除相关数据。父母或监护人如发现孩子未经同意提供了个人信息，请通过 联系我们。 Tweet is not directed to children under 13. We do not knowingly collect personal information from children under 13. If we become aware, we will delete the data within a reasonable time. If you believe your child has provided personal information without consent, please contact us.

8. 第三方服务 8. Third-Party Services

我们使用以下第三方服务来提供 Tweet 的核心功能： We use the following third-party services to power Tweet:

• Apple Sign in / Google Sign in：第三方登录 Apple Sign in / Google Sign in: third-party sign-in
• Apple Push Notification service (APNs)：推送通知 Apple Push Notification service (APNs): push notifications
• 云存储：图片、媒体文件存储 Cloud storage: image and media storage
• 这些服务商仅在为提供对应服务所必需的范围内接触你的数据，并受到其各自隐私政策的约束。 These providers access your data only as necessary to provide their service and are governed by their own privacy policies.

9. 权限说明 9. Permissions

Tweet 申请以下 iOS 系统权限： Tweet requests the following iOS system permissions:

• 相机：用于拍摄并发布图片/视频贴文 Camera: capture and post images/videos
• 相册：用于选择已拍摄的照片发布 Photo Library: choose existing photos to post
• 通讯录：用于查找好友（仅在本机处理） Contacts: find friends (on-device only)
• 位置：可选添加位置标签到贴文 Location: optionally add a location tag to posts
• 麦克风：用于录制视频贴文 Microphone: record videos
• 所有权限均可由你在 iOS「设置」中随时关闭，关闭后对应功能将不可用。 All permissions can be revoked anytime in iOS Settings; the corresponding features will then be unavailable.

10. 跨境数据传输 10. Cross-Border Data Transfer

你的数据可能在我们运营所在的不同司法管辖区之间传输。无论在哪里传输，我们都会采取同等强度的保护措施，并仅在必要时进行传输。 Your data may be transferred between jurisdictions where we operate. Regardless of where it is transferred, we apply equally strong protections, and only transfer data when necessary.

11. 政策更新 11. Policy Updates

我们可能不时更新本隐私政策。重大变更将通过应用内通知、邮件（如有）或本页面显著公告告知。继续使用 Tweet 即视为你接受更新后的政策。 We may update this Privacy Policy from time to time. Material changes will be announced via in-app notification, email (if available), or a prominent notice on this page. Continued use of Tweet constitutes acceptance of the updated policy.

12. 联系我们 12. Contact Us

如你对本政策、个人数据或行使你的权利有任何疑问，请通过 联系我们页面 提交请求，或发送邮件至我们的支持邮箱。 For any questions about this policy, your personal data, or exercising your rights, please reach out via our Contact page or email our support address.

13. 法律基础 13. Legal Basis

本政策依据《个人信息保护法》、《通用数据保护条例》（GDPR）、《加州消费者隐私法》（CCPA）等适用法律法规制定。如本政策与法律冲突，以法律为准。 This policy is made in accordance with applicable laws and regulations including the Personal Information Protection Law (PIPL), the General Data Protection Regulation (GDPR), and the California Consumer Privacy Act (CCPA). Where this policy conflicts with applicable law, the law prevails.