Privacy Policy

Last updated: October 7, 2026 · 最后更新：2026年10月7日

隐私政策 · 我们重视你的数据安全

1. Overview 概述

Learn Chinese · Huaqiangbei Wholesale ("we", "us", or "our") is committed to protecting your privacy. This Privacy Policy explains what data we collect, how we use it, and your rights under the General Data Protection Regulation (GDPR) and other applicable privacy laws.

我们致力于保护你的隐私。本政策说明我们收集什么数据、如何使用，以及你在 GDPR 等隐私法规下的权利。

2. Data We Collect 我们收集的数据

2.1 Account Information 账户信息

When you create an account, we collect:

• Email address (for login and communication)
• Encrypted password (we never store plain-text passwords)
• Account creation date and last login time

注册时收集：邮箱、加密密码（从不存储明文密码）、注册时间和最后登录时间。

2.2 Learning Progress 学习进度

To provide cloud sync (Pro feature), we store:

• Mastered phrases and vocabulary
• Favorites and bookmarks
• Listening scores and pronunciation practice history
• Daily streak and learning statistics

为提供云端同步（Pro 功能），我们存储：已掌握内容、收藏、听力分数、跟读历史、连续天数和学习统计。

2.3 Payment Information 支付信息

Payments are processed by Paddle, our Merchant of Record. We do not store your credit card number, CVV, or full payment details on our servers. Paddle handles all payment data securely and is PCI DSS Level 1 compliant.

We receive from Paddle: your email, billing country, subscription status, and invoice history.

支付由 Paddle（我们的 Merchant of Record）处理。我们不在服务器上存储信用卡号、CVV 或完整支付信息。Paddle 安全处理所有支付数据，符合 PCI DSS Level 1 标准。我们从 Paddle 接收：邮箱、账单国家、订阅状态和发票历史。

2.4 Technical Data 技术数据

We automatically collect:

• Device type and browser (for app compatibility)
• Approximate location (country level, from IP address)
• App version and crash logs (for bug fixing)

自动收集：设备类型和浏览器、大致位置（国家级别）、应用版本和崩溃日志。

3. How We Use Your Data 我们如何使用你的数据

• To provide the service: authenticate your account, sync your learning progress, and deliver app features.
• To process payments: manage your subscription and send invoices (via Paddle).
• To improve the app: analyze usage patterns to fix bugs and add features.
• To communicate: send important account notifications (subscription renewals, security alerts). We do NOT send marketing emails without your consent.

用途：提供服务、处理支付、改进应用、发送重要账户通知。未经同意不发送营销邮件。

4. Data Storage and Security 数据存储与安全

Your data is stored on secure servers with encrypted connections (HTTPS/TLS). Passwords are hashed using bcrypt. We implement industry-standard security measures including:

• Encryption in transit (TLS 1.3) and at rest
• Regular security audits and updates
• Access controls — only authorized personnel can access data
• SQL injection protection and input sanitization

数据存储在安全服务器上，HTTPS/TLS 加密传输，密码用 bcrypt 哈希。实施行业标准安全措施。

5. Data Sharing 数据共享

We share your data only with these trusted third parties:

• Paddle — payment processing (privacy: paddle.com/privacy)
• Cloud hosting provider — server infrastructure (data center location: Singapore/Hong Kong)

We do not sell your personal data to any third party. We do not share your data with advertisers.

仅与 Paddle（支付处理）和云托管服务商共享数据。不出售个人数据，不与广告商共享。

6. Your Rights 你的权利

Under GDPR and applicable laws, you have the right to:

• Access — request a copy of your personal data
• Correction — update inaccurate data
• Deletion — request deletion of your account and all associated data ("right to be forgotten")
• Data portability — export your data in a machine-readable format
• Restriction — restrict processing of your data
• Objection — object to certain types of processing

To exercise any of these rights, email us at hello@chinese.dgg-phone.com. We respond within 30 days.

你有权访问、更正、删除、导出、限制和反对数据处理。发邮件至 hello@chinese.dgg-phone.com，30 天内回复。

7. Data Retention 数据保留

We retain your data for as long as your account is active. If you delete your account, we permanently delete all your personal data within 30 days, except where we are legally required to retain it (e.g., financial records for tax purposes, retained for 7 years).

账户活跃期间保留数据。删除账户后 30 天内永久删除所有个人数据（法律要求保留的财务记录除外，保留 7 年）。

8. Children's Privacy 儿童隐私

Our service is not intended for children under 13. We do not knowingly collect data from children under 13. If you believe a child has provided us with data, contact us and we will delete it.

本服务不面向 13 岁以下儿童。我们不会故意收集 13 岁以下儿童的数据。

9. Cookies 饼干

We use essential cookies and local storage to:

• Keep you logged in
• Store your learning progress locally (for offline use)
• Remember your preferences (language, theme)

We do not use tracking cookies, advertising cookies, or third-party analytics cookies.

仅使用必要的 cookie 和本地存储来保持登录、存储学习进度、记住偏好。不使用追踪 cookie、广告 cookie 或第三方分析 cookie。

10. Changes to This Policy 政策变更

We may update this Privacy Policy from time to time. We will notify you of significant changes via email or in-app notification. The "Last updated" date at the top reflects the latest revision.

我们可能不时更新本政策。重大变更将通过邮件或应用内通知告知。顶部"最后更新"日期为最新版本。

11. Contact Us 联系我们

If you have questions about this Privacy Policy or your data, contact us at:

Email: hello@chinese.dgg-phone.com
Website: https://chinese.dgg-phone.com

如有隐私问题，发邮件至 hello@chinese.dgg-phone.com。