Effective date: 2026-09-13 · Last updated: 2026-09-13
设备标识、语言偏好、练习记录、在您主动提交时收集的昵称/联系方式，以及必要时的支付信息（由支付服务商处理，我们不存储卡号）。
We collect device identifiers, language preferences, practice records, and contact details you voluntarily provide. Payment information is processed by our payment providers; we do not store card numbers.
用于提供服务、改善产品体验、会员权益管理、通知与客服支持。我们不会出售您的个人信息。
We use information to provide and improve the service, manage membership, send notices, and provide support. We do not sell personal data.
仅与必要的服务合作方（支付、语音识别、云服务）按需共享，并遵守其保密义务；法律要求时依法提供。
We share data only with necessary partners (payment, speech recognition, cloud services) as required, under confidentiality obligations, or when legally compelled.
账户数据在您注销后 30 天内删除；日志类数据最多保留 180 天。
Account data is deleted within 30 days after you close your account; log data is retained for up to 180 days.
您可随时在设置中查看、修改或删除个人数据，或联系客服注销账户。
You may view, correct, or delete your personal data anytime in settings, or contact support to close your account.
佛山普梦科技 · Foshan Pumeng Technology
Email: support@bdtgo.vip