最后更新 Last updated: 2026-06-18
1. 我们收集的信息 · Information We Collect
- 账号信息：邮箱、姓名、密码（加密哈希存储）。 Account: email, name, hashed password.
- 学习资料：年级、背景、学习目标、单词量测评结果、词汇记忆池、练习与打卡记录。 Learning data: grade, goal, assessment results, vocabulary pools, practice history.
- 浏览器助手：当你在 Canvas 完成单词测验时，助手采集你做错的单词，并发送当前页面网址（主机名与路径，例如 class.ivygoal.com/courses/…/quizzes/…）用于来源标记。 Extension: your wrong words + the page hostname/path are sent for source tagging.
2. 信息用途 · How We Use It
用于定制单词测评与抗遗忘复习、显示学习进度与成就。我们不出售你的个人信息，也不用于广告。 Used only to personalize your vocabulary learning. We never sell your data or use it for ads.
3. 浏览器助手与 Canvas 数据 · Extension & Canvas Data
助手仅在你登录并授权（登录令牌）后工作；传输内容为：错词列表、当前页面网址、你的学生邮箱。助手不读取与单词学习无关的页面内容，不采集密码。 The extension works only when logged in; it transmits wrong words, the page URL, and your email. It does not read unrelated page content or collect passwords.
4. 数据存储与安全 · Storage & Security
数据存储于我方服务器，全程 HTTPS 加密传输；密码经哈希处理；登录采用安全会话 Cookie（HttpOnly · Secure）。 Data is stored on our servers over HTTPS; passwords are hashed; sessions use HttpOnly Secure cookies.
5. 数据保留 · Retention
学习数据在账号存续期间保留；删除账号后即清除。 Retained while your account exists; removed when you delete your account.
6. 你的权利与账号删除 · Your Rights & Account Deletion
你可随时在 「我的主页」→「删除账号」 自助删除账号及全部学习数据；或发邮件至 info@ivygoal.com 申请删除。删除后数据不可恢复。 Delete your account & all data anytime via My Profile → Delete Account, or email info@ivygoal.com. Deletion is permanent.