常见问题
- 视频无法播放：请更新到最新版本后重启应用。
- 进度丢失：进度保存在本机；卸载应用会清除本地记录。
- 内容反馈：欢迎发邮件说明周次与题目，我们会尽快跟进。
联系邮箱
FAQ
- Video won’t play: Update to the latest version and relaunch the app.
- Progress missing: Progress is stored on-device; uninstalling clears local records.
- Content feedback: Email us with the week and item details and we’ll follow up.