MyFitnessPal:
- 向 Withings 帐户发送饮食日志
- 从 Withings 帐户接收活动详情
- 从 Withings 帐户接收体重测量值
https://support.withings.com/hc/zh-cn/sections/6216069138705-Withings-App-iOS
https://support.withings.com/hc/zh-cn/sections/202692627-FAQ
