Merge #747 into sdk602patch0626 from refs/changes/747/head

Merge #747 into sdk602patch0626 from refs/changes/747/head

Code review from 程羽飞

* refs/changes/747/head: (5 commits squashed)

  - 更新睡眠监测模式判别接口；优化睡眠监测模式下相关功能

  - 添加注释

  - Merge branch 'sdk602patch0626' of codeup.aliyun.com:64191456b9581d62e8f81ac0/FD230 into sdk602patch0626

  - Merge branch 'sdk602patch0626' of codeup.aliyun.com:64191456b9581d62e8f81ac0/FD230 into sdk602patch0626

  - 优化代码

Signed-off-by: dingtalk_kaxuzp <2393524978@qq.com>
Reviewed-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
Merged-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
link: https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230/change/747