Merge #2082 into sdk602patch0911 from refs/changes/2082/head

Merge #2082 into sdk602patch0911 from refs/changes/2082/head

Code review from 胡传军

* refs/changes/2082/head: (4 commits squashed)

  - 增加循环判断条件，避免断连后一直无法正确退出循环

  - Merge branch 'sdk602patch0911' of https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230 into 0911

  - Merge branch 'sdk602patch0911' of https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230 into 0911

  - 修改N9 tcp ota升级文件

Signed-off-by: aliyun8003852482 <1224667075@qq.com>
Reviewed-by: Caisking <3449750381@qq.com>
Reviewed-by: 罗正 <1732036298@qq.com>
Reviewed-by: aliyun8003852482 <1224667075@qq.com>
Reviewed-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
Reviewed-by: aliyun6865282430 <1624952103@qq.com>
Merged-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
link: https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230/change/2082