Merge #831 into sdk602patch0626 from refs/changes/831/head

Merge #831 into sdk602patch0626 from refs/changes/831/head

Code review from 胡传军

* refs/changes/831/head: (2 commits squashed)

  - 计算器内存泄漏修复

  - Merge branch 'sdk602patch0626' of https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230 into 0626

Signed-off-by: aliyun8003852482 <1224667075@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/831