修正错误的代码注释.

Signed-off-by: Jack <jack.wgm@gmail.com>
始终提交commit到m_response中.

Signed-off-by: Jack <jack.wgm@gmail.com>
改善异步chunked读取数据, 避免尾部数据长时间不返回.

Signed-off-by: Jack <jack.wgm@gmail.com>