Revert "DEBUG parent .... MUST REVERT"

This reverts commit 0f74a7641ad89d2b0a561374c9a37de0e6cd8a39.

Signed-off-by: Yunchuan Wen <yunchuanwen@ubuntukylin.com>
continue to complier

Signed-off-by: Yunchuan Wen <yunchuanwen@ubuntukylin.com>