tree 798bc83087fae22e2fa93484b8a71dcadeb198fd
parent 09f7ff242e680ec8d1b47eab1eea819cb7865920
author Wu Sheng <wu.sheng@foxmail.com> 1531797024 +0800
committer Wu Sheng <wu.sheng@foxmail.com> 1531797024 +0800

Separate  downstream object.