Ocsf phase2#12

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wuwenglei wants to merge 2 commits intoTimLethbridge:masterfrom

wuwenglei:OcsfPhase2

Commits on May 31, 2020

This is the phase 2 of simplechat.

吴翁磊
authored and
吴翁磊
committed

Commits on Jun 1, 2020

This is phase 2 of the simple chat program.

吴翁磊
authored and
吴翁磊
committed