> I just pushed your translation to the master branch (which is for > Postgres 9.5) -- to do so, I downloaded > https://babel.postgresql.org/po-current/psql-zh_CN.po (linked in the > website) then ran "msgmerge your-file.po psql-zh_CN.po", then committed > that as the new version of psql/zh_CN.po.
BTW, the file I pushed contained lots of "fuzzy" strings, so I suggest you provide an updated translation soon. -- Álvaro Herrera