haitaowang1001/dtu_gateway: dtu数据采集网关

haitao 2656107421 Use pointers to parse Json		%!s(int64=2) %!d(string=hai) anos
..
Device	2656107421 Use pointers to parse Json	%!s(int64=2) %!d(string=hai) anos
_GD32F103C8T6	2656107421 Use pointers to parse Json	%!s(int64=2) %!d(string=hai) anos