[Backend] Praserer

[kwk2696]

1. 한글을 Client로 전송할경우 깨져서 나오는 문제 해결.
   Client에서 인코딩을 해줘야 하나?

[jaewan7599]

Yes. I think client send message by encoding, of course. But, Server should know the type of encoding function in client, so that server can decode it.