public Shell <bool> Bind([FromBody] Shell <uint> roomID)
{
uint pid = db.Get <uint>("SELECT pid FROM voa.process WHERE roomID={0}", roomID);
var session = RoomSession.Open(roomID, pid);
Response.Cookies.Append("session", session.ToString());
db.Execute("UPDATE voa.process SET isload=b'1' WHERE pid={0};", pid);
return(true);
}