message: change protocol id
diff: @@ -23,7 +23,7 @@ use std::{collections::HashMap, sync::Arc};
  use tokio::runtime::Handle;
  use types::peer_info::PeerInfo;
  -const PROTOCOL_ID: &[u8] = b"stargate";
  +const PROTOCOL_ID: &[u8] = b"starcoin";
  #[derive(Clone)]
  pub struct SNetworkService {
  