diff --git a/src/message.rs b/src/message.rs
index 107dcc0..1f00f58 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -43,6 +43,9 @@ pub enum GroupReceiveMessage {
     /// when peer join, send from TDN to outside.
     /// params is `peer_id`, `socket_addr` and peer `join_info`.
     PeerJoin(PeerAddr, SocketAddr, Vec<u8>),
+    /// when peer get join result.
+    /// params is `peer_id`, `is_ok` and `result_data`.
+    PeerJoinResult(PeerAddr, bool, Vec<u8>),
     /// when peer leave, send from TDN to outside.
     /// params is `peer_id`.
     PeerLeave(PeerAddr),
diff --git a/src/p2p.rs b/src/p2p.rs
index 9bb678a..dd76678 100644
--- a/src/p2p.rs
+++ b/src/p2p.rs
@@ -48,6 +48,11 @@ async fn run_listen<M: GroupMessage>(
                                 GroupReceiveMessage::PeerJoin(peer_addr, addr, data)
                             )).await;
                         },
+                        ReceiveMessage::PeerJoinResult(peer_addr, is_ok, data) => {
+                            out_send.send(M::new_group(
+                                GroupReceiveMessage::PeerJoinResult(peer_addr, is_ok, data)
+                            )).await;
+                        },
                         ReceiveMessage::PeerLeave(peer_addr) => {
                             out_send.send(M::new_group(
                                 GroupReceiveMessage::PeerLeave(peer_addr)