diff --git a/server/wsproxy/GCListener.cc b/server/wsproxy/GCListener.cc
index 4f7893d..7f68bf4 100644
--- a/server/wsproxy/GCListener.cc
+++ b/server/wsproxy/GCListener.cc
@@ -129,8 +129,20 @@ class KcpSession
 {
 public:
 
-    void Init(int socket_handle, a8::UdpPacket* pkt)
+    static int UdpOutput(const char *buf, int len, ikcpcb *kcp, void *user)
     {
+        KcpSession* session = (KcpSession*)user;
+        a8::UdpPacket* pkt = new a8::UdpPacket();
+        pkt->buf = buf;
+        pkt->buf_len = len;
+        pkt->remote_addr = session->remote_addr_;
+        session->udp_listener_->SendUdpPacket(pkt);
+        return 0;
+    }
+
+    void Init(a8::UdpListener* udp_listener, int socket_handle, a8::UdpPacket* pkt)
+    {
+        udp_listener_ = udp_listener;
         remote_key_ = pkt->GetRemoteKey();
         remote_addr_ = pkt->remote_addr;
         socket_handle_ = socket_handle;
@@ -139,6 +151,7 @@ public:
         ikcp_nodelay(kcp_, 2, 10, 2, 1);
         kcp_->rx_minrto = 10;
         kcp_->fastresend = 1;
+        kcp_->output = KcpSession::UdpOutput;
     }
 
     void UnInit()
@@ -149,6 +162,11 @@ public:
         }
     }
 
+    void Update()
+    {
+
+    }
+
     void SendMsg(unsigned short msgid, const ::google::protobuf::Message& msg)
     {
 
@@ -160,6 +178,7 @@ public:
     }
 
 private:
+    a8::UdpListener* udp_listener_ = nullptr;
     ikcpcb* kcp_ = nullptr;
     int socket_handle_ = 0;
     long long remote_key_ = 0;
@@ -262,7 +281,7 @@ void GCListener::ProcUdpPacket(a8::UdpPacket* pkt)
     if (!session) {
         ++kcp_socket_handle_;
         session = std::make_shared<KcpSession>();
-        session->Init(kcp_socket_handle_, pkt);
+        session->Init(udp_listener_.get(), kcp_socket_handle_, pkt);
         kcp_session_addr_hash_[key] = session;
         kcp_session_handle_hash_[kcp_socket_handle_] = session;
     }