diff --git a/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.cpp b/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.cpp
index f32586f..05c5c8c 100644
--- a/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.cpp
+++ b/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.cpp
@@ -39,12 +39,6 @@ void IflytopFrontEndService::initialize(string ip) {
     ws->setOnMessageCallback([this, webSocket, connectionState](const ix::WebSocketMessagePtr& msg) {});
   });
 
-  m_udp.reset(new SimpleUDP());
-  m_udp->initialize(19003);
-  m_udp->set_on_recv([this](struct sockaddr_in* from, char* data, size_t len) {
-    logger->info("recv udp data: {}", string(data, len));
-    onUdpCmdMessage(from, data, len);
-  });
 
   m_initialized = true;
 }
diff --git a/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.hpp b/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.hpp
index 34a7503..009c9b5 100644
--- a/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.hpp
+++ b/src/iflytop/components/iflytop_front_end_service/iflytop_front_end_service.hpp
@@ -58,7 +58,6 @@ class IflytopFrontEndService : public enable_shared_from_this<IflytopFrontEndSer
   //
   shared_ptr<ix::WebSocketServer> m_server;
   shared_ptr<ix::WebSocketServer> m_report_server;
-  shared_ptr<SimpleUDP>           m_udp;
   bool                            m_initialized = false;
 
  public:
@@ -68,7 +67,6 @@ class IflytopFrontEndService : public enable_shared_from_this<IflytopFrontEndSer
   // void sendMessage(const string& message);
   void sendReport(json& report);
 
-  void sendToUDP(struct sockaddr_in* from, const char* data, size_t len) { m_udp->sendto(from, data, len); }
 
  private:
   void onMessageCallback(weak_ptr<WebSocket> webSocket, shared_ptr<ConnectionState> connectionState, const ix::WebSocketMessagePtr& msg);