diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/include/tcp_json_srv.h b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/include/tcp_json_srv.h
index b3c82f8..00528be 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/include/tcp_json_srv.h
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/include/tcp_json_srv.h
@@ -47,6 +47,8 @@ typedef enum {
 /*===========================================================================
  * Externs
  *===========================================================================*/
+extern uint8_t SocketId_TCP;
+extern uint8_t SocketId_UDP;
 extern uint8_t  g_json_socket_listen;    // listen socket ID
 extern uint8_t  g_json_socket_client;    // accepted client socket ID (0xFF = none)
 extern TcpJsonAuthState g_json_auth_state;