diff --git a/newip/apply_newip.sh b/newip/apply_newip.sh
index 0b111a60887a4888694d7d9e0820d07aff6e5fa6..43eea5063753abc185d83f9e0bac8f6a891185e8 100644
--- a/newip/apply_newip.sh
+++ b/newip/apply_newip.sh
@@ -2,6 +2,12 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright (c) 2022 Huawei Device Co., Ltd.
 #
+# Description: Create a symbolic link for NewIP in Linux 5.10
+#
+# Author: Yang Yanjun <yangyanjun@huawei.com>
+#
+# Data: 2022-07-25
+#
 
 set -e
 
diff --git a/newip/src/common/nip_addr.h b/newip/src/common/nip_addr.h
index 8535b5c9a5c5a4779760b0af83e07ef6400fea7d..3a461fe025f81234c4eef1be6d036a0bd7df0b9c 100644
--- a/newip/src/common/nip_addr.h
+++ b/newip/src/common/nip_addr.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright (c) 2022 Huawei Device Co., Ltd.
  *
diff --git a/newip/src/linux-5.10/net/newip/tcp_nip_parameter.c b/newip/src/linux-5.10/net/newip/tcp_nip_parameter.c
index 8c215428fd10bc9bab8d5b15220af4c68c51f418..1cae513cbab250f2c8d37eaa2263449461a5488c 100644
--- a/newip/src/linux-5.10/net/newip/tcp_nip_parameter.c
+++ b/newip/src/linux-5.10/net/newip/tcp_nip_parameter.c
@@ -34,7 +34,7 @@ module_param_named(af_ninet, g_af_ninet, int, 0444);
 /*                            Rto timeout timer period (HZ/n)                                */
 /*********************************************************************************************/
 /* RTT RTO in the small-delay scenario */
-int g_nip_rto = 5;
+int g_nip_rto = 20;
 module_param_named(nip_rto, g_nip_rto, int, 0644);
 
 int get_nip_rto(void)
diff --git a/newip/tools/wireshark_cfg_for_newip.lua b/newip/tools/wireshark_cfg_for_newip.lua
index f9f9fab6e1337a1f0fc8371785d9323fbb9aa76e..7a4eaf7077eb0a945cf78d84bce2ad7e375c824a 100644
--- a/newip/tools/wireshark_cfg_for_newip.lua
+++ b/newip/tools/wireshark_cfg_for_newip.lua
@@ -2,9 +2,12 @@ require "bit32"
 --[[
 SPDX-License-Identifier: GPL-2.0-or-later
 Copyright (c) 2022 Huawei Device Co., Ltd.
-Function  : wireshark lua configure for NewIP protocol stack
-Author    : yangyanjun
-Edit Date : 2022/5/27
+
+Description: wireshark lua configure for NewIP protocol stack
+
+Author: Yang Yanjun <yangyanjun@huawei.com>
+
+Data: 2022-05-27
 --]]
 
 do -- lua begin