diff --git a/OAT.xml b/OAT.xml
index 83d9fb9..c024cf3 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -81,7 +81,6 @@ Note:If the text contains special characters, please escape them according to th
 				<filteritem type="filepath" name="LICENSES-Linux-syscall-note" desc="license file"/>
 				<filteritem type="filepath" name="newip/third_party/.*" desc="third party code path"/>
 				<filteritem type="filepath" name="BUILD.gn" desc="build file"/>
-				<filteritem type="filepath" name="module_sample/BUILD.gn" desc="build file"/>
 			</filefilter>
 			<filefilter name="defaultPolicyFilter" desc="Files that do not need to be applied specified policy, will be merged with the filter items which has the same filefilter name">
 				<filteritem type="filepath" name="LICENSE" desc="license file"/>
diff --git a/module_sample/BUILD.gn b/module_sample/BUILD.gn
index 9e5715f..f76c9d9 100644
--- a/module_sample/BUILD.gn
+++ b/module_sample/BUILD.gn
@@ -1,15 +1,13 @@
-# Copyright (c) 2023 Huawei Device Co., Ltd.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
+ *
+ * ko build sample
+ *
+ * Author: z-jax <zhujiaxin@huawei.com>
+ *
+ * Data: 2023-11-25
+ */
 
 import("//build/templates/kernel/ohos_kernel_build.gni")
 
diff --git a/module_sample/ko_sample.c b/module_sample/ko_sample.c
index b59fc84..feea4a5 100644
--- a/module_sample/ko_sample.c
+++ b/module_sample/ko_sample.c
@@ -15,12 +15,12 @@
 
 static int kosample_init(void)
 {
-	pr_info("ko sample: %s\n", __func__);
+	pr_err("ko sample: %s\n", __func__);
 	return 0;
 }
 static void kosample_exit(void)
 {
-	pr_info("ko sample: %s\n", __func__);
+	pr_err("ko sample: %s\n", __func__);
 }
 
 module_init(kosample_init);