diff --git a/ide/src/trace/database/DBUtils.ts b/ide/src/trace/database/DBUtils.ts
index 79e94b3791bcce2a0ab47ada5daf2481c0da7401..e2bf0c8a6ee786caa82ca28eac43a122ffd1258e 100644
--- a/ide/src/trace/database/DBUtils.ts
+++ b/ide/src/trace/database/DBUtils.ts
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
 import { info } from '../../log/Log.js';
 
 /**