diff --git a/WaterFlowSample/README.md b/WaterFlowSample/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..d8f32c0a85ac0c7f69006d297b15ee375afa10d2
--- /dev/null
+++ b/WaterFlowSample/README.md
@@ -0,0 +1,19 @@
+# 常见瀑布流操作
+
+### 简介
+
+本示例基于WaterFlow组件的特性，整理了瀑布流常见操作的示例代码。
+
+### 相关权限
+
+不涉及
+
+### 约束与限制
+
+1.本示例仅支持标准系统上运行，支持设备：华为手机。
+
+2.HarmonyOS系统：HarmonyOS 5.0.5 Release及以上。
+
+3.DevEco Studio版本：DevEco Studio 5.0.5 Release及以上。
+
+4.HarmonyOS SDK版本：HarmonyOS 5.0.5 Release SDK及以上。
\ No newline at end of file
diff --git a/WaterFlowSample/entry/src/main/ets/common/constants/CommonConstants.ets b/WaterFlowSample/entry/src/main/ets/common/constants/CommonConstants.ets
index a6ba20f2f665a02fa9ff25f7c8d24ca331a3b894..5de6c0e929c97be47221b4434a7c09e517bcfc9e 100644
--- a/WaterFlowSample/entry/src/main/ets/common/constants/CommonConstants.ets
+++ b/WaterFlowSample/entry/src/main/ets/common/constants/CommonConstants.ets
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2025 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
diff --git a/WaterFlowSample/entry/src/main/ets/entryability/EntryAbility.ets b/WaterFlowSample/entry/src/main/ets/entryability/EntryAbility.ets
index a1b9d910217b8eb04b87a1ec2d9dd34edac9a616..eac0299848ad088c65ad2557135a9f5358eaf9a4 100644
--- a/WaterFlowSample/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/WaterFlowSample/entry/src/main/ets/entryability/EntryAbility.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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 { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { window } from '@kit.ArkUI';
diff --git a/WaterFlowSample/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets b/WaterFlowSample/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets
index fae19f9dd53d2857e2843539cbedf5bee4a34b5a..1fca37ecc34e1079aaf6557f1272cd694aa0068c 100644
--- a/WaterFlowSample/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets
+++ b/WaterFlowSample/entry/src/main/ets/entrybackupability/EntryBackupAbility.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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 { hilog } from '@kit.PerformanceAnalysisKit';
 import { BackupExtensionAbility, BundleVersion } from '@kit.CoreFileKit';
 
diff --git a/WaterFlowSample/entry/src/main/ets/model/MyDataSource.ets b/WaterFlowSample/entry/src/main/ets/model/MyDataSource.ets
index 540edfc0bd36a13a89c4e7ef4c74eafd27f00ae7..ceef0cc51a841364b359e808f2a3db393394ddda 100644
--- a/WaterFlowSample/entry/src/main/ets/model/MyDataSource.ets
+++ b/WaterFlowSample/entry/src/main/ets/model/MyDataSource.ets
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 import { BasicDataSource } from "./BasicDataSource";
 
 export class MyDataSource extends BasicDataSource<number> {
diff --git a/WaterFlowSample/entry/src/main/ets/pages/CustomItemHeightPage.ets b/WaterFlowSample/entry/src/main/ets/pages/CustomItemHeightPage.ets
index 95b6dd02c6779460c2103db821be935f72637611..bf51f3f07f24d433fb2673b7e2d35cd601d3eced 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/CustomItemHeightPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/CustomItemHeightPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
 // [StartExclude flow_item_layout]
diff --git a/WaterFlowSample/entry/src/main/ets/pages/DataLoadMorePage.ets b/WaterFlowSample/entry/src/main/ets/pages/DataLoadMorePage.ets
index a57960564289adbec073a538bc2715a27fed1ea3..63b36a2c5e34520c1ec34aa9a66ef0ab16f67c9d 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/DataLoadMorePage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/DataLoadMorePage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from "../common/constants/CommonConstants";
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
diff --git a/WaterFlowSample/entry/src/main/ets/pages/DataUpadteAndAnimationPage.ets b/WaterFlowSample/entry/src/main/ets/pages/DataUpadteAndAnimationPage.ets
index 577a7a7e3b9931f22fe6e24de698abe7966f1417..89e5fcaaa9c6a9fbdb6de955a66f55ff4ade6b1a 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/DataUpadteAndAnimationPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/DataUpadteAndAnimationPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from "../common/constants/CommonConstants";
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
diff --git a/WaterFlowSample/entry/src/main/ets/pages/ElementByOrderPage.ets b/WaterFlowSample/entry/src/main/ets/pages/ElementByOrderPage.ets
index 2cabc98ac2587f4bb44efd248146287b16b2992c..06f953b96ece5f35ea6c19c16ac809a130ea1668 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/ElementByOrderPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/ElementByOrderPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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 { CommonConstants } from '../common/constants/CommonConstants';
 
 @Entry
diff --git a/WaterFlowSample/entry/src/main/ets/pages/FadingEdgePage.ets b/WaterFlowSample/entry/src/main/ets/pages/FadingEdgePage.ets
index 6826eed28022d40f46a9e14e984ed7b2f6373324..66ae7e2c3f9cc0665cf217fa0c6f6e878082ccbf 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/FadingEdgePage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/FadingEdgePage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from "../common/constants/CommonConstants";
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
diff --git a/WaterFlowSample/entry/src/main/ets/pages/FlowItemAutoPlayPage.ets b/WaterFlowSample/entry/src/main/ets/pages/FlowItemAutoPlayPage.ets
index 6606e901a55fbe196c5c84ccfc6e087ad0e10937..a109868f0d363062dd652bb1d51e3321f485271b 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/FlowItemAutoPlayPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/FlowItemAutoPlayPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { CommonConstants } from '../common/constants/CommonConstants';
diff --git a/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmoveAnimationPage.ets b/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmoveAnimationPage.ets
index a38c698caf28360c310c52d10c3d7af734aab796..de35272657c028c5694a66b1e9e792436e020658 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmoveAnimationPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmoveAnimationPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from "../common/constants/CommonConstants";
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
diff --git a/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmovePage.ets b/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmovePage.ets
index 870d96ac3ccd58e056f0f8642d07a0d81a9578e9..39fd451396830cc3cb3f03ee9639e6caf09e8f4e 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmovePage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/FlowItemRmovePage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
 // [StartExclude flow_item_layout]
diff --git a/WaterFlowSample/entry/src/main/ets/pages/ForceShowOnTopLeftPage.ets b/WaterFlowSample/entry/src/main/ets/pages/ForceShowOnTopLeftPage.ets
index a711b3684a3eda7ea6419f13ee5dc3fd4bfbd6b7..24ad635da88791f8fdcf12f3b05b62ce0b8304a2 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/ForceShowOnTopLeftPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/ForceShowOnTopLeftPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from '../common/constants/CommonConstants';
 import { MyDataSource } from '../model/MyDataSource'
diff --git a/WaterFlowSample/entry/src/main/ets/pages/Index.ets b/WaterFlowSample/entry/src/main/ets/pages/Index.ets
index 05cb67b498c78deec8fc9cdb72f675b40cb43ec5..e92c93015bfa71c6557aad7bba0649971aecbfa7 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/Index.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/Index.ets
@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 
-
 @Entry
 @Component
 struct Index {
diff --git a/WaterFlowSample/entry/src/main/ets/pages/MergeDoubleWaterFlowPage.ets b/WaterFlowSample/entry/src/main/ets/pages/MergeDoubleWaterFlowPage.ets
index 54cb0e868ace2c6bc8e8eaab34a577304ea197c7..9e259d3bddf27d96a802305c70d86bbbc9aac5d5 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/MergeDoubleWaterFlowPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/MergeDoubleWaterFlowPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from '../common/constants/CommonConstants';
 import { MyDataSource } from '../model/MyDataSource'
diff --git a/WaterFlowSample/entry/src/main/ets/pages/SectionOptionsUsePage.ets b/WaterFlowSample/entry/src/main/ets/pages/SectionOptionsUsePage.ets
index 12137c6a9b0c6a03773193d7f7707497f049cfab..86f8ec47f77bd0a4fb4c3ffac587fc629059cef2 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/SectionOptionsUsePage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/SectionOptionsUsePage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { CommonConstants } from "../common/constants/CommonConstants";
 import { SectionsWaterFlowDataSource } from "../model/SectionsWaterFlowDataSource";
diff --git a/WaterFlowSample/entry/src/main/ets/pages/StickOnTopPage.ets b/WaterFlowSample/entry/src/main/ets/pages/StickOnTopPage.ets
index 929dc3ed021e6c46a994c83f774fde0ca501d89a..ff5b1cb60702e7f1b380c381adacc351196690c0 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/StickOnTopPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/StickOnTopPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { CommonConstants } from '../common/constants/CommonConstants';
diff --git a/WaterFlowSample/entry/src/main/ets/pages/ZoomChangeColumnPage.ets b/WaterFlowSample/entry/src/main/ets/pages/ZoomChangeColumnPage.ets
index aef08e29a5960703e399e72674ee5a12ffbca878..f000305fb85e071b7eebb6382ba8c826ce7b68d5 100644
--- a/WaterFlowSample/entry/src/main/ets/pages/ZoomChangeColumnPage.ets
+++ b/WaterFlowSample/entry/src/main/ets/pages/ZoomChangeColumnPage.ets
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
 // [Start quick_start]
 import { MyDataSource } from '../model/MyDataSource'
 import { image } from '@kit.ImageKit';
diff --git a/WaterFlowSample/entry/src/main/ets/utils/WindowUtil.ets b/WaterFlowSample/entry/src/main/ets/utils/WindowUtil.ets
index f711a36ffc3fafdae96e1180d00f6e3939a568af..535ac13967e616bceead59016ce0e80251a022de 100644
--- a/WaterFlowSample/entry/src/main/ets/utils/WindowUtil.ets
+++ b/WaterFlowSample/entry/src/main/ets/utils/WindowUtil.ets
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2025 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