diff --git a/js-framework/src/ui/declarative.ts b/js-framework/src/ui/declarative.ts
index cbfaccfc..7eecbf2c 100644
--- a/js-framework/src/ui/declarative.ts
+++ b/js-framework/src/ui/declarative.ts
@@ -1,3 +1,18 @@
+/*
+ * Copyright [2019] [Doric.Pub]
+ *
+ * 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 { Text, Image, LayoutConfig, View, IText, IImage } from './view'
 import { Stack, HLayout, VLayout } from './layout'
 
diff --git a/js-framework/src/ui/layout.ts b/js-framework/src/ui/layout.ts
index 18160f25..6cba6db9 100644
--- a/js-framework/src/ui/layout.ts
+++ b/js-framework/src/ui/layout.ts
@@ -1,3 +1,18 @@
+/*
+ * Copyright [2019] [Doric.Pub]
+ *
+ * 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 { LayoutConfig, Group, Property, IView } from "./view";
 import { Gravity } from "../util/gravity";
 
diff --git a/js-framework/src/ui/listview.ts b/js-framework/src/ui/listview.ts
index ef10161a..78b9955e 100644
--- a/js-framework/src/ui/listview.ts
+++ b/js-framework/src/ui/listview.ts
@@ -1,8 +1,3 @@
-import { View, Property, SuperView, Group, LayoutSpec } from "./view";
-import { Model } from "../util/types";
-import { O_TRUNC } from "constants";
-import { Stack } from "./layout";
-
 /*
  * Copyright [2019] [Doric.Pub]
  *
@@ -19,6 +14,10 @@ import { Stack } from "./layout";
  * limitations under the License.
  */
 
+import { View, Property, SuperView, Group, LayoutSpec } from "./view";
+import { Model } from "../util/types";
+import { O_TRUNC } from "constants";
+import { Stack } from "./layout";
 export function listItem(item: View) {
     return (new ListItem).also((it) => {
         it.layoutConfig = {