diff --git a/webapp/src/views/visual/Visual/medias/audio/audioContainer/CustomAudio.vue b/webapp/src/views/visual/Visual/medias/audio/audioContainer/CustomAudio.vue
index ddf025b..324a437 100644
--- a/webapp/src/views/visual/Visual/medias/audio/audioContainer/CustomAudio.vue
+++ b/webapp/src/views/visual/Visual/medias/audio/audioContainer/CustomAudio.vue
@@ -1,3 +1,6 @@
+/**
+* Modified from https://segmentfault.com/a/1190000012453975
+*/
 <template>
   <div v-loading="audioStruct.waiting" class="di main-wrap">
     <audio
diff --git a/webapp/src/views/visual/Visual/scalars/scalarcontainer/scalarchart/Scalarchart.vue b/webapp/src/views/visual/Visual/scalars/scalarcontainer/scalarchart/Scalarchart.vue
index 21824be..4e5b259 100644
--- a/webapp/src/views/visual/Visual/scalars/scalarcontainer/scalarchart/Scalarchart.vue
+++ b/webapp/src/views/visual/Visual/scalars/scalarcontainer/scalarchart/Scalarchart.vue
@@ -1,3 +1,19 @@
+ /** Copyright 2020 Zhejiang Lab. All Rights Reserved.
+*
+* 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.
+* =============================================================
+*/
+
 <template>
   <div :id="classname" class="chart">
     <div :class="['tooltip',scaleLargeSmall?'font1':'font2']" :scale="scaleLargeSmall">