Merge remote-tracking branch 'origin/feature/0730/recommend' into feature/topic6.9.9

# Conflicts:
#	apps/pages/article/article-detail.vue

@@ -57,10 +57,8 @@
 
     <DownloadBottom v-if="share" :class="{'scroll-opacity': scrolling}"></DownloadBottom>
 
+    <ReplaceToHome :scrolling="scrolling" class="back-to-home"></ReplaceToHome>
     <ArticleDetailFooter ref="footer" class="detail-fixed-footer" :style="`transform: translate3d(0, ${viewMoreArticles ? '100%' : '0'}, 0)`" v-bind="footerData" @on-comment-click="onComment">
-      <template v-slot:fab>
-        <ReplaceToHome :scrolling="scrolling" class="back-to-home"></ReplaceToHome>
-      </template>
       <template v-if="articleInfo.sort != 2" v-slot:before>
         <div class="footer-comment">
           <CommentPlaceholder
@@ -528,7 +526,7 @@ export default {
 }
 
 .back-to-home {
-  bottom: 180px;
+  bottom: 120px;
 }
 
 .title-main {

@@ -337,7 +337,7 @@ export default {
 }
 
 .back-to-home {
-  bottom: 20px;
+  bottom: 120px;
 }
 
 .thumbs {

 <template>
   <div class="article-footer-wrapper layout-footer-wrap" :style="actionBarStyle">
-    <slot name="fab"></slot>
     <div class="footer-wrapper-content">
       <slot name="before"></slot>
       <div class="tool-bar">

@@ -87,7 +87,7 @@ export default {
 }
 
 .back-to-home {
-  bottom: 20px;
+  bottom: 120px;
 }
 
 .loading {

@@ -394,7 +394,7 @@ export default {
 }
 
 .back-to-home {
-  bottom: 20px;
+  bottom: 120px;
 }
 
 .publish-btn {

@@ -501,7 +501,7 @@ export default {
 <style lang="scss" scoped>
 
   .back-to-home {
-    bottom: 40px;
+    bottom: 120px;
   }
 
   .author-page {