diff --git a/src/components/Portal/interactBar.vue b/src/components/Portal/interactBar.vue
index d9f0d4e9..53ace9a6 100644
--- a/src/components/Portal/interactBar.vue
+++ b/src/components/Portal/interactBar.vue
@@ -12,7 +12,7 @@
          <!-- <img style="width:16px;height:14px;vertical-align: middle;" :src="require('@/assets/images/icon/answers.png')"> -->
          <svg-icon style="margin-right: 0;font-size: 14px;" icon-class="comment"></svg-icon>
         </el-tooltip>
-        <span class="interact-bar-value"> {{ data.answers}}</span>
+        <span class="interact-bar-value"> {{ data.answers? data.answers:0}}</span>
       </div>
       <div v-if="couseViews" style="cursor: default;" :style="`min-width: ${nodeWidth};`" class="interact-bar-btn" :class="{cursor:!readonly}">
         <el-tooltip effect="light" content="浏览量" placement="top" :visible-arrow="false" popper-class="text-tooltip">
@@ -25,14 +25,14 @@
         <el-tooltip  effect="light" content="评论" placement="left" :visible-arrow="false" popper-class="text-tooltip">
           <svg-icon style="margin-right: 0;font-size: 14px;" icon-class="comment"></svg-icon>
         </el-tooltip>
-        <span class="interact-bar-value"> {{data.comments}}</span>
+        <span class="interact-bar-value"> {{data.comments? data.comments:0}}</span>
       </div>
 
       <div v-if="praises" @click="addPraise()" :style="`min-width: ${nodeWidth};`" class="interact-bar-btn" :class="{cursor:!readonly}">
         <el-tooltip effect="light" content="点赞" placement="top" :visible-arrow="false" popper-class="text-tooltip">
           <svg-icon style="margin-right: 0;font-size: 14px;" :icon-class="isPraise?'praised':'like'"></svg-icon>
         </el-tooltip>
-        <span class="interact-bar-value"> {{ data.praises}}</span>
+        <span class="interact-bar-value"> {{ data.praises? data.praises:0}}</span>
       </div>
 
       <div v-if="favorites"  @click="addFavorite()" :style="`min-width: ${nodeWidth};`" class="interact-bar-btn" :class="{cursor:!readonly}">
@@ -40,7 +40,7 @@
           <svg-icon v-if="courseExclusive" style="font-size: 32px;margin-right: 0;" :icon-class="isFavorite?'collectedCourse':'collectionCourse'"></svg-icon>
           <svg-icon v-else style="font-size: 14px;margin-right: 0;" :icon-class="isFavorite?'collected':'collection'"></svg-icon>
         </el-tooltip>
-        <span v-if="!courseExclusive" class="interact-bar-value"> {{ data.favorites}}</span>
+        <span v-if="!courseExclusive" class="interact-bar-value"> {{ data.favorites? data.favorites:0}}</span>
       </div>
       <div v-if="shares" @click="addShare()" :style="`min-width: ${nodeWidth};`" class="interact-bar-btn" :class="{cursor:!readonly}">
         <el-tooltip effect="light" content="分享" placement="top" :visible-arrow="false" popper-class="text-tooltip">