样式修改

src/views/courseInformation/courseManagement/courseCatalogues.vue

@@ -261,7 +261,8 @@
               <el-button type="primary" @click="previewToUpload()">上传</el-button>
             </div>
           </div>
-          <edu-video v-if="videoShow" ref="videoPreview" :player-options="playerOptions" />
+          <edu-video v-if="videoShow && (videoList && videoList.length > 0)" ref="videoPreview" :player-options="playerOptions" />
+          <div class="noDataRow" v-if="videoList.length === 0">  <img :src="require('@/assets/image/zanwushuju.png')" class="noData"></div>
           <edu-ppt v-if="pptShow" :pdf-src="pptUrl" />
           <div v-if="pdfShow">
             <div class="showDialogTop">
@@ -2844,6 +2845,14 @@ export default {
   overflow-y:auto;
 }
 .previewDialog{
+  .noDataRow{
+    padding-top: 70px;
+    text-align: center;
+  }
+  .noData{
+    width: 162px;
+    height: 162px;
+  }
    .el-dialog__body{
     min-height: 550px!important;
   }