Merge branch 'Nov16thResetMusic' into online

src/views/teamDetail/componentCourse/studentWork.vue

@@ -98,11 +98,12 @@
     </div>
     <el-dialog title="查看作业"
                @close="closeWorkVisible"
+              
                width="940px"
                append-to-body
                :visible.sync="workVisible">
       <!-- activeUrl -->
-      <div class="sliderWrap">
+      <div class="sliderWrap" v-if="workVisible">
         <div class="swiperWrap">
           <swiper ref="mySwiper"
                   :options="swiperOptions"