模块列表及其下面的元件列表

src/components/course/pica-video.vue

@@ -432,7 +432,7 @@ export default {
   height: 100%;
   background-color: #333;
   overflow: hidden;
-  z-index: 999;
+  z-index: 1000;
   video{
     position: absolute;
     left: 50%;

src/views/share-merge-detail.vue

@@ -1148,7 +1148,7 @@ export default {
 .download-abs {
   display: flex;
   // width: 100%;
-  position: absolute;
+  position: fixed;
   z-index: 1001;
   top: 15px;
   right: 0;