bugfix

src/pages/course-detail/index copy.vue

@@ -7274,7 +7274,8 @@ export default {
         float: right;
         width: 400px;
         height: 400px;
-
+        position: relative;
+        overflow: hidden;
         video {
           width: 100%;
           height: 100%;

src/pages/course-detail/index.vue

@@ -8298,7 +8298,8 @@ export default {
         float: right;
         width: 400px;
         height: 400px;
-
+        position: relative;
+        overflow: hidden;
         video {
           width: 100%;
           height: 100%;

src/pages/live-detail/index.vue

@@ -7463,7 +7463,8 @@ export default {
         float: right;
         width: 400px;
         height: 400px;
-
+        position: relative;
+        overflow: hidden;
         video {
           width: 100%;
           height: 100%;