修改

src/views/attend-class/component/audio.module.less

@@ -117,6 +117,7 @@
     width: 40px;
     height: 39px;
     background-color: transparent;
+    cursor: pointer;
 
     &>img {
       width: 100%;

src/views/attend-class/component/video.module.less

@@ -82,6 +82,7 @@
       width: 40px;
       height: 39px;
       background-color: transparent;
+      cursor: pointer;
 
       &>img {
         width: 100%;