Merge branch 'hqyNew' of http://git.dayaedu.com/huangqiyong/pptList into test-online

src/views/components/element/listeningPracticeElement/listeningPracticePlayer/listeningPracticePlayer.vue

@@ -76,8 +76,6 @@ function handleIframeLoad() {
     flex-direction: column;
     z-index: 10;
     color: #fff;
-    background: url("../cloudCoachList/imgs/musicBg.png");
-    background-size: cover;
     .loadingBox {
       width: 30px;
       height: 30px;

src/views/components/element/musicResourcesElement/musicResourcesPlayer/musicResourcesPlayer.vue

@@ -73,8 +73,6 @@ function handleIframeLoad() {
     flex-direction: column;
     z-index: 10;
     color: #fff;
-    background: url("../cloudCoachList/imgs/musicBg.png");
-    background-size: cover;
     .loadingBox {
       width: 30px;
       height: 30px;

src/views/components/element/rhythmPracticeElement/rhythmPracticePlayer/rhythmPracticePlayer.vue

@@ -92,8 +92,6 @@ defineExpose({
     flex-direction: column;
     z-index: 10;
     color: #fff;
-    background: url("../cloudCoachList/imgs/musicBg.png");
-    background-size: cover;
     .loadingBox {
       width: 30px;
       height: 30px;