Merge branch 'iteration-clssroom-work' into jenkins

src/components/card-preview/listen-modal/index.module.less

@@ -17,7 +17,7 @@
 .musicScore {
   position: relative;
   width: 100%;
-  height: 100%;
+  height: 518px;
   -webkit-overflow-scrolling: touch;
   // overflow: scroll;
 

src/views/prepare-lessons/components/lesson-main/courseware/addCourseware.tsx

@@ -122,7 +122,7 @@ export default defineComponent({
       addOtherSource: false,
       addOtherIndex: 0 // 添加其它的索引
     });
-    const showModalMask = ref(true);
+    const showModalMask = ref(false);
 
     // 获取列表
     const getList = async () => {