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mec-biz/src/main/java/com/ym/mec/biz/service/impl/LessonCoursewareServiceImpl.java

@@ -241,6 +241,8 @@ public class LessonCoursewareServiceImpl extends ServiceImpl<LessonCoursewareMap
                     }
                 }
             }
+            //剔除掉视频素材，且没有content的数据
+            materialList.removeIf(materialSmall -> materialSmall.getType() == EMaterialType.SONG && StringUtils.isEmpty(materialSmall.getContent()));
         }
     }
 }