fix

mec-im/src/main/java/com/ym/service/Impl/RoomServiceImpl.java

@@ -1442,7 +1442,7 @@ public class RoomServiceImpl implements RoomService {
 
         // 同步全员静音状态
         if (Objects.nonNull(data.getMicrophoneOn())) {
-            courseScheduleDao.updateGroupMuteAllStatus(courseScheduleId, data.getMicrophoneOn());
+            courseScheduleDao.updateGroupMuteAllStatus(courseScheduleId, !data.getMicrophoneOn());
         }
 
         // 课程老师信息