fix

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

@@ -372,10 +372,11 @@ public class RoomServiceImpl implements RoomService {
 
             // 全员静音状态开启
             if (muteAll) {
-
-                // 重置用户当前静音状态
                 for (RoomResult.MemberResult item : roomResult.getMembers()) {
-                    item.setMicrophone(false);
+                    // 重置学生用户当前静音状态
+                    if (RoleStudent.getValue() == item.getRole()) {
+                        item.setMicrophone(false);
+                    }
                 }
             }
         }