update

src/main/java/com/qmth/exam/reserve/service/impl/ExamRoomServiceImpl.java

@@ -211,7 +211,7 @@ public class ExamRoomServiceImpl extends ServiceImpl<ExamRoomDao, ExamRoomEntity
             wrapper.set(ExamRoomEntity::getAddress, room.getAddress());
             wrapper.set(ExamRoomEntity::getCapacity, room.getCapacity());
             wrapper.set(ExamRoomEntity::getEnable, Boolean.TRUE);
-            wrapper.eq(ExamRoomEntity::getId, room.getId());
+            wrapper.eq(ExamRoomEntity::getId, examRoom.getId());
             update(null, wrapper);
         } else {
             save(room);