diff --git a/xymanager_dao/src/main/resources/mappers/DyLevelDao.xml b/xymanager_dao/src/main/resources/mappers/DyLevelDao.xml
index 3f05226..5e25f01 100644
--- a/xymanager_dao/src/main/resources/mappers/DyLevelDao.xml
+++ b/xymanager_dao/src/main/resources/mappers/DyLevelDao.xml
@@ -86,8 +86,8 @@
         y.model as model,
         f.last_heartbeat as last_heartbeat
         from ((((dy_level z left join `lines` x on z.id = x.dy_level_id and x.status = #{status} and z.status = #{status})
-        left join tower t on t.line_id = x.id)
         left join terminals y on x.id = y.line_id and y.status = #{status})
+        left join tower t on y.tower_id = t.id)
         left join terminal_status f on f.term_id = y.id)
     </select>