diff --git a/src/main/resources/mappers/backstage/DigitalSignageMapper.xml b/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
index 673a548..84742c6 100644
--- a/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
+++ b/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
@@ -103,7 +103,7 @@
                tct.max_slope AS maxSlope,
                tt.baidu_lon AS baiduLon,
                tt.baidu_lat AS baiduLat,
-               tt.tower_name AS towerName,
+               tct.name AS towerName,
                tct.cableway_width AS cablewayWidth,
                tct.id
         FROM tb_cablewa_trans tct