diff --git a/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/MonitoringPointCategoryMapperExt.xml b/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/MonitoringPointCategoryMapperExt.xml
index 26edaf6..96b6ea4 100644
--- a/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/MonitoringPointCategoryMapperExt.xml
+++ b/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/MonitoringPointCategoryMapperExt.xml
@@ -24,6 +24,7 @@
         	mpc.company_id,
             mpc.thumbnail_normal_base64,
             mpc.thumbnail_alarm_base64,
+            mpc.thumbnail_dis_base64,
         	mpc.class_name AS `name`
         FROM
             basic_asset_class_big mpc