diff --git a/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/mapper/mapping/LineDetailMapper.xml b/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/mapper/mapping/LineDetailMapper.xml
index ade320da8..01d329735 100644
--- a/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/mapper/mapping/LineDetailMapper.xml
+++ b/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/mapper/mapping/LineDetailMapper.xml
@@ -55,7 +55,7 @@
 
 
     <select id="getMonitorDetail" resultType="com.njcn.device.biz.pojo.dto.LineDevGetDTO">
-        select a.id pointId,a.name pointName,b.Time_Interval interval
+        select a.id pointId,a.name pointName,b.Time_Interval `interval`
         from pq_line a
         inner join pq_line_detail b on a.id=b.id
         where a.id = #{monitorId}