diff --git a/pqs-device/pms-device/pms-device-boot/src/main/java/com/njcn/device/pms/mapper/majornetwork/mapping/SpecialAnalysisMapper.xml b/pqs-device/pms-device/pms-device-boot/src/main/java/com/njcn/device/pms/mapper/majornetwork/mapping/SpecialAnalysisMapper.xml
index 51b469b3d..42a7cb02e 100644
--- a/pqs-device/pms-device/pms-device-boot/src/main/java/com/njcn/device/pms/mapper/majornetwork/mapping/SpecialAnalysisMapper.xml
+++ b/pqs-device/pms-device/pms-device-boot/src/main/java/com/njcn/device/pms/mapper/majornetwork/mapping/SpecialAnalysisMapper.xml
@@ -184,7 +184,7 @@
     <select id="selectRailwayList"
             resultType="com.njcn.device.pms.pojo.vo.SpecialAnalysisMonitorVO$SpecialAnalysisRailwayVO">
         SELECT
-            pts.Id,
+            DISTINCT pts.Id,
             pts.`Name`,
             pts.Org_Name,
             pts.Railway_Line_Name,
@@ -192,7 +192,7 @@
             pts.Power_Name as powerrName,
             pts.Power_Id as powerrId,
             pts.Voltage_Level,
-            ptse.capacity,
+            IFNULL(ptse.capacity,0) as capacity,
             ps.Longitude,
             ps.Latitude
         FROM