diff --git a/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/service/mysql/Impl/line/LimitRateService.java b/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/service/mysql/Impl/line/LimitRateService.java
index 6c1fba6ed..22dbf8ebb 100644
--- a/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/service/mysql/Impl/line/LimitRateService.java
+++ b/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/service/mysql/Impl/line/LimitRateService.java
@@ -1153,7 +1153,7 @@ public class LimitRateService  extends MppServiceImpl<LimitRatePOMapper, LimitRa
             List<DataVPO> maxList = devMap.get("MAX");
             List<DataVPO> minList = devMap.get("MIN");
             List<DataVPO> l1 = maxList.stream().filter(s->s.getVuDev()>overlimit.getVoltageDev()).collect(Collectors.toList());
-            List<DataVPO> l2 = minList.stream().filter(s->s.getVlDev()>overlimit.getUvoltageDev()).collect(Collectors.toList());
+            List<DataVPO> l2 = minList.stream().filter(s->s.getVlDev()<overlimit.getUvoltageDev()).collect(Collectors.toList());
             if (!CollectionUtils.isEmpty(l1) || !CollectionUtils.isEmpty(l2)){
                 uDev++;
             }