diff --git a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/main/service/impl/HydropowerServiceImpl.java b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/main/service/impl/HydropowerServiceImpl.java
index adf3cb8..85f83fc 100644
--- a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/main/service/impl/HydropowerServiceImpl.java
+++ b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/main/service/impl/HydropowerServiceImpl.java
@@ -1149,7 +1149,7 @@ public class HydropowerServiceImpl implements HydropowerService {
 				long on = reals.stream().filter(real -> entry.getValue().stream().map(StationEntity::getRefDept).collect(Collectors.toList()).contains(real.getDeptId()) && real.getState()).count();
 				long sum = reals.stream().filter(real->entry.getValue().stream().map(StationEntity::getRefDept).collect(Collectors.toList()).contains(real.getDeptId())).count();
 				if(Math.abs(sum) > 0){
-					scale.setDeviceUse(BigDecimal.valueOf(on / sum * 100).setScale(1, BigDecimal.ROUND_HALF_UP).doubleValue());
+					scale.setDeviceUse(BigDecimal.valueOf(on / (double)sum * 100).setScale(1, BigDecimal.ROUND_HALF_UP).doubleValue());
 				}
 			}
 			return scale;