diff --git a/src/main/java/com/gunshi/project/xyt/service/ReservoirWaterService.java b/src/main/java/com/gunshi/project/xyt/service/ReservoirWaterService.java
index 899652e..652a456 100644
--- a/src/main/java/com/gunshi/project/xyt/service/ReservoirWaterService.java
+++ b/src/main/java/com/gunshi/project/xyt/service/ReservoirWaterService.java
@@ -2,6 +2,7 @@ package com.gunshi.project.xyt.service;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
+import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.gunshi.project.xyt.entity.so.DataQueryCommonSo;
@@ -70,6 +71,12 @@ public class ReservoirWaterService {
                 BigDecimal maxRz = zvarlBS.stream().max(Comparator.comparing(StZvarlB::getRz)).get().getRz();
                 BigDecimal minRz = zvarlBS.stream().min(Comparator.comparing(StZvarlB::getRz)).get().getRz();
                 if(rz.compareTo(minRz) < 0 || rz.compareTo(maxRz) > 0){
+                    //当期水位库容
+                    StZvarlB equals = zvarlBS.stream().filter(e -> e.getRz().compareTo(vo.getRz()) == 0).findFirst().orElse(new StZvarlB());
+                    //死水位库容
+                    StZvarlB dead = zvarlBS.stream().filter(e -> e.getRz().compareTo(vo.getDeadCap()) == 0).findFirst().orElse(new StZvarlB());
+                    BigDecimal subtract = equals.getW().subtract(dead.getW());
+                    vo.setNowCap(subtract);
                     continue;
                 }
                 Map<BigDecimal, BigDecimal> stZvalMap = zvarlBS.stream().collect(Collectors.toMap(StZvarlB::getRz, StZvarlB::getW));