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 851e299..899652e 100644
--- a/src/main/java/com/gunshi/project/xyt/service/ReservoirWaterService.java
+++ b/src/main/java/com/gunshi/project/xyt/service/ReservoirWaterService.java
@@ -152,7 +152,8 @@ public class ReservoirWaterService {
     private void calcTqData(List<AttResMonitorVo> rzData, List<StZvarlB> zqrl) {
         BigDecimal maxRz = zqrl.stream().max(Comparator.comparing(StZvarlB::getRz)).get().getRz();
         BigDecimal minRz = zqrl.stream().min(Comparator.comparing(StZvarlB::getRz)).get().getRz();
-        Map<BigDecimal, BigDecimal> map = zqrl.stream().collect(Collectors.toMap(StZvarlB::getRz, StZvarlB::getW));
+        Map<BigDecimal, BigDecimal> map = zqrl.stream().collect(Collectors.toMap(StZvarlB::getRz, StZvarlB::getW,
+                (existing, replacement) -> existing));
         /**
          * 根据监测水位和库容曲线计算出当前库容
          * 计算规则：1.监测水位不在库容曲线范围内，无法计算当前库容