diff --git a/src/com/engine/salary/entity/siarchives/bo/InsuranceArchivesBO.java b/src/com/engine/salary/entity/siarchives/bo/InsuranceArchivesBO.java
index ce88f5e9b..f985e04f1 100644
--- a/src/com/engine/salary/entity/siarchives/bo/InsuranceArchivesBO.java
+++ b/src/com/engine/salary/entity/siarchives/bo/InsuranceArchivesBO.java
@@ -34,7 +34,7 @@ public class InsuranceArchivesBO {
                 .socialStartTime(po.getSocialStartTime())
                 .schemeAccount(po.getSocialAccount())
                 .schemePaymentBaseString(po.getSocialPaymentBaseString())
-                .underTake(po.getUnderTake() + "")
+                .underTake(po.getUnderTake() == null ? null : String.valueOf(po.getUnderTake()))
                 .build();
     }
 
@@ -54,7 +54,7 @@ public class InsuranceArchivesBO {
                 .fundStartTime(po.getFundStartTime())
                 .supplementFundAccount(po.getSupplementFundAccount())
                 .nonPayment(po.getNonPayment())
-                .underTake(po.getUnderTake() + "")
+                .underTake(po.getUnderTake() == null ? null : String.valueOf(po.getUnderTake()))
                 .welfareType(SalaryEnumUtil.enumMatchByValue(po.getWelfareType(), WelfareTypeEnum.values(), WelfareTypeEnum.class))
                 .build();
     }
@@ -66,7 +66,7 @@ public class InsuranceArchivesBO {
         return InsuranceArchivesOtherSchemeDTO.builder()
                 .id(po.getId())
                 .employeeId(po.getEmployeeId())
-                .underTake(po.getUnderTake() + "")
+                .underTake(po.getUnderTake() == null ? null : String.valueOf(po.getUnderTake()))
                 .nonPayment(po.getNonPayment())
                 .otherName(po.getOtherSchemeId() == null ? null : String.valueOf(po.getOtherSchemeId()))
                 .otherSchemeId(po.getOtherSchemeId())