diff --git a/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.java b/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.java
index 25f1ed64b..030d68d5f 100644
--- a/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.java
+++ b/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.java
@@ -162,4 +162,10 @@ public interface InsuranceAccountDetailMapper {
      * 根据id更新数据
      */
     void updateById(InsuranceAccountDetailPO po);
+
+
+    /**
+     * 删除退差数据(账单月份+退差月份+缴纳状态+人员id+个税扣缴义务人)
+     */
+    void deleteRecessionData(InsuranceAccountDetailPO po);
 }
diff --git a/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.xml b/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.xml
index 5f2bce3dd..dbe702558 100644
--- a/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.xml
+++ b/src/com/engine/salary/mapper/siaccount/InsuranceAccountDetailMapper.xml
@@ -1184,4 +1184,15 @@
         </set>
         WHERE id = #{id}
     </update>
+
+    <delete id="deleteRecessionData" parameterType="com.engine.salary.entity.siaccount.po.InsuranceAccountDetailPO">
+        DELETE
+        FROM hrsa_bill_detail
+        WHERE delete_type = 0
+        AND bill_month = #{billMonth}
+        AND payment_status = #{paymentStatus}
+        AND payment_organization = #{paymentOrganization}
+        AND supplementary_month = #{supplementaryMonth}
+        AND employee_id = #{employeeId}
+    </delete>
 </mapper>
\ No newline at end of file
diff --git a/src/com/engine/salary/service/impl/SIRecessionServiceImpl.java b/src/com/engine/salary/service/impl/SIRecessionServiceImpl.java
index b79df634b..0c819b984 100644
--- a/src/com/engine/salary/service/impl/SIRecessionServiceImpl.java
+++ b/src/com/engine/salary/service/impl/SIRecessionServiceImpl.java
@@ -90,18 +90,12 @@ public class SIRecessionServiceImpl extends Service implements SIRecessionServic
         });
         //退差数据入库
         if (CollectionUtils.isNotEmpty(finalRecessionDetails)) {
-
-            //
-            //查询退差员工中是否已经进行有过退差记录,有过则更新
-//            List<InsuranceAccountDetailPO> haveRecessionPOS= getInsuranceAccountDetailMapper().list(InsuranceAccountDetailParam.builder()
-//                    .paymentStatus(PaymentStatusEnum.RECESSION.getValue())
-//                    .recessionMonthList(param.getRecessionMonthList())
-//                    .employeeIds(employeeIds)
-//                    .paymentOrganization(param.getPaymentOrganization())
-//                    .build());
-            //
             InsuranceAccountDetailPOEncrypt.encryptInsuranceAccountDetailPOList(finalRecessionDetails);
 
+            //删除已有退差记录
+            finalRecessionDetails.forEach(getInsuranceAccountDetailMapper()::deleteRecessionData);
+
+            //入库新数据
             List<List<InsuranceAccountDetailPO>> partition = Lists.partition((List<InsuranceAccountDetailPO>) finalRecessionDetails, 20);
             partition.forEach(getInsuranceAccountDetailMapper()::batchSaveAccountDetails);