diff --git a/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/domain/RepairInputDetails.java b/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/domain/RepairInputDetails.java
index c7781180..2dc9d6f4 100644
--- a/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/domain/RepairInputDetails.java
+++ b/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/domain/RepairInputDetails.java
@@ -143,6 +143,9 @@ public class RepairInputDetails extends BaseEntity {
      */
     private String endTime;
 
+    @ApiModelProperty(value = "退料ID")
+    private Long backId;
+
     @ApiModelProperty(value = "操作前库存数量")
     private BigDecimal preStoreNum;
 
diff --git a/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/mapper/RepairInputDetailsMapper.java b/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/mapper/RepairInputDetailsMapper.java
index a252d783..976b906a 100644
--- a/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/mapper/RepairInputDetailsMapper.java
+++ b/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/mapper/RepairInputDetailsMapper.java
@@ -110,4 +110,10 @@ public interface RepairInputDetailsMapper {
      */
     int insertRad(RepairInputDetails repairInputDetails);
 
+    /**
+     * 根据任务id查询退料id
+     * @param taskId
+     * @return
+     */
+    Long selectBackIdByTaskId(Long taskId);
 }
diff --git a/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/service/impl/RepairInputDetailsServiceImpl.java b/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/service/impl/RepairInputDetailsServiceImpl.java
index 6f05c333..666ad57b 100644
--- a/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/service/impl/RepairInputDetailsServiceImpl.java
+++ b/bonus-modules/bonus-material/src/main/java/com/bonus/material/repair/service/impl/RepairInputDetailsServiceImpl.java
@@ -235,6 +235,8 @@ public class RepairInputDetailsServiceImpl implements IRepairInputDetailsService
         repairInputDetails1.setTaskId(rePairDto.getTaskId());
         repairInputDetails1.setAgreementId(rePairDto.getAgreementId());
         List<RepairInputInfo> list = repairInputDetailsMapper.selectRepairDetailsById(repairInputDetails1);
+        //根据任务id查询退料id
+        Long backId = repairInputDetailsMapper.selectBackIdByTaskId(rePairDto.getTaskId());
 
         if (CollectionUtils.isNotEmpty(list)) {
             //插入任务表
@@ -253,6 +255,7 @@ public class RepairInputDetailsServiceImpl implements IRepairInputDetailsService
                 repairInputDetails1.setTaskId(newTaskId);
                 repairInputDetails1.setMaId(repairInputInfo.getMaId());
                 repairInputDetails1.setRejectNum(repairInputInfo.getPendingInputNum());
+                repairInputDetails1.setBackId(backId);
                 result += insertWxTask(newTaskId, repairInputDetails1);
             }
             if (result > 0) {
@@ -300,9 +303,12 @@ public class RepairInputDetailsServiceImpl implements IRepairInputDetailsService
                 throw new ServiceException("驳回数量不能大于预入库数量");
             }
         }
+        //根据任务id查询退料id
+        Long backId = repairInputDetailsMapper.selectBackIdByTaskId(repairInputDetails.getTaskId());
         repairInputDetails.setCreateBy(SecurityUtils.getUsername());
         repairInputDetails.setUpdateBy(SecurityUtils.getUsername());
         repairInputDetails.setUpdateTime(DateUtils.getNowDate());
+        repairInputDetails.setBackId(backId);
         // 编码类型驳回
         if (CollectionUtils.isNotEmpty(repairInputDetails.getMaCodeList())) {
             result += processCodeTypeReject(repairInputDetails);
@@ -333,6 +339,7 @@ public class RepairInputDetailsServiceImpl implements IRepairInputDetailsService
             inputDetails.setUpdateTime(DateUtils.getNowDate());
             inputDetails.setCreateBy(SecurityUtils.getUsername());
             inputDetails.setRejectReason(repairInputDetails.getRejectReason());
+            inputDetails.setBackId(repairInputDetails.getBackId());
             result += repairInputDetailsMapper.updateRepairInputDetails(inputDetails);
             inputDetails.setStatus(MaMachineStatusEnum.BACK_REPAIR.getStatus().toString());
             updateRepairInputInfo(inputDetails);
diff --git a/bonus-modules/bonus-material/src/main/resources/mapper/material/repair/RepairInputDetailsMapper.xml b/bonus-modules/bonus-material/src/main/resources/mapper/material/repair/RepairInputDetailsMapper.xml
index 2a29f02c..337d601f 100644
--- a/bonus-modules/bonus-material/src/main/resources/mapper/material/repair/RepairInputDetailsMapper.xml
+++ b/bonus-modules/bonus-material/src/main/resources/mapper/material/repair/RepairInputDetailsMapper.xml
@@ -179,6 +179,16 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </if>
     </select>
 
+    <select id="selectBackIdByTaskId" resultType="java.lang.Long">
+        SELECT
+            rad.back_id
+        FROM
+            repair_input_details rid
+                LEFT JOIN repair_apply_details rad ON rid.repair_id = rad.id
+        WHERE
+            rid.task_id = #{taskId}
+    </select>
+
     <insert id="batchInsertRepairInputDetails" parameterType="com.bonus.material.repair.domain.RepairInputDetails">
         insert into repair_input_details
         (task_id, audit_id, repair_id, ma_id, type_id, repair_num, input_num, create_by, create_time,
@@ -250,6 +260,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <if test="companyId != null">
             company_id,
         </if>
+        <if test="backId != null">
+         back_id,
+        </if>
         create_time
         )
         values (
@@ -275,6 +288,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <if test="companyId != null">
             #{companyId},
         </if>
+        <if test="backId != null">
+                #{backId},
+        </if>
         NOW()
         )
     </insert>