diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/controller/BackApplyController.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/controller/BackApplyController.java
index 18137a72..d1e24564 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/controller/BackApplyController.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/controller/BackApplyController.java
@@ -240,7 +240,7 @@ public class BackApplyController extends BaseController {
             return AjaxResult.error("参数错误");
         }
         //先删除tm_task、tm_task_agreement、back_apply_details、back_apply_info
-        backApplyService.del(bean);
+        backApplyService.delApply(bean);
         try {
             //生成退料编码
             String code = backApplyService.genderBackCode();
diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/mapper/BackApplyMapper.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/mapper/BackApplyMapper.java
index 0d048261..de70b7cd 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/mapper/BackApplyMapper.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/mapper/BackApplyMapper.java
@@ -126,4 +126,6 @@ public interface BackApplyMapper {
     List<BackApplyInfo> exportList(BackApplyInfo bean);
 
     int updateTmTaskBytaskId(BackApplyInfo bean);
+
+    int delApply(BackApplyInfo bean);
 }
diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/BackApplyService.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/BackApplyService.java
index 7178dca0..8ae60fce 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/BackApplyService.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/BackApplyService.java
@@ -113,4 +113,6 @@ public interface BackApplyService {
      * @return
      */
     List<BackApplyInfo> exportList(BackApplyInfo bean);
+
+    int delApply(BackApplyInfo bean);
 }
diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java
index 467d8b90..1fd09351 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java
@@ -322,4 +322,9 @@ public class BackApplyServiceImpl implements BackApplyService {
         return backApplyMapper.exportList(bean);
     }
 
+    @Override
+    public int delApply(BackApplyInfo bean) {
+        return backApplyMapper.delApply(bean);
+    }
+
 }
diff --git a/sgzb-modules/sgzb-material/src/main/resources/mapper/material/BackApplyMapper.xml b/sgzb-modules/sgzb-material/src/main/resources/mapper/material/BackApplyMapper.xml
index db56681d..7ff0787d 100644
--- a/sgzb-modules/sgzb-material/src/main/resources/mapper/material/BackApplyMapper.xml
+++ b/sgzb-modules/sgzb-material/src/main/resources/mapper/material/BackApplyMapper.xml
@@ -304,6 +304,26 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         FROM back_apply_info
         WHERE id = #{id};
     </delete>
+    <delete id="delApply">
+        DELETE
+        FROM tm_task_agreement
+        WHERE task_id IN (SELECT task_id FROM back_apply_info WHERE id = #{id});
+
+        DELETE
+        FROM tm_task
+        WHERE task_id IN (SELECT task_id FROM back_apply_info WHERE id = #{id});
+
+        DELETE
+        FROM back_apply_details
+        WHERE parent_id IN
+        (select id FROM back_apply_info
+        WHERE task_id in (SELECT task_id FROM back_apply_info WHERE id = #{id}));
+
+        DELETE
+        FROM back_apply_info
+        WHERE task_id in (SELECT task_id FROM back_apply_info WHERE id = #{id});
+
+    </delete>
 
     <select id="getBackApplyList" resultType="com.bonus.sgzb.material.domain.BackApplyInfo">
         SELECT