diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/mapper/LeaseApplyDetailsMapper.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/mapper/LeaseApplyDetailsMapper.java
index e046398..7e923a6 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/mapper/LeaseApplyDetailsMapper.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/mapper/LeaseApplyDetailsMapper.java
@@ -3,6 +3,7 @@ package com.bonus.sgzb.app.mapper;
 import com.bonus.sgzb.app.domain.LeaseApplyDetails;
 import com.bonus.sgzb.app.domain.LeaseOutDetailRecord;
 import com.bonus.sgzb.app.domain.TmTask;
+import com.bonus.sgzb.base.api.domain.BackApplyInfo;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
@@ -54,4 +55,6 @@ public interface LeaseApplyDetailsMapper {
     TmTask getOrderHead(String parentId);
 
     List<LeaseOutDetailRecord> getOrderBody(@Param("parentId") String parentId,@Param("typeId") String typeId);
+
+    List<com.bonus.sgzb.material.domain.LeaseApplyDetails> getLeaseApplyDetailsTypeCount(BackApplyInfo bean);
 }
\ No newline at end of file
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 ef9b4ec..8aa20d6 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
@@ -40,7 +40,7 @@ public interface BackApplyMapper {
      */
     String selectTaskNumByMonth(@Param("date") Date date, @Param("taskType") Integer taskType);
 
-    List<BackApplyInfo> getBackApplyDetailsTypeCount();
+    List<BackApplyInfo> getBackApplyDetailsTypeCount(BackApplyInfo bean);
 
     /**
      * 增加
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 a59aed2..34ff101 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
@@ -1,6 +1,7 @@
 package com.bonus.sgzb.material.service.impl;
 
 import cn.hutool.core.collection.CollUtil;
+import com.bonus.sgzb.app.mapper.LeaseApplyDetailsMapper;
 import com.bonus.sgzb.base.api.domain.BackApplyInfo;
 import com.bonus.sgzb.base.api.domain.MachinePart;
 import com.bonus.sgzb.common.core.utils.DateUtils;
@@ -19,7 +20,9 @@ import org.springframework.stereotype.Service;
 
 import java.text.SimpleDateFormat;
 import java.util.*;
+import java.util.stream.Collector;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 /**
  * @author hay
@@ -31,6 +34,9 @@ public class BackApplyServiceImpl implements BackApplyService {
     @Autowired
     private BackApplyMapper backApplyMapper;
 
+    @Autowired
+    private LeaseApplyDetailsMapper leaseApplyDetailsMapper;
+
     @Autowired
     private TaskMapper tmTaskMapper;
 
@@ -89,15 +95,23 @@ public class BackApplyServiceImpl implements BackApplyService {
     public boolean isBackApplyNumberCorrect(BackApplyInfo bean) {
         boolean isCorrect = true; //默认合法
         // 查看出库数据
-        List<BackApplyInfo> backTypeList = backApplyMapper.getBackApplyDetailsTypeCount();
-
+        List<BackApplyInfo> backTypes = backApplyMapper.getBackApplyDetailsTypeCount(bean);
         // 查看退料已审核数据
-
-
+        List<LeaseApplyDetails> leaseTypes = leaseApplyDetailsMapper.getLeaseApplyDetailsTypeCount(bean);
         // 比较本次退料数据，是否大于前两者的差额，大于就报错
-        List<BackApplyInfo> backApplyDetails = bean.getBackApplyDetails();
-
-
+        List<BackApplyInfo> thisBackTypes = bean.getBackApplyDetails();
+        // 判断3个list是否具备合法性
+        Map<String, Integer> oldBackMap = backTypes.stream().collect(Collectors.groupingBy(BackApplyInfo::getTypeId,
+                        Collectors.summingInt(BackApplyInfo::getBackNum)));
+        Map<Integer, Integer> leaseMap = leaseTypes.stream().collect(Collectors.groupingBy(LeaseApplyDetails::getTypeId,
+                Collectors.summingInt(LeaseApplyDetails::getAlNum)));
+        Map<String, Integer> thisBackMap = thisBackTypes.stream().collect(Collectors.groupingBy(BackApplyInfo::getTypeId,
+                Collectors.summingInt(BackApplyInfo::getNum)));
+        for (Integer key : leaseMap.keySet()) {
+            if (oldBackMap.get(String.valueOf(key)) + thisBackMap.get(String.valueOf(key)) > leaseMap.get(key)) {
+                return false;
+            }
+        }
         return isCorrect;
     }
 
diff --git a/sgzb-modules/sgzb-material/src/main/resources/mapper/app/LeaseApplyDetailsMapper.xml b/sgzb-modules/sgzb-material/src/main/resources/mapper/app/LeaseApplyDetailsMapper.xml
index fd6ad29..4efbb2a 100644
--- a/sgzb-modules/sgzb-material/src/main/resources/mapper/app/LeaseApplyDetailsMapper.xml
+++ b/sgzb-modules/sgzb-material/src/main/resources/mapper/app/LeaseApplyDetailsMapper.xml
@@ -585,4 +585,14 @@
       </if>
     </trim>
   </insert>
+
+  <select id="getLeaseApplyDetailsTypeCount" resultType="com.bonus.sgzb.material.domain.LeaseApplyDetails">
+    select lad.type_id as typeId, sum(lad.al_num) as alNum
+    from lease_apply_details lad
+           LEFT join lease_apply_info lai on lai.id = lad.parennt_id
+           LEFT join tm_task tt on lai.task_id = tt.task_id
+           LEFT join tm_task_agreement tta on tta.task_id = tt.task_id
+    where tta.agreement_id = #{agreementId}
+    group by lad.type_id
+  </select>
 </mapper>
\ No newline at end of file