diff --git a/sgzb-api/sgzb-api-system/src/main/java/com/bonus/sgzb/base/api/domain/BackApplyInfo.java b/sgzb-api/sgzb-api-system/src/main/java/com/bonus/sgzb/base/api/domain/BackApplyInfo.java
index f78d5ff..ed8b548 100644
--- a/sgzb-api/sgzb-api-system/src/main/java/com/bonus/sgzb/base/api/domain/BackApplyInfo.java
+++ b/sgzb-api/sgzb-api-system/src/main/java/com/bonus/sgzb/base/api/domain/BackApplyInfo.java
@@ -284,17 +284,17 @@ public class BackApplyInfo extends BaseEntity {
     /**
      * 已完成的退料数量
      */
-    private String finishedBackNum;
+    private float finishedBackNum;
 
     /**
      * 未完成的退料数量
      */
-    private String inCompletedBackNum;
+    private float inCompletedBackNum;
 
     /**
      * 此协议号最大剩余退料数
      */
-    private String maxBackNum;
+    private float maxBackNum;
 
     @ApiModelProperty(value = "详情id和数量")
     private String detailsIdByNum;
diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/service/impl/BackReceiveServiceImpl.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/service/impl/BackReceiveServiceImpl.java
index 9649c6d..2e706d0 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/service/impl/BackReceiveServiceImpl.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/app/service/impl/BackReceiveServiceImpl.java
@@ -13,6 +13,7 @@ import com.bonus.sgzb.common.core.enums.TaskTypeEnum;
 import com.bonus.sgzb.common.core.utils.DateUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import javax.annotation.Resource;
 import java.text.SimpleDateFormat;
@@ -150,6 +151,7 @@ public class BackReceiveServiceImpl implements BackReceiveService {
         int res = 0;
 //        try {
         int taskId = record.getTaskId();
+        int maxBackNum = 0;
         int passNum = 0;
         int maintenanceNum = 0;
         int scrapNum = 0;
@@ -168,6 +170,32 @@ public class BackReceiveServiceImpl implements BackReceiveService {
         }
         //修改任务状态
         List<BackApplyInfo> list = backReceiveMapper.receiveView2(record);
+        if (!CollectionUtils.isEmpty(list)) {
+            for (BackApplyInfo backApplyInfo : list) {
+                maxBackNum += (int) backApplyInfo.getMaxBackNum();
+            }
+        }
+        List<BackApplyInfo> hgList = backReceiveMapper.getHgList(record);
+        if (hgList != null && hgList.size() > 0) {
+            for (BackApplyInfo bi : hgList) {
+                passNum += bi.getBackNum();
+            }
+        }
+        List<BackApplyInfo> wxList = backReceiveMapper.getWxList(record);
+        if (wxList != null && wxList.size() > 0) {
+            for (BackApplyInfo bi : wxList) {
+                maintenanceNum += bi.getBackNum();
+            }
+        }
+        List<BackApplyInfo> bfList = backReceiveMapper.getBfList(record);
+        if (bfList != null && bfList.size() > 0) {
+            for (BackApplyInfo bi : bfList) {
+                scrapNum += bi.getBackNum();
+            }
+        }
+        if (maxBackNum < passNum + maintenanceNum + scrapNum) {
+            throw new RuntimeException("提交退料数量大于最大退料数,可能您的退料已被别人退掉了");
+        }
         boolean allZeros = list.stream().allMatch(n -> Double.valueOf(n.getMaxBackNum()).intValue() == 0);
         if (allZeros) {
             res = updateTaskStatus(taskId, 40);
@@ -177,7 +205,6 @@ public class BackReceiveServiceImpl implements BackReceiveService {
         }
         //更加退料接收的数据创建下一步流程
         //合格的插入入库记录input_apply_details，修改库存ma_type,修改机具状态
-        List<BackApplyInfo> hgList = backReceiveMapper.getHgList(record);
         if (hgList != null && hgList.size() > 0) {
             res = insertIad(hgList);
             if (res == 0) {
@@ -200,12 +227,8 @@ public class BackReceiveServiceImpl implements BackReceiveService {
             if (res == 0) {
                 throw new RuntimeException("ma_machines");
             }
-            for (BackApplyInfo bi : hgList) {
-                passNum += bi.getBackNum();
-            }
         }
         //维修的创建维修任务，插入任务协议表
-        List<BackApplyInfo> wxList = backReceiveMapper.getWxList(record);
         if (wxList != null && wxList.size() > 0) {
             //插入任务表tm_task
             int newTaskId = insertTt(wxList, TaskTypeEnum.MAINTENANCE_TASK.getCode(), record.getCreateBy());
@@ -213,13 +236,8 @@ public class BackReceiveServiceImpl implements BackReceiveService {
             res = insertTta(newTaskId, wxList);
             //插入维修记录表repair_apply_details
             res = insertRad(newTaskId, wxList);
-            for (BackApplyInfo bi : wxList) {
-                maintenanceNum += bi.getBackNum();
-            }
         }
         //待报废的创建报废任务，插入任务协议表
-
-        List<BackApplyInfo> bfList = backReceiveMapper.getBfList(record);
         if (bfList != null && bfList.size() > 0) {
             //插入任务表tm_task
             int newTaskId = insertTt(bfList, TaskTypeEnum.SCRAP_TASK.getCode(), record.getCreateBy());
@@ -227,9 +245,6 @@ public class BackReceiveServiceImpl implements BackReceiveService {
             res = insertTta(newTaskId, bfList);
             //插入维修记录表scrap_apply_details
             res = insertSad(newTaskId, bfList);
-            for (BackApplyInfo bi : bfList) {
-                scrapNum += bi.getBackNum();
-            }
         }
 
         List<BackApplyInfo> allList = backReceiveMapper.getAllList(record);