diff --git a/op-modules/op-plan/src/main/java/com/op/plan/service/impl/ProOrderWorkorderServiceImpl.java b/op-modules/op-plan/src/main/java/com/op/plan/service/impl/ProOrderWorkorderServiceImpl.java
index 04d01408..1a28b5a3 100644
--- a/op-modules/op-plan/src/main/java/com/op/plan/service/impl/ProOrderWorkorderServiceImpl.java
+++ b/op-modules/op-plan/src/main/java/com/op/plan/service/impl/ProOrderWorkorderServiceImpl.java
@@ -1173,11 +1173,11 @@ public class ProOrderWorkorderServiceImpl implements IProOrderWorkorderService {
 
             if(proOrderWorkorderBatch.getNewBatchQuantity() != null){
                 Long newBatchQuantity = proOrderWorkorderBatch.getNewBatchQuantity();
-                if(m==0 || m== workOrders.size()-1){
+                if(m==0){
                     // 设置子工单数量
                     batch.setBatchQuantity(newBatchQuantity);
                 }else{
-                    batch.setBatchQuantity(workOrders.get(m+1).getUmrez()
+                    batch.setBatchQuantity(workOrders.get(m-1).getUmrez()
                             .multiply(new BigDecimal(newBatchQuantity)).longValue());
                 }
             }
@@ -1219,7 +1219,7 @@ public class ProOrderWorkorderServiceImpl implements IProOrderWorkorderService {
                     // 设置子工单数量
                     batch.setNewBatchQuantity(newBatchQuantity);
                 }else{
-                    batch.setNewBatchQuantity(workOrders.get(m+1).getUmrez()
+                    batch.setNewBatchQuantity(workOrders.get(m-1).getUmrez()
                             .multiply(new BigDecimal(newBatchQuantity)).longValue());
                 }
             }