diff --git a/ruoyi-admin/src/main/java/com/ruoyi/purchase/service/impl/PurchasePlanServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/purchase/service/impl/PurchasePlanServiceImpl.java
index 8aa6a405..dbd40f0d 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/purchase/service/impl/PurchasePlanServiceImpl.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/purchase/service/impl/PurchasePlanServiceImpl.java
@@ -4,6 +4,7 @@ import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import com.ruoyi.common.core.redis.RedisCache;
@@ -161,11 +162,22 @@ public class PurchasePlanServiceImpl implements IPurchasePlanService
         // 假设此处有一个生成唯一采购计划单号的方法
         String purchasePlanCode = generateUniquePurchasePlanCode();
 
+        //物料相同的只保留一条
+        List<SysMakeorderBom> uniqueBoms = insertedSysMakeorderBoms.stream()
+                // 分组依据为MaterialNo
+                .collect(Collectors.groupingBy(SysMakeorderBom::getMaterialNo))
+                // 把每个分组转为流，然后取第一个元素
+                .values().stream()
+                .map(groupedBoms -> groupedBoms.stream().findFirst().orElse(null))
+                // 过滤掉null值，以防万一某些分组是空的
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+
         // 仅查询一次，因为所有SysMakeorderBom都关联同一生产单号
-        SysMakeOrder sysMakeOrder = sysMakeOrderMapper.selectMakeOrderByMakeNo(insertedSysMakeorderBoms.get(0).getMakeNo());
+        SysMakeOrder sysMakeOrder = sysMakeOrderMapper.selectMakeOrderByMakeNo(uniqueBoms.get(0).getMakeNo());
 
         //保存所有加工方式为采购的物料
-        List<SysMakeorderBom> filterSysMakeorderBoms = insertedSysMakeorderBoms.stream().filter(bom -> "0".equals(bom.getProcessMethod())).collect(Collectors.toList());
+        List<SysMakeorderBom> filterSysMakeorderBoms = uniqueBoms.stream().filter(bom -> "0".equals(bom.getProcessMethod())).collect(Collectors.toList());
         //统计物料种类的数量
         Integer materialAmount = filterSysMakeorderBoms.size();
 
@@ -183,7 +195,7 @@ public class PurchasePlanServiceImpl implements IPurchasePlanService
         purchasePlanMapper.insertPurchasePlan(purchasePlan);
 
         // 批量创建采购计划子项
-        insertPurchasePlanChildren(insertedSysMakeorderBoms, purchasePlanCode, sysMakeOrder);
+        insertPurchasePlanChildren(uniqueBoms, purchasePlanCode, sysMakeOrder);
     }
 
     /*假设自生成的采购计划单号*/
@@ -214,11 +226,21 @@ public class PurchasePlanServiceImpl implements IPurchasePlanService
         return purchasePlan;
     }
 
-    private void insertPurchasePlanChildren(List<SysMakeorderBom> insertedSysMakeorderBoms, String purchasePlanCode, SysMakeOrder sysMakeOrder) {
+    private void insertPurchasePlanChildren(List<SysMakeorderBom> uniqueBoms, String purchasePlanCode, SysMakeOrder sysMakeOrder) {
+
+//        List<SysMakeorderBom> uniqueBoms = insertedSysMakeorderBoms.stream()
+//                // 分组依据为MaterialNo
+//                .collect(Collectors.groupingBy(SysMakeorderBom::getMaterialNo))
+//                // 把每个分组转为流，然后取第一个元素
+//                .values().stream()
+//                .map(groupedBoms -> groupedBoms.stream().findFirst().orElse(null))
+//                // 过滤掉null值，以防万一某些分组是空的
+//                .filter(Objects::nonNull)
+//                .collect(Collectors.toList());
 
         //生产订单中的订单数量
         Long makeOrderMaterialSum = sysMakeOrder.getMaterialSum();
-        for (SysMakeorderBom bom : insertedSysMakeorderBoms) {
+        for (SysMakeorderBom bom : uniqueBoms) {
             if ("0".equals(bom.getProcessMethod())) {
                 PurchasePlanChild purchasePlanChild = new PurchasePlanChild();
                 purchasePlanChild.setPurchasePlanCode(purchasePlanCode);