diff --git a/src/main/java/com/gaotao/modules/inboundNotification/service/impl/InboundNotificationServiceImpl.java b/src/main/java/com/gaotao/modules/inboundNotification/service/impl/InboundNotificationServiceImpl.java
index e9ce7db..c34a3dc 100644
--- a/src/main/java/com/gaotao/modules/inboundNotification/service/impl/InboundNotificationServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/inboundNotification/service/impl/InboundNotificationServiceImpl.java
@@ -28,6 +28,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
 
 import java.math.BigDecimal;
 import java.util.*;
@@ -613,6 +614,7 @@ public class InboundNotificationServiceImpl implements InboundNotificationServic
     @Override
     @Transactional
     public void saveInboundDetail(InboundNotificationDetailVo data) {
+        validateInboundDetailNotDuplicate(data);
         List<InboundNotificationDetailVo> inbounds = new ArrayList<>();
         // 根据orderNo获取order_item_no 如果为空则为1
         Integer maxLineNo = detailMapper.getMaxLineNo(data);
@@ -633,6 +635,100 @@ public class InboundNotificationServiceImpl implements InboundNotificationServic
         }
     }
 
+    /**
+     * 保存入库明细前防重复：本次提交内部、以及库中已有明细都不能出现相同卷号。
+     * 生产入库按卷号校验；其他入库无卷号时按物料编码校验。
+     */
+    private void validateInboundDetailNotDuplicate(InboundNotificationDetailVo data) {
+        if (data == null || !StringUtils.hasText(data.getOrderNo())) {
+            throw new RuntimeException("入库单号不能为空");
+        }
+        List<PartInformationVo> partList = data.getPartList();
+        if (partList == null || partList.isEmpty()) {
+            throw new RuntimeException("请选择物料！");
+        }
+
+        LinkedHashSet<String> requestRollNos = new LinkedHashSet<>();
+        List<String> duplicateRollNos = new ArrayList<>();
+        LinkedHashSet<String> requestPartNos = new LinkedHashSet<>();
+        List<String> duplicatePartNos = new ArrayList<>();
+        for (PartInformationVo part : partList) {
+            if (part == null) {
+                continue;
+            }
+            String rollNo = part.getRollNo() == null ? "" : part.getRollNo().trim();
+            if (StringUtils.hasText(rollNo)) {
+                if (!requestRollNos.add(rollNo)) {
+                    if (!duplicateRollNos.contains(rollNo)) {
+                        duplicateRollNos.add(rollNo);
+                    }
+                }
+                continue;
+            }
+            String partNo = part.getPartNo() == null ? "" : part.getPartNo().trim();
+            if (StringUtils.hasText(partNo) && !requestPartNos.add(partNo) && !duplicatePartNos.contains(partNo)) {
+                duplicatePartNos.add(partNo);
+            }
+        }
+        if (!duplicateRollNos.isEmpty()) {
+            throw new RuntimeException("已选物料存在重复卷号：" + String.join("、", duplicateRollNos));
+        }
+        if (!duplicatePartNos.isEmpty()) {
+            throw new RuntimeException("已选物料存在重复物料编码：" + String.join("、", duplicatePartNos));
+        }
+
+        PartInformationVo firstPart = partList.get(0);
+        String site = StringUtils.hasText(data.getSite()) ? data.getSite() : (firstPart == null ? null : firstPart.getSite());
+        String buNo = StringUtils.hasText(data.getBuNo()) ? data.getBuNo() : (firstPart == null ? null : firstPart.getBuNo());
+        if (!StringUtils.hasText(site) || !StringUtils.hasText(buNo)) {
+            throw new RuntimeException("工厂或事业部不能为空");
+        }
+        data.setSite(site);
+        data.setBuNo(buNo);
+
+        InboundNotificationDetailVo query = new InboundNotificationDetailVo();
+        query.setSite(site);
+        query.setBuNo(buNo);
+        query.setOrderNo(data.getOrderNo());
+        List<InboundNotificationDetailVo> existingList = detailMapper.getInboundDetail(query);
+        if (existingList == null || existingList.isEmpty()) {
+            return;
+        }
+
+        Set<String> existingRollNos = new HashSet<>();
+        Set<String> existingPartNos = new HashSet<>();
+        for (InboundNotificationDetailVo row : existingList) {
+            if (row == null) {
+                continue;
+            }
+            if (StringUtils.hasText(row.getRollNo())) {
+                existingRollNos.add(row.getRollNo().trim());
+            } else if (StringUtils.hasText(row.getPartNo())) {
+                existingPartNos.add(row.getPartNo().trim());
+            }
+        }
+
+        List<String> conflictRollNos = new ArrayList<>();
+        for (String rollNo : requestRollNos) {
+            if (existingRollNos.contains(rollNo)) {
+                conflictRollNos.add(rollNo);
+            }
+        }
+        if (!conflictRollNos.isEmpty()) {
+            throw new RuntimeException("以下卷号已存在于入库明细中，请勿重复添加：" + String.join("、", conflictRollNos));
+        }
+
+        List<String> conflictPartNos = new ArrayList<>();
+        for (String partNo : requestPartNos) {
+            if (existingPartNos.contains(partNo)) {
+                conflictPartNos.add(partNo);
+            }
+        }
+        if (!conflictPartNos.isEmpty()) {
+            throw new RuntimeException("以下物料已存在于入库明细中，请勿重复添加：" + String.join("、", conflictPartNos));
+        }
+    }
+
     private static InboundNotificationDetailVo getInboundNotificationDetailVo(InboundNotificationDetailVo data, PartInformationVo part, Integer lineNo) {
         InboundNotificationDetailVo detailVo = new InboundNotificationDetailVo();
         detailVo.setSite(part.getSite());
diff --git a/src/main/java/com/gaotao/modules/outboundNotification/service/impl/OutboundNotificationServiceImpl.java b/src/main/java/com/gaotao/modules/outboundNotification/service/impl/OutboundNotificationServiceImpl.java
index 79a7b6f..3972341 100644
--- a/src/main/java/com/gaotao/modules/outboundNotification/service/impl/OutboundNotificationServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/outboundNotification/service/impl/OutboundNotificationServiceImpl.java
@@ -17,10 +17,14 @@ import org.apache.shiro.SecurityUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
 
 import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 @Service
 public class OutboundNotificationServiceImpl implements OutboundNotificationService {
@@ -150,6 +154,7 @@ public class OutboundNotificationServiceImpl implements OutboundNotificationServ
     @Override
     @Transactional
     public void saveOutboundDetail(OutboundNotificationDetailVo data) {
+        validateOutboundDetailNotDuplicate(data);
         List<OutboundNotificationDetailVo> inbounds = new ArrayList<>();
         for (PartInformationVo part : data.getPartList()) {
             OutboundNotificationDetailVo detailVo = getInboundNotificationDetailVo(data, part);
@@ -165,6 +170,115 @@ public class OutboundNotificationServiceImpl implements OutboundNotificationServ
         }
     }
 
+    /**
+     * 保存出库明细前防重复：按 site + 采购订单 + 行号校验。
+     */
+    private void validateOutboundDetailNotDuplicate(OutboundNotificationDetailVo data) {
+        if (data == null || !StringUtils.hasText(data.getOrderNo())) {
+            throw new RuntimeException("出库单号不能为空");
+        }
+        List<PartInformationVo> partList = data.getPartList();
+        if (partList == null || partList.isEmpty()) {
+            throw new RuntimeException("请选择物料！");
+        }
+
+        PartInformationVo firstPart = partList.get(0);
+        String site = StringUtils.hasText(data.getSite()) ? data.getSite().trim() : (firstPart == null ? null : trimToEmpty(firstPart.getSite()));
+        String buNo = StringUtils.hasText(data.getBuNo()) ? data.getBuNo() : (firstPart == null ? null : firstPart.getBuNo());
+        if (!StringUtils.hasText(site) || !StringUtils.hasText(buNo)) {
+            throw new RuntimeException("工厂或事业部不能为空");
+        }
+        data.setSite(site);
+        data.setBuNo(buNo);
+
+        LinkedHashSet<String> requestKeys = new LinkedHashSet<>();
+        List<String> duplicateDisplays = new ArrayList<>();
+        for (PartInformationVo part : partList) {
+            if (part == null) {
+                continue;
+            }
+            String key = buildOutboundDuplicateKey(site, part);
+            if (!StringUtils.hasText(key)) {
+                continue;
+            }
+            if (!requestKeys.add(key)) {
+                String display = buildOutboundDuplicateDisplay(part);
+                if (!duplicateDisplays.contains(display)) {
+                    duplicateDisplays.add(display);
+                }
+            }
+        }
+        if (!duplicateDisplays.isEmpty()) {
+            throw new RuntimeException("已选物料存在重复采购订单+行号：" + String.join("、", duplicateDisplays));
+        }
+
+        OutboundNotificationDetailVo query = new OutboundNotificationDetailVo();
+        query.setSite(site);
+        query.setBuNo(buNo);
+        query.setOrderNo(data.getOrderNo());
+        List<OutboundNotificationDetailVo> existingList = detailMapper.getOutboundDetail(query);
+        if (existingList == null || existingList.isEmpty()) {
+            return;
+        }
+
+        Set<String> existingKeys = new HashSet<>();
+        for (OutboundNotificationDetailVo row : existingList) {
+            if (row == null) {
+                continue;
+            }
+            String key = buildOutboundDuplicateKey(site, row.getRelatedOrderNo(), row.getRelatedOrderLineNo(), row.getPartNo());
+            if (StringUtils.hasText(key)) {
+                existingKeys.add(key);
+            }
+        }
+        List<String> conflictDisplays = new ArrayList<>();
+        for (PartInformationVo part : partList) {
+            if (part == null) {
+                continue;
+            }
+            String key = buildOutboundDuplicateKey(site, part);
+            if (StringUtils.hasText(key) && existingKeys.contains(key)) {
+                String display = buildOutboundDuplicateDisplay(part);
+                if (!conflictDisplays.contains(display)) {
+                    conflictDisplays.add(display);
+                }
+            }
+        }
+        if (!conflictDisplays.isEmpty()) {
+            throw new RuntimeException("以下采购订单+行号已存在于出库明细中，请勿重复添加：" + String.join("、", conflictDisplays));
+        }
+    }
+
+    private String buildOutboundDuplicateKey(String site, PartInformationVo part) {
+        if (part == null) {
+            return "";
+        }
+        String partSite = StringUtils.hasText(part.getSite()) ? part.getSite().trim() : site;
+        return buildOutboundDuplicateKey(partSite, part.getRelatedOrderNo(), part.getRelatedOrderLineNo(), part.getPartNo());
+    }
+
+    private String buildOutboundDuplicateKey(String site, String relatedOrderNo, String relatedOrderLineNo, String partNo) {
+        String orderNo = trimToEmpty(relatedOrderNo);
+        String lineNo = trimToEmpty(relatedOrderLineNo);
+        if (StringUtils.hasText(orderNo) && StringUtils.hasText(lineNo)) {
+            return trimToEmpty(site) + "|" + orderNo + "|" + lineNo;
+        }
+        return StringUtils.hasText(partNo) ? trimToEmpty(partNo) : "";
+    }
+
+    private String buildOutboundDuplicateDisplay(PartInformationVo part) {
+        String orderNo = trimToEmpty(part.getRelatedOrderNo());
+        String lineNo = trimToEmpty(part.getRelatedOrderLineNo());
+        if (StringUtils.hasText(orderNo) && StringUtils.hasText(lineNo)) {
+            return orderNo + " / " + lineNo;
+        }
+        return trimToEmpty(part.getPartNo());
+    }
+
+    private String trimToEmpty(String value) {
+        return value == null ? "" : value.trim();
+    }
+
     private static OutboundNotificationDetailVo getInboundNotificationDetailVo(OutboundNotificationDetailVo data, PartInformationVo part) {
         OutboundNotificationDetailVo detailVo = new OutboundNotificationDetailVo();
         detailVo.setSite(part.getSite());
diff --git a/src/main/resources/mapper/outboundNotification/OutboundNotificationDetailMapper.xml b/src/main/resources/mapper/outboundNotification/OutboundNotificationDetailMapper.xml
index 7b147cc..f5eb740 100644
--- a/src/main/resources/mapper/outboundNotification/OutboundNotificationDetailMapper.xml
+++ b/src/main/resources/mapper/outboundNotification/OutboundNotificationDetailMapper.xml
@@ -208,8 +208,13 @@
         INNER JOIN part b WITH (NOLOCK) ON a.site = b.site AND a.part_no = b.partno
         LEFT JOIN inventory_stock c WITH (NOLOCK) ON a.site = c.site AND a.roll_no = c.roll_no AND (c.status IN ('在库', '冻结') OR A.hardtag_in_flag ='未入库')
         left join um as um on a.site = um.site and b.umid = um.umid
+        LEFT JOIN outbound_notification_detail d ON a.Site = d.site AND a.bu_no = d.bu_no
+            AND a.Order_No = d.related_order_no
+            AND CAST(a.item_no AS NVARCHAR(50)) = CAST(d.related_order_line_no AS NVARCHAR(50))
+            AND d.order_no = #{query.orderNo}
         where a.site = #{query.site} and a.bu_no = #{query.buNo}
-        and a.Part_No not in
+        AND d.site IS NULL
+        AND CAST(ISNULL(a.Order_No, '') AS NVARCHAR(100)) + '||' + CAST(ISNULL(a.item_no, '') AS NVARCHAR(50)) not in
         <foreach collection="query.arr" close=")" open="(" item="item" separator=",">
             #{item}
         </foreach>