diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/domain/InvoiceProduct.java b/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/domain/InvoiceProduct.java
index c3918905..b368e9f3 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/domain/InvoiceProduct.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/domain/InvoiceProduct.java
@@ -61,10 +61,14 @@ public class InvoiceProduct implements Serializable {
     @Column(name = "actual_invoice_number",nullable = false)
     private Long actualInvoiceNumber;
 
-    // 瘦瘦金额
+    // 销售金额
     @Column(name = "sale_price")
     private Long salePrice;
 
+    // 单价
+    @Column(name = "unit_price")
+    private Long unitPrice;
+
     // 备注
     @Column(name = "remark")
     private String remark;
diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/service/impl/InvoiceServiceImpl.java b/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/service/impl/InvoiceServiceImpl.java
index f67aaba9..c8ef059e 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/service/impl/InvoiceServiceImpl.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/wms/invoice/service/impl/InvoiceServiceImpl.java
@@ -155,6 +155,19 @@ public class InvoiceServiceImpl implements InvoiceService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public InvoiceDetailDTO create(CreateInvoiceRequest createInvoiceRequest) {
+        List<String> repeatProductCodeList =createInvoiceRequest.getInvoiceProductList().stream().
+                collect(Collectors.groupingBy(dog->dog.getProductCode() ,Collectors.counting()))
+                .entrySet().stream()
+                .filter(entry->entry.getValue()>1)
+                .map(entry->entry.getKey())
+                .collect(Collectors.toList());
+
+        if(!CollectionUtils.isEmpty(repeatProductCodeList)){
+            String repeatProductCodeStr = me.zhengjie.utils.StringUtils.join(repeatProductCodeList.toArray(), ",");
+            throw new BadRequestException("产品" + repeatProductCodeStr + "请合并为一条记录");
+        }
+
+
         Invoice invoice = new Invoice();
         // 客户订单编号
         String customerOrderCode = createInvoiceRequest.getCustomerOrderCode();
@@ -223,6 +236,19 @@ public class InvoiceServiceImpl implements InvoiceService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void update(UpdateInvoiceRequest updateInvoiceRequest) {
+
+        List<String> repeatProductCodeList =updateInvoiceRequest.getInvoiceProductList().stream().
+                collect(Collectors.groupingBy(dog->dog.getProductCode() ,Collectors.counting()))
+                .entrySet().stream()
+                .filter(entry->entry.getValue()>1)
+                .map(entry->entry.getKey())
+                .collect(Collectors.toList());
+
+        if(!CollectionUtils.isEmpty(repeatProductCodeList)){
+            String repeatProductCodeStr = me.zhengjie.utils.StringUtils.join(repeatProductCodeList.toArray(), ",");
+            throw new BadRequestException("产品" + repeatProductCodeStr + "请合并为一条记录");
+        }
+
         Invoice invoice = new Invoice();
         BeanUtils.copyProperties(updateInvoiceRequest, invoice);
         // 修改发货单概要信息