diff --git a/jianshui-invoice/src/main/java/com/jianshui/invoice/service/impl/api/AisinoConsoleInvoiceApiServiceImpl.java b/jianshui-invoice/src/main/java/com/jianshui/invoice/service/impl/api/AisinoConsoleInvoiceApiServiceImpl.java
index 222e5e9..32bf0b1 100644
--- a/jianshui-invoice/src/main/java/com/jianshui/invoice/service/impl/api/AisinoConsoleInvoiceApiServiceImpl.java
+++ b/jianshui-invoice/src/main/java/com/jianshui/invoice/service/impl/api/AisinoConsoleInvoiceApiServiceImpl.java
@@ -76,16 +76,16 @@ public class AisinoConsoleInvoiceApiServiceImpl implements IInvoiceApiService {
     @Override
     public HXResponse addInvoice(BillInfo billInfo, Companyservice companyservice) throws IllegalAccessException, InstantiationException {
 
-
+        // 订单号唯一校验 start
         String outNO = billInfo.getOutTradeOrderno() != null ? billInfo.getOutTradeOrderno():"";
         if(StrUtil.isEmpty(outNO)){
             return new HXResponse("订单号为空，请检查报文！");
         }
-        // TODO: 2023/9/26 订单号唯一校验 
-
-
-
-
+        BillInfo billInfoValidate = billInfoMapper.selectByOutTradeOrderno(companyservice.getCompanyid(),outNO);
+        if(BeanUtil.isNotEmpty(billInfoValidate)){
+            return new HXResponse("订单号不允许重复！！！");
+        }
+        // end
 
         // 预处理：处理billinfo，计算税额等
         try {