diff --git a/coolstore-partner-service/src/main/java/com/cool/store/service/store/impl/PreAllocationRecordServiceImpl.java b/coolstore-partner-service/src/main/java/com/cool/store/service/store/impl/PreAllocationRecordServiceImpl.java
index 8af281ab8..76e618077 100644
--- a/coolstore-partner-service/src/main/java/com/cool/store/service/store/impl/PreAllocationRecordServiceImpl.java
+++ b/coolstore-partner-service/src/main/java/com/cool/store/service/store/impl/PreAllocationRecordServiceImpl.java
@@ -747,7 +747,10 @@ public class PreAllocationRecordServiceImpl implements PreAllocationRecordServic
         if (!amountSupport){
             throw new ServiceException(ErrorCodeEnum.WALLET_BALANCE_INSUFFICIENT);
         }
-        String payNo = GenerateNoUtil.generateMillsNoWithRandom();
+        String payNo = record.getPayNo();
+        if (StringUtils.isEmpty(payNo)){
+            payNo = GenerateNoUtil.generateMillsNoWithRandom();
+        }
         AccountTransferDTO accountTransferDTO ;
         try {
             accountTransferDTO =  walletPayInfoService.accountPay(record.getExpenseType(), record.getPayAmount(),