diff --git a/src/main/java/com/peanut/modules/book/service/impl/BuyOrderServiceImpl.java b/src/main/java/com/peanut/modules/book/service/impl/BuyOrderServiceImpl.java
index d709998b..d2ba739b 100644
--- a/src/main/java/com/peanut/modules/book/service/impl/BuyOrderServiceImpl.java
+++ b/src/main/java/com/peanut/modules/book/service/impl/BuyOrderServiceImpl.java
@@ -535,6 +535,7 @@ public class BuyOrderServiceImpl extends ServiceImpl<BuyOrderDao, BuyOrder> impl
         if ("2".equals(buyOrder.getPaymentMethod())){
             LambdaQueryWrapper<PayZfbOrderEntity> w = new LambdaQueryWrapper<>();
             w.eq(PayZfbOrderEntity::getRelevanceoid, orderSn);
+            w.ne(PayZfbOrderEntity::getTradeNo, "");
             PayZfbOrderEntity p = payZfbOrderService.getOne(w);
             if (p!=null){
                 outTradeNo = p.getOutTradeNo();