From bd7a90b45aa2461caf6db78ed29d4cc3401a65c8 Mon Sep 17 00:00:00 2001
From: chenrui <1187576398@qq.com>
Date: 星期四, 29 五月 2025 17:35:42 +0800
Subject: [PATCH] 来票台账bug修复

---
 src/main/java/com/ruoyi/purchase/service/impl/PaymentRegistrationServiceImpl.java |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/main/java/com/ruoyi/purchase/service/impl/PaymentRegistrationServiceImpl.java b/src/main/java/com/ruoyi/purchase/service/impl/PaymentRegistrationServiceImpl.java
index 667df89..ec355bd 100644
--- a/src/main/java/com/ruoyi/purchase/service/impl/PaymentRegistrationServiceImpl.java
+++ b/src/main/java/com/ruoyi/purchase/service/impl/PaymentRegistrationServiceImpl.java
@@ -83,7 +83,8 @@
             List<PaymentRegistration> paymentRegistrations = paymentRegistrationMapper.selectList(new QueryWrapper<PaymentRegistration>()
                     .eq("ticket_registration_id", registrationDto.getTicketRegistrationId()));
             BigDecimal total = paymentRegistrations.stream().map(PaymentRegistration::getCurrentPaymentAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
-            registrationDto.setUnPaymentAmount(registrationDto.getInvoiceAmount().subtract(total));
+            BigDecimal invoiceAmount = (null != registrationDto.getInvoiceAmount())? registrationDto.getInvoiceAmount() : BigDecimal.ZERO;
+            registrationDto.setUnPaymentAmount(invoiceAmount.subtract(total));
         }
         return list;
     }

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