src/main/java/com/ruoyi/purchase/service/impl/TicketRegistrationServiceImpl.java
@@ -299,7 +299,7 @@ // 计算 futureTickets(直接使用 BigDecimal 计算,避免精度丢失) product.setFutureTickets( product.getQuantity() .subtract(BigDecimal.valueOf(product.getTicketsNum())) .subtract(product.getTicketsNum()) ); // 计算 futureTicketsAmount