update 财务导出做优化

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ExportServiceImpl.java

@@ -444,11 +444,10 @@ public class ExportServiceImpl implements ExportService {
                 paymentChannel = "余额";
             }
             row.setPaymentChannel(paymentChannel);
-            row.setId(i);
             i++;
         }
 
-        Map<Long, List<StudentPaymentOrderExportDto>> orderMap = studentPaymentOrderExportDtos.stream().collect(Collectors.groupingBy(e->e.getId()));
+        Map<Long, List<StudentPaymentOrderExportDto>> orderMap = studentPaymentOrderExportDtos.stream().collect(Collectors.groupingBy(StudentPaymentOrderExportDto::getId));
         orderMap.forEach((orderId, orders) -> {
             int j = 1;
             BigDecimal routeMusicGroupCourseFee = BigDecimal.ZERO;