fix 工作组-申请开票 无法申请

jero-boot-incoming-payment/src/main/java/com/jero/payment/service/impl/PayPaymentRecordServiceImpl.java

@@ -842,6 +842,9 @@ public class PayPaymentRecordServiceImpl extends ServiceImpl<PayPaymentRecordMap
      */
     @Override
     public void isTax(BigDecimal tax,BigDecimal noTaxAmount,BigDecimal amountReceived){
+        if (tax == null) {
+            return;
+        }
         if (amountReceived.compareTo(tax.add(noTaxAmount)) != 0) {
             throw new JeroBootException("税额和未税金额相加不等于总金额");
         }