RentalOrders(update)

src/main/java/com/mmc/oms/service/Impl/RentalOrdersServiceImpl.java

@@ -176,6 +176,9 @@ public class RentalOrdersServiceImpl implements RentalOrdersService {
         ResponseEntity<String> result4 = restTemplate.exchange(paymentUrl + "repocash/RemainingBalance?repoAccountId=" + repoAccountId,
                 HttpMethod.GET, formEntity, String.class);
         String body = result4.getBody();
+        if (body == null) {
+            body = "0";
+        }
         BigDecimal bigDecimal = new BigDecimal(body);
         return bigDecimal;
     }