fix

cost-service/src/main/java/com/blt/other/module/cost/controller/CostFinansysDetailController.java

@@ -92,7 +92,7 @@ public class CostFinansysDetailController {
         data.setAccount(cost.getBankCard());//帐号
         // 费用理由
         final StringBuilder costReason = new StringBuilder();
-        cost.getCostDetailList()
+        Optional.ofNullable(cost.getCostDetailList()).orElse(new ArrayList<>())
                 .forEach(item -> {
                     if (!StringUtils.isEmpty(item.getCostReason())) {
                         costReason.append("付款理由:").append(item.getCostReason()).append(";");