# fee

cost-service/src/main/java/com/blt/other/module/cost/service/impl/cost/AbstractCostService.java

@@ -169,12 +169,16 @@ public abstract class AbstractCostService implements CostService {
         if (StringUtils.isNotEmpty(costDomain.getTypeNo())) {
 
             CostTypeDomain costTypeDomain = costTypeDao.selectByNo(costDomain.getTypeNo());
-            AccountingSubject accountingSubject = accountingSubjectMapper.selectById(costTypeDomain.getAccountingSubjectId());
-
-            costDomain.setTypeNo(costDomain.getTypeNo());
-            costDomain.setTypeName(costTypeDomain.getTypeName());
-            costDomain.setAccountingSubjectNo(accountingSubject.getSubjectNo());
-            costDomain.setAccountingSubjectName(accountingSubject.getName());
+            if (costTypeDomain != null) {
+                AccountingSubject accountingSubject = accountingSubjectMapper.selectById(costTypeDomain.getAccountingSubjectId());
+
+                if (accountingSubject != null) {
+                    costDomain.setTypeNo(costDomain.getTypeNo());
+                    costDomain.setTypeName(costTypeDomain.getTypeName());
+                    costDomain.setAccountingSubjectNo(accountingSubject.getSubjectNo());
+                    costDomain.setAccountingSubjectName(accountingSubject.getName());
+                }
+            }
         }
 
         Integer update = costDao.update(costDomain, new LambdaQueryWrapper<CostDomain>()