门店分组叶子节点判断

gic-store-service/src/main/java/com/gic/store/service/outer/impl/ClerkPositionApiServiceImpl.java

@@ -115,7 +115,7 @@ public class ClerkPositionApiServiceImpl implements ClerkPositionApiService {
         }
         Map<Integer, Integer> map = clerkService.countMapByPosition(clerkPosition.getEnterpriseId(), Collections.singletonList(clerkPosition.getClerkPositionId()));
         Integer count = map.get(clerkPosition.getClerkPositionId());
-        if (count > 0) {
+        if (count != null && count > 0) {
             return EnterpriseServiceResponse.failure(ErrorCode.PARAMETER_ERROR.getCode(), "角色正在被使用中，无法删除");
         }
         this.clerkPositionService.deleteById(clerkPositionId);