item：修改维保公司父级ID为空默认返回

amos-boot-module/amos-boot-module-biz/amos-boot-module-common-biz/src/main/java/com/yeejoin/amos/boot/module/common/biz/service/impl/MaintenanceCompanyServiceImpl.java

@@ -706,7 +706,7 @@ public class MaintenanceCompanyServiceImpl
 			maintenanceCompany.put("code", list.getCode());
 			maintenanceCompany.put("name", list.getName());
 			maintenanceCompany.put("type", 1);
-			maintenanceCompany.put("parentId", null);
+			maintenanceCompany.put("parentId", 0);
 			// 查询该维保单位下的业主信息
 			List<OrgUsrDto> orgUsrDtos = this.baseMapper.selectOrgUsrList(list.getSequenceNbr());
 			orgUsrDtos.forEach(orgUsrDto -> {