ALTER TABLE `zh_project`
ADD COLUMN `common_json` json NULL COMMENT '通用json，没有sql查询值必要的可放这' AFTER `notice_setting`;
ALTER TABLE `zh_ledger_tag`
ADD COLUMN `pos_id` varchar(36) NOT NULL DEFAULT '' COMMENT '关联计量单元id(zh_pos表中的id)' AFTER `id`;
