ALTER TABLE HUGEINFO.dyh_case_info ADD case_remark VARCHAR(1500) DEFAULT '';
COMMENT ON COLUMN HUGEINFO.dyh_case_info.case_remark IS '案件备注'

ALTER TABLE HUGEINFO.dyh_th_grid_event ADD system_id VARCHAR(200) DEFAULT '';
COMMENT ON COLUMN HUGEINFO.dyh_th_grid_event.system_id IS '公安单号'