-- 警情详情字段：事由、来访时间、报案咨询类型、非经侦报案分类
ALTER TABLE t_alarm_report ADD COLUMN IF NOT EXISTS matter varchar(500) DEFAULT '';
ALTER TABLE t_alarm_report ADD COLUMN IF NOT EXISTS visit_time timestamp NULL;
ALTER TABLE t_alarm_report ADD COLUMN IF NOT EXISTS report_consult_type varchar(32) DEFAULT '';
ALTER TABLE t_alarm_report ADD COLUMN IF NOT EXISTS report_case_category varchar(64) DEFAULT '';