check table sys_session;
repair table sys_session;
+8*60*60
-28800
+28800
预约时间和添加时间-2880
addtime dytime order_date2 order_date
update patient_20 set addtime=addtime-28800;
update patient_20 set order_date=order_date-28800;
update patient_20 set dytime=dytime-28800;
update patient_20 set order_date2=order_date2-28800;