feat：- add sql

电子日历/2024-08-29-update.sql

-alter table t_device_group
+alter table t_device_group
@@ -5,4 +5,8 @@ alter table t_questionnaire
     modify questionnaire_name varchar(200) not null comment '问卷名称';
 
 create index t_events_is_from_parse_ics_index
-    on t_events (is_from_parse_ics);
\ No newline at end of file
+    on t_events (is_from_parse_ics);
+
+UPDATE t_events
+SET is_from_parse_ics=1
+WHERE sync_event_id is not null;
\ No newline at end of file