feat：- add sql

电子日历/update.sql

-alter table sys_user
+alter table sys_user
@@ -54,6 +54,25 @@ alter table t_events
 alter table t_events
     add end_date_time datetime null comment '事项结束时间(UTC+0)' after start_time;
 
+alter table t_event_recurrence_rules
+    add recurrence_end_datetime datetime null comment '重复事项截止日期(UTC+0)' after recurrence_end_date;
+
+alter table t_events
+    change start_date_time start_datetime datetime null comment '事项开始时间(UTC+0)';
+
+alter table t_events
+    change end_date_time end_datetime datetime null comment '事项结束时间(UTC+0)';
+
+alter table t_events
+    add origin_event_start_datetime datetime null comment '原始事项开始时间(UTC+0)' after origin_event_recurrence_rules_id;
+
+alter table t_events
+    add origin_event_end_datetime datetime null comment '原始事项结束时间(UTC+0)' after origin_start_time;
+
+
+alter table t_events
+    add completed_time datetime null comment '(杂项)完成时间 UTC+0';
+