fix(system): 修复赛事配置查询中的创建时间字段

- 将 b.created_at 更改为 a.created_at，以确保查询的是 schedule_config表中的创建时间

ruoyi-modules/ruoyi-system/src/main/resources/mapper/business/ScheduleConfigMapper.xml

@@ -98,7 +98,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             a.enabled,
             a.id config_id,
             a.template_id,
-            a.id, b.name, b.start_time, b.end_time,b.game_type, b.starting_chips, b.level_duration, b.late_registration_level, b.max_players, b.status, b.created_at, b.updated_at,b.sign_time,b.competition_icon,b.tournaments_bi_id
+            a.id, b.name, b.start_time, b.end_time,b.game_type, b.starting_chips, b.level_duration, b.late_registration_level, b.max_players, b.status, a.created_at, b.updated_at,b.sign_time,b.competition_icon,b.tournaments_bi_id
         from schedule_config a  inner join  tournaments_template  b   on a.template_id=b.id
     </select>