id title content target institution_id status published_at created_at updated_at
1 测试公告 这是一条测试公告 all NULL draft NULL 2026-06-08 09:29:27 2026-06-08 09:29:27 Edit Delete
2 测试公告 测试内容 all NULL draft NULL 2026-06-08 09:33:34 2026-06-08 09:33:34 Edit Delete