SELECT d.id,
d.user_name,
d.sex,
d.phone,
d.sign_date,
d.user_id,
d.park_id,
d.act_id,
d.VERSION,
d.delete_flag,
d.create_by,
d.create_time,
d.update_by,
d.update_time,
d.tenant_id,
a.name,
a.id AS aId
FROM ics_activity_detail AS d
LEFT JOIN ics_activity AS a ON a.id = d.act_id