SELECT as1.id,
as1.customer_id,
as1.contract_id,
as1.contract_ids,
as1.code,
as1.type,
as1.remark,
as1.reason,
as1.amount,
as1.duty_party,
as1.contact_name,
as1.contact_tel,
as1.account_bank,
as1.account_name,
as1.account_number,
as1.`status`,
as1.flow_id,
as1.create_user,
as1.create_time,
as1.update_user,
as1.update_time,
c.`code` as contractCode
FROM after_sales as1
left join contract c on c.id = as1.contract_id