select info.*,
com.id com_id,
com.company_name com_company_name,
com.company_adress com_company_adress,
com.company_account_bank com_company_account_bank,
com.legal_person_name com_legal_person_name,
com.legal_person_idcard com_legal_person_idcard,
com.legal_person_phone com_legal_person_phone,
cus.id cus_id,
cus.custom_name cus_custom_name ,
cus.custom_mobile cus_custom_mobile,
us.nick_name custom_manager_name
from ps_contract_info info
left join ps_company_info com on info.company_id = com.id
left join ps_custom_info cus on info.custom_id = cus.id
left join sys_user us on info.custom_manager = us.user_id