id,nickname,avatar, user_id,receptionist,duty_customer_id select c.id as id, f.id as avatar, f.url as avatarUrl, c.nickname as nickname, u.name as username, u.id as userId, c.department_id as departmentId, c.receptionist as receptionist, c.receptionist_id as receptionistId, swc.nickname as dutyCustomer from sys_wechat_customer c left join sys_user u on u.id = c.user_id left join ins_upload_files f on f.id = c.avatar left join sys_wechat_customer swc on swc.id = c.duty_customer_id where c.nickname = #{nickname} order by c.id