id, name, project_id, company_id, code, status SELECT a.id, IFNULL(a.name,'未分配') AS name, SUM(b.working_time) AS cost, SUM(b.cost) AS costMoney FROM report AS b LEFT JOIN sub_project AS a ON b.sub_project_id = a.id WHERE b.project_id = #{projectId} AND b.create_date between #{startDate} and #{endDate} AND b.state = 1 GROUP BY IFNULL(a.id,0) ORDER BY IFNULL(a.id,0) ASC