id,title,content,tpl_id tpl_code,create_by,create_time, update_by,update_time,is_delete SELECT sm.id, sm.title, sm.content, smt.id AS tplId, sm.tpl_code AS tplCode,sm.create_by as createBy,sm.create_time as createTime, sm.update_by as updateBy,sm.update_time as updateTime,sm.is_delete as isDelete,sm.system_code as systemCode, smu.user_id as userId, smu.is_read as isRead ,smt.type as tplType FROM sys_message_user smu LEFT JOIN sys_message sm on smu.message_id = sm.id LEFT JOIN sys_message_template smt on sm.tpl_code = smt.tpl_code and smt.type = #{param.type} ORDER BY sm.create_time DESC SELECT sm.id, sm.title, sm.content, sm.tpl_id AS tplId, sm.tpl_code AS tplCode,sm.create_by as createBy,sm.create_time as createTime, sm.update_by as updateBy,sm.update_time as updateTime,sm.is_delete as isDelete,sm.system_code as systemCode, smu.user_id as userId, smu.is_read as isRead ,smt.type as tplType FROM sys_message_user smu LEFT JOIN sys_message sm on smu.message_id = sm.id LEFT JOIN sys_message_template smt on sm.tpl_id = smt.id ORDER BY sm.create_time DESC