select * from ( select c.chat_conversation_id as chatConversationId,c.update_time as updateTime, u1.user_id as userId,u1.user_name as userName,u1.avatar,u2.user_id as byUserId,u2.user_name as byUserName,u2.avatar as byAvatar, (select content from chat_content cc where cc.chat_conversation_id=c.chat_conversation_id order by cc.create_time desc limit 1) as content, (select create_time from chat_content cc where cc.chat_conversation_id=c.chat_conversation_id order by cc.create_time desc limit 1) as messageTime, (select message_type from chat_content cc where cc.chat_conversation_id=c.chat_conversation_id order by cc.create_time desc limit 1) as messageType, (select count(*) from chat_content cc where cc.chat_conversation_id=c.chat_conversation_id and user_id!=#{userId} and status=0) as contentCount from chat_conversation c left join tb_user u1 on u1.user_id=c.user_id left join tb_user u2 on u2.user_id=c.focused_user_id where 1=1 and (c.user_id=#{userId} or c.focused_user_id=#{userId}) and (u1.nick_name like CONCAT('%',#{nickName},'%') or u2.nick_name like CONCAT('%',#{nickName},'%') ) ) a order by messageTime desc INSERT INTO chat_conversation user_id, focused_user_id, status, create_time, update_time, remark #{userId}, #{focusedUserId}, #{status}, #{createTime}, #{updateTime}, #{remark}