MP_ID, MP_MGUID, MP_MTitle, MC_VMRoomGUID, MC_VMRoomCode, MP_PtUnitID, MP_PtUnit, MP_ParticipantID, MP_Participant, MP_PersonType, MP_CreateDate, MP_UpdateDate, MP_Extension1, MP_Extension2, MP_Extension3, MP_Remark select a.MP_ParticipantID as userId, b.UI_HeadIconUrl as headIconUrl, b.UI_RealName as realName, a.MP_PersonType as personType from tc_t_m_participants as a left join sm_t_userinfo as b on a.MP_ParticipantID = b.UI_GUID where a.MP_MGUID = #{param1} and a.MC_VMRoomGUID = #{param2}