select
    CONCAT("update rd_employee_summary set ",
           IFNULL(	(select
                           CONCAT("security_station_id='",b.ITEM_ATTENDANCESITEID,"', security_station_name='",xx.ITEM_ATTENDANCESITENAME,"'")
                       from  baibaodunflow.tlk_attendance_site_person_info b
                                 join baibaodunflow.tlk_attendance_site_base_info xx on xx.ID=b.ITEM_ATTENDANCESITEID where b.ITEM_SECURITYID=t.tenant_employee_id limit 1),
  (select 
	  CONCAT("security_station_id='",b.ITEM_ATTENDANCESITEID,"', security_station_name='",xx.ITEM_ATTENDANCESITENAME,"'")
	from  baibaodunflow.tlk_attendance_site_person_info b 
join baibaodunflow.tlk_attendance_site_base_info xx on xx.ID=b.ITEM_ATTENDANCESITEID limit 1)
),

           " where pk_id=",pk_id,";"
        )
from rd_employee_summary t
where security_station_id is null limit 100;

select
    CONCAT("update rd_employee_summary set idCard_no='",
           (select number from obpm2.tenant_user_credentials y where y.tenant_user_id=x.tenant_user_id and y.credential_type=0 limit 1),"' where pk_id=",pk_id,";")
from rd_employee_summary x where idCard_no is  null;