D:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN

tnsnames

ORCL =

  (DESCRIPTION =

    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.16.220)(PORT = 1521))

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = orcl)

    )

  )

237设置为oracle   wmsym