oracle 11g impdp导入dmp文件出现12154 无法解析指定的连接标识符

impdp 用户名/密码@sysdba schemas=用户名 directory=exp dumpfile=xxx.dmp logfile=imp.log 用的这样的命令，然后在网上找各种原因，把listener和tnsnames按照网上的帖子都改了，还是出现12154 无法解析指定的连接标识符这样的问题

这是listener
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = ORCL)
(ORACLE_HOME = D:\oracle\product\11.2.0\dbhome_1\bin)
(SID_NAME = ORCL)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
)
)

ADR_BASE_LISTENER = D:\oracle

这是tnsnames

LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))

ORACLR_CONNECTION_DATA =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))

)

(CONNECT_DATA =

(SID = CLRExtProc)

(PRESENTATION = RO)

)

)

ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

新手求大神指点，我搞了一天了，还没有解决。

http://www.cnblogs.com/wangsdragon/p/ORA-12154.html
这里有个跟你问题一样，你看看能不能解决