oracle plsqldevelope无法登录 12514错误但是sqlplus可以登录

配置文件如下
# listener.ora Network Configuration File: c:\oracle\product\10.2.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
  (SID_DESC =
  (SID_NAME = PLSExtProc)
  (ORACLE_HOME = c:\oracle\product\10.2.0\db_1)
  (PROGRAM = extproc)
  )
  )

LISTENER =
  (DESCRIPTION_LIST =
  (DESCRIPTION =
  (ADDRESS = (PROTOCOL = TCP)(HOST = 2011-20111022NM)(PORT = 1521))
  (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
  )
  )



# tnsnames.ora Network Configuration File: c:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
  )
  (CONNECT_DATA =
  (SID = PLSExtProc)
  (PRESENTATION = RO)
  )
  )

ABC =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = TCP)(HOST = 172.30.34.83)(PORT = 1521))
  )
  (CONNECT_DATA =
  (SERVICE_NAME = orcl)
  )
  )

在线求指导

这是我的在电脑服务里面的服务名：OracleServiceORACLELCH、OracleOraDb10g_home1TNSListener