datax web采集oracle数据库，能连接无法使用的问题

{
  "job": {
    "setting": {
      "speed": {
        "channel": 3,
        "byte": 1048576
      },
      "errorLimit": {
        "record": 0,
        "percentage": 0.02
      }
    },
    "content": [
      {
        "reader": {
          "name": "oraclereader",
          "parameter": {
            "username": "abcd_HN",
            "password": "zg101@ny2010",
            "column": [
              "ZKBH",
              "ZKBGRQ"
            ],
            "splitPk": "",
            "connection": [
              {
                "jdbcUrl": [
                  "jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=129.81.5.16)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=CESHI)(INSTANCE_NAME=ZHONGGUO2)))"
                ],
                "table": [
                  "ZK_ZBJL"
                ]
              }
            ]
          }
        },
        "writer": {
          "name": "postgresqlwriter",
          "parameter": {
            "username": "postgres",
            "password": "123456",
            "column": [
              "zkbh",
              "zkbgrq"
            ],
            "connection": [
              {
                "table": [
                  "public.zk_zbjl_test"
                ],
                "jdbcUrl": "jdbc:postgresql://190.11.1.210:5432/EEEE"
              }
            ]
          }
        }
      }
    ]
  }
}

SELECT instance_name
FROM V$instance;