OceanBase数据库这个是什么问题呢？

"OceanBase数据库有个问题，我调用oms的api（/api/v2?Action=CreateOceanBaseDataSource）来创建数据源，我的参数如下{
""name"":""OceanBase 数据源测试"",
""tenant"":""test"",
""cluster"":""obcluster"",
""ip"":""xxxx"",
""port"":2883,
""userName"":""root"",
""password"":""xxxxxxx"",
""region"":""default""
}
返回报错{
""success"": false,
""errorDetail"": null,
""code"": ""PARAM_ERROR"",
""message"": ""type must not be blank"",
""advice"": null,
""requestId"": ""7bbaa266-fe7e-42d6-8c2b-4657e93c9b26"",
""pageNumber"": null,
""pageSize"": null,
""totalCount"": null,
""cost"": null,
""data"": null
}，这个是什么问题呢，oceanbase版本4.2.1.4，oms版本4.2.2"