Retrofit retrofit = new Retrofit.Builder()
            .baseUrl(BaseApplication.HEAD_URL)
            .client(client)
            .addConverterFactory(GsonConverterFactory.create())
            .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
            .build();

[
    {
        "type": "news",
        "id": "20170124013990",
        "column": "banner",
        "needUpdate": "0"
    },
    {
        "type": "news",
        "id": "20170124001763",
        "column": "banner",
        "needUpdate": "0"
    },
    {
        "type": "news",
        "id": "20170123019000",
        "column": "banner",
        "needUpdate": "0"
    },
    {
        "type": "news",
        "id": "20170123017746",
        "column": "banner",
        "needUpdate": "0"
    }
]

{
    "code": 0,
    "data": {
        "20170122": {
            "atype": "0",
            "isCollect": "-1"
    },
    "20170123": {
        "atype": "1",
        "isCollect": "-1"
    },
    "20170124": {
        "atype": "0",
        "isCollect": "-1"
    }
}