{
    "errcode": 0,
    "errmsg": "ok",
    "cata_list": [
        {
            "cata_id": "grid_id",
            "cata_name": "2222",
            "level": 1
        },
        {
            "cata_id": "grid_id",
            "cata_name": "2222",
            "level": 2,
            "parent_cata_id": "parent_cata_id"
        }
    ]
}
