获取热门搜索关键词列表

{
    "code": 200,
    "message": "success",
    "data": {
        "list": [
            {
                "id": 1,
                "keyword": "旅游攻略"
            },
            {
                "id": 2,
                "keyword": "徒步"
            },
            {
                "id": 3,
                "keyword": "兼职"
            },
            {
                "id": 4,
                "keyword": "出行必备"
            }
        ]
    }
}