"top": "top",
        "feature": {
            "saveAsImage": {
                "pixel_ratio": 2
            },
            "dataZoom": {
                "yAxisIndex": "none"
            },
            "restore": {},
            "magicType": {
                "show": true,
                "type": [
                    "line",
                    "bar",
                    "stack",
                    "tiled"
                ]
            },
            "dataView": {}
        }
    }
};
