              "margin": 8
            },
            "lineStyle": {
                "show": true,
                "width": 1,
                "opacity": 1,
                "curveness": 0,
                "type": "solid"
            },
            "roam": true,
            "draggable": false,
            "focusNodeAdjacency": true,
            "data": [
                {
                    "name": "\u7ed3\u70b91",
                    "fixed": false,
                    "symbolSize": 10
                },
  