d3js bug need decode then decode

CSS

.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 1.5px;
}
svg{
    display:block
}

svg:nth-child(1){
    border:3px solid blue;
}
svg:nth-child(2){
    border:3px solid green;
}
.node {
  font: 10px sans-serif;
}

.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 1.5px;
}

JavaScript

var root2 = {
    "name": 0,
    "Supp": 0,
    "Int": "BOTTOM",
    "children": [
        {
            "name": 1,
            "Supp": 1,
            "LStab": 1,
            "UStab": 1,
            "Int": {
                "Count": 2,
                "Names": [
                    "http: //dblp.l3s.de/d2r/resource/publications/conf/bibm/BaiK11",
                    "http: //dblp.l3s.de/d2r/resource/publications/conf/cibcb/BaiK12"
                ]
            },
            "children": [
                {
                    "name": 4,
                    "Supp": 2,
                    "LStab": 0,
                    "UStab": 1,
                    "Int": {
                        "Count": 1,
                        "Names": [
                            "http: //swrc.ontoware.org/ontology#InProceedings"
                        ]
                    },
                    "children": [
                        {
                            "name": 2,
                            "Supp": 3,
                            "Int": {
                                "Count": 1,
                                "Names": [
                                    "http: //www.w3.org/2000/01/rdf-schema#Resource"
                                ]
                            }
                        }
                    ]
                }
            ]
        },
        {
            "name": 3,
            "Supp": 1,
            "LStab": 1,
            "UStab": 1,
            "Int": {
                "Count": 2,
                "Names": [
                    "http: //dblp.l3s.de/d2r/resource/publications/journals/bmcbi/XuZHZYRSSYGSDSBBCHLDSY09",
                    "http: //dblp.l3s.de/d2r/resource/publications/journals/bmcbi/CaiYTC11"
                ]
            },
            "children": [
                {
                    "name": 2,
                    "Supp": 3,
                    "Int": {
                        "Count": 1,
                        "Names": [
         ...