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            "text": "根节点",
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                "text": "二级节点",
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                    "text": "概要",
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                "isActive": false
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            "children": [{
                "data": {
                    "text": "分支主题",
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                "children": []
            }, {
                "data": {
                    "text": "分支主题",
                    "expand": true,
                    "isActive": false
                },
                "children": []
            }, {
                "data": {
                    "text": "<a href='http://lxqnsys.com/' target='_blank'>理想去年实验室</a>",
                    "richText": true
                },
                "children": []
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        }]
    },
    "theme": {
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        "state": {
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