Embedding error - Githubissues

Hi, I have a question, when I use China's network to open the following HTML, it cannot display properly. But when I use the USA's network to open the following HTML, it can display normally. Why is this?
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
    <meta name="theme-color" content="#000000" />
    <title>WashU Epigenome Browser</title>
    <link
        rel="stylesheet"
        href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
        integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
        crossorigin="anonymous"
    />
    <script src="https://aframe.io/releases/0.8.0/aframe.min.js"></script>
    <script
        src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
        integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
        crossorigin="anonymous"
    ></script>
    <script
        src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
        integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
        crossorigin="anonymous"
    ></script>
    <script
        src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
        integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
        crossorigin="anonymous"
    ></script>
    <script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
    <script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
    <script crossorigin src="https://cdn.plot.ly/plotly-cartesian-latest.min.js"></script>
    <script crossorigin src="https://unpkg.com/react-plotly.js@2.3.0/dist/create-plotly-component.min.js"></script>
    <!-- the browser script and styles -->
    <script src="https://unpkg.com/epgg@53.6.0/umd/epgg.js"></script>
    <link rel="stylesheet" href="https://unpkg.com/epgg@53.6.0/umd/epgg.css" />
</head>

<body>
    <noscript> You need to enable JavaScript to run this app. </noscript>
    <h1>Embedding test</h1>
    <div id="embed" style="width: 1000px"></div>
    <h2>some other headings</h2>

    <script>
        const container = document.getElementById("embed");
        const contents = {
            genomeName: "mm10",
            displayRegion: "chr5:51997494-52853744",
            trackLegendWidth: 120,
            isShowingNavigator: true,
            tracks: [
                {
                    type: "geneannotation",
                    name: "refGene",
                    genome: "mm10",
                },
                {
                    type: "geneannotation",
                    name: "gencodeM19Basic",
                    genome: "mm10",
                },
                {
                    type: "ruler",
                    name: "Ruler",
                },
                {
                    type: "bigWig",
                    name: "ChipSeq of Heart",
                    url: "https://www.encodeproject.org/files/ENCFF641FBI/@@download/ENCFF641FBI.bigWig",
                    options: { color: "red" },
                    metadata: { Sample: "Heart" },
                },
                {
                    type: "bigWig",
                    name: "ChipSeq of Liver",
                    url: "https://www.encodeproject.org/files/ENCFF555LBI/@@download/ENCFF555LBI.bigWig",
                    options: { color: "blue" },
                    metadata: { Sample: "Liver" },
                },
                {
                    type: "bedGraph",
                    name: "test",
                    url: "https://wangftp.wustl.edu/~rsears/Stuart_Little/RNA_083018/WangT_7176-5_ALDH_STRANDED_Signal.Unique.combo.out.bg.gz",
                },
            ],
            metadataTerms: ["Sample"],
            regionSets: [],
            regionSetViewIndex: -1,
        };
        renderBrowserInElement(contents, container);
        </script>
    </body>
</html>
lidaof / eg-react

Embedding error #342
