例如这种，好几个 html 需要都写，如何使用外部引用？
<meta content="#6196B3" name="theme-color"> <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">This topic created in 2768 days ago, the information mentioned may be changed or developed.
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CallMeReznov Jan 7, 2019
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beastk Jan 8, 2019 via iPhone
我怎么记得 meta 只能渲染第一次的结果，后面用 js 是改写不成功的？
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