Ting Web UI

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<div class="loading-spin text-info" role="status">
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<div class="loading-spin text-success" role="status">
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<div class="loading-spin text-warning" role="status">
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<div class="loading-spin text-danger" role="status">
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<div class="loading-grow text-primary" role="status">
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<div class="loading-grow text-info" role="status">
    <span class="sr-only">加载中...</span>
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<div class="loading-grow text-success" role="status">
    <span class="sr-only">加载中...</span>
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<div class="loading-grow text-warning" role="status">
    <span class="sr-only">加载中...</span>
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<div class="loading-grow text-danger" role="status">
    <span class="sr-only">加载中...</span>
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