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    </div>
    <div class='section' id='section-11'>
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            <div class='section-link'>
                <a href='#section-11'>#</a>
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            <h2>配置</h2>
<p>当我们开始实验时，默认配置可以而且将会被覆盖</p>

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        <div class='code'>
            <div class="highlight"><pre><span class="lineno">54</span><span class="k">class</span> <span class="nc">Configs</span><span class="p">(</span><span class=