bar-btn" id="themeToggle" title="切换主题">
                <span class="material-icons" id="themeIcon">dark_mode</span>
            </button>
            <button class="top-bar-btn" id="calculatorBtn" title="计算器">
                <span class="material-icons">calculate</span>
            </button>
            <button class="top-bar-btn" title="GitHub" onclick="window.open('https://github.com/YuleBest/xiaomi-bl-unlock-helper', '_blank')">
                <span class="material-icons">code</span>
   