<script>
        document.addEventListener('keydown', function(event) {
            // 阻止 F12 键
            if (event.key === 'F12' || event.keyCode === 123) {
                event.preventDefault();
            }
            // 阻止 Ctrl + Shift + I 和 Ctrl + Shift + J
            if ((event.ctrlKey || event.metaKey) && (event.shiftKey && (event.key === 'I' || event.key === 'i' || event.key === 'J' || event.key === 'j'))) {
                event.preventDefault();
            }
        });
        document.addEventListener('contextmenu', function(event) {
            event.preventDefault(); // 阻止默认的右键菜单
        });
    </script>