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'en' : DEFAULT_LANG; if (currentLang === 'en') return; var preferenceKey = getPostPreferenceKey(); var preferred = localStorage.getItem(preferenceKey); if (preferred === DEFAULT_LANG) return; var englishOption = options.find(function (option) { return option.value === 'en' && !option.disabled; }); if (!englishOption) return; var target = normalizePath(englishOption.getAttribute('data-href')); if (target === currentPath) return; var exists = await checkPathExists(target); if (!exists) return; localStorage.setItem(preferenceKey, 'en'); window.location.replace(target); } function bindLangPreference() { var selector = document.querySelector('.lang-select'); if (!selector || selector.dataset.preferenceBound === '1') return; selector.dataset.preferenceBound = '1'; selector.addEventListener('change', function () { var selected = selector.options[selector.selectedIndex]; if (!selected || selected.disabled || selected.hidden) return; localStorage.setItem(getPostPreferenceKey(), selector.value); }, true); } async function applyBilingualFixes() { normalizeLangSwitcher(); dedupeBilingualList(); placeLangSwitcherInSidebar(); await filterUnavailableLanguageOptions(); bindLangPreference(); await redirectToEnglishByDefault(); } document.addEventListener('DOMContentLoaded', function () { applyBilingualFixes(); }); document.addEventListener('pjax:success', function () { applyBilingualFixes(); }); })();</script><script type=application/ld+json> { "@context": "https://schema.org", "@type": "WebSite", "name": "Liangchao Wu's Blog", "alternateName": "吴良超的学习笔记", "url": "https://wulc.me", "description": "Personal blog about machine learning, technology and life insights", "author": { "@type": "Person", "name": "Liangchao Wu", "alternateName": "吴良超", "url": "https://wulc.me", "sameAs": [ "https://github.com/WuLC", "https://www.linkedin.com/in/wuliangchao/" ] } } </script>