diff --git a/web/i18n/language.ts b/web/i18n/language.ts
index c2e23cc19a..fde69328bd 100644
--- a/web/i18n/language.ts
+++ b/web/i18n/language.ts
@@ -31,8 +31,10 @@ export const languages = data.languages
 export const LanguagesSupported = languages.filter(item => item.supported).map(item => item.value)
 
 export const getLanguage = (locale: string) => {
-  const supportedLocale = LanguagesSupported.find(lang => lang.startsWith(locale.split('-')[0]))
-  return (supportedLocale || LanguagesSupported[0]).replace('-', '_')
+  if (locale === 'zh-Hans')
+    return locale.replace('-', '_')
+
+  return LanguagesSupported[0].replace('-', '_')
 }
 
 export const NOTICE_I18N = {