.

components/utility/home-redirector.tsx

@@ -4,13 +4,6 @@ import { useEffect } from 'react'
 import { useRouter } from 'next/navigation'
 import i18nConfig from '@/i18nConfig'
 
-
-
-const isValidLocale = (locale: string): locale is (typeof i18nConfig.locales)[number] => {
-  return (i18nConfig.locales as readonly string[]).includes(locale)
-}
-
-
 export default function HomeRedirector() {
   const router = useRouter()
 
@@ -18,15 +11,25 @@ export default function HomeRedirector() {
     const preferred = localStorage.getItem('preferred-language')
     const currentPath = window.location.pathname
 
+    console.log('[HomeRedirector] currentPath:', currentPath)
+    console.log('[HomeRedirector] preferred-language from storage:', preferred)
+
+    const isValidLocale = (lang: string) =>
+      (i18nConfig.locales as string[]).includes(lang)
+
+    // 若路径中已经有 locale 前缀，或 preferred 为空 / 非法，跳过
     if (
       preferred &&
       isValidLocale(preferred) &&
-      !currentPath.startsWith(`/${preferred}/`)
+      !currentPath.startsWith(`/${preferred}/`) &&
+      !i18nConfig.locales.some(locale => currentPath.startsWith(`/${locale}/`))
     ) {
       const newPath = `/${preferred}${currentPath}`
+      console.log('[HomeRedirector] Redirecting to:', newPath)
       router.replace(newPath)
+    } else {
+      console.log('[HomeRedirector] No redirection triggered')
     }
-
   }, [])
 
   return null