refactor: optimize rss generation logic

src/pages/[lang]/atom.xml.ts

@@ -2,7 +2,6 @@ import type { APIContext } from 'astro'
 import { moreLocales } from '@/config'
 import { generateRSS } from '@/utils/rss'
 
-// Generate static paths for all supported languages
 export function getStaticPaths() {
   return moreLocales.map(lang => ({
     params: { lang },
@@ -11,14 +10,5 @@ export function getStaticPaths() {
 
 export async function GET({ params }: APIContext) {
   const lang = params.lang as typeof moreLocales[number]
-
-  // Return 404 if language is not supported
-  if (!moreLocales.includes(lang)) {
-    return new Response(null, {
-      status: 404,
-      statusText: 'Not found',
-    })
-  }
-
   return generateRSS({ lang })
 }