diff --git a/docs/.vitepress/theme/index.ts b/docs/.vitepress/theme/index.ts
index 7e0aafa..3baf667 100644
--- a/docs/.vitepress/theme/index.ts
+++ b/docs/.vitepress/theme/index.ts
@@ -1,6 +1,42 @@
 import DefaultTheme from 'vitepress/theme'
 import type { Theme } from 'vitepress'
 
+const EN_BASE = '/en/'
+const DOC_PREFIX = '/doc/'
+const EN_HTML_SUFFIX = '.en.html'
+const HTML_EXT = '.html'
+
 export default {
-  extends: DefaultTheme
+  extends: DefaultTheme,
+  enhanceApp({ siteData }) {
+    if (typeof window === 'undefined') return
+
+    const { pathname, search, hash } = window.location
+    const cleanUrls = !!siteData?.value?.cleanUrls
+    const enLink = siteData?.value?.locales?.en?.link || EN_BASE
+    const enBase = enLink.endsWith('/') ? enLink : `${enLink}/`
+
+    let target: string | null = null
+    if (pathname === '/index.en.html') {
+      target = enBase
+    } else if (pathname.startsWith(DOC_PREFIX)) {
+      const rest = pathname.slice(DOC_PREFIX.length)
+      if (!rest) {
+        target = '/'
+      } else if (rest.endsWith(EN_HTML_SUFFIX)) {
+        target = `${enBase}${rest.slice(0, -EN_HTML_SUFFIX.length)}${cleanUrls ? "" : HTML_EXT}`
+      } else if (cleanUrls && rest.endsWith(HTML_EXT)) {
+        target = `/${rest.slice(0, -HTML_EXT.length)}` // Apply clean URLs
+      } else {
+        target = `/${rest}`
+      }
+    } else {
+      return
+    }
+
+    const resolved = new URL(target + search + hash, window.location.origin)
+    if (resolved.href !== window.location.href) {
+      window.location.replace(resolved.href)
+    }
+  }
 } satisfies Theme
diff --git a/docs/esa.js b/docs/esa.js
index 1338d16..2549fe6 100644
--- a/docs/esa.js
+++ b/docs/esa.js
@@ -193,47 +193,7 @@ async function handleRequest(request) {
     return handleRelease(version, binaryFile);
   }
   
-  // No match found - return 404.html page (avoid infinite loop by not fetching if already requesting 404.html)
-  // 未匹配任何URL模式 - 返回404.html页面（避免无限循环，如果已经在请求404.html则不再获取）
-  if (path !== '/404.html') {
-    // 缓存key使用HTTP协议 (Cache key uses HTTP protocol)
-    const notFoundUrl = 'http://ddns.newfuture.cc/404.html';
-    
-    // 尝试从缓存获取 (Try to get from cache first)
-    const cachedResponse = await cache.get(notFoundUrl);
-    if (cachedResponse) {
-      return cachedResponse;
-    }
-    
-    try {
-      const notFoundResponse = await fetch(notFoundUrl, { redirect: 'follow' });
-      
-      if (notFoundResponse.ok) {
-        // Return 404.html with 404 status code and appropriate headers
-        const headers = new Headers();
-        // Ensure correct content type for HTML 404 page
-        headers.set('Content-Type', 'text/html; charset=utf-8');
-        headers.set('Cache-Control', 'public, max-age=21600'); // Cache 404 page for 6 hours
-        
-        const finalResponse = new Response(notFoundResponse.body, {
-          status: 404,
-          statusText: 'Not Found',
-          headers: headers
-        });
-        
-        // 先缓存再返回 (Cache first then return)
-        cache.put(notFoundUrl, finalResponse.clone()).catch(err => {
-          console.log(`Failed to cache 404 response for ${notFoundUrl}:`, err);
-        });
-        
-        return finalResponse;
-      }
-    } catch (err) {
-      console.log('Failed to fetch 404.html:', err);
-    }
-  }
-  
-  // Fallback if 404.html is not available
+  // No match found - return 404 directly
   return new Response('Not Found', {
     status: 404,
     headers: { 'Content-Type': 'text/plain' }
diff --git a/docs/esa.jsonc b/docs/esa.jsonc
new file mode 100644
index 0000000..5d4d74f
--- /dev/null
+++ b/docs/esa.jsonc
@@ -0,0 +1,10 @@
+{
+  "name": "ddns",
+  "entry": "esa.js",
+  "installCommand": "npm install",
+  "buildCommand": "npm run build",
+  "assets": {
+    "directory": ".vitepress/dist",
+    "notFoundStrategy": "404Page"
+  }
+}