diff --git a/public/functions/_worker.js b/public/functions/_worker.js
new file mode 100644
index 0000000..475253c
--- /dev/null
+++ b/public/functions/_worker.js
@@ -0,0 +1,14 @@
+export default {
+  async fetch(request, env) {
+    const url = new URL(request.url)
+
+    // 重定向到子站点
+    if (url.pathname.startsWith('/pro-example')) {
+      url.hostname = 'fantastic-mobile-pro-example.pages.dev'
+      return fetch(url.toString(), request)
+    }
+
+    // 其他路径处理
+    return env.ASSETS.fetch(request)
+  },
+}