diff --git a/src/index.mjs b/src/index.mjs
index 8bf2fa8..bc749b0 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -1,13 +1,7 @@
 import console from "console";
 import express from "express";
 import process from "process";
-import puppeteer from "puppeteer-core";
-import { fetch } from "undici";
-import {
-  asyncExpressMiddleware,
-  createCommonSearchAPI,
-  defaultUserAgent,
-} from "./utils.mjs";
+import { createCommonSearchAPI } from "./utils.mjs";
 
 if (process.env.PW_REMOTE_URL === undefined) {
   console.error("PW_REMOTE_URL is required");
@@ -18,56 +12,12 @@ const app = express();
 
 app.get(
   "/sogou",
-  asyncExpressMiddleware(async (req, res) => {
-    const { search } = req.query;
-    const browser = await puppeteer.connect({
-      browserWSEndpoint: process.env.PW_REMOTE_URL,
-    });
-    const page = await browser.newPage();
-    await page.setUserAgent(defaultUserAgent());
-    await page.goto(`https://www.sogou.com/web?query=${search}`, {
-      waitUntil: "networkidle0",
-      timeout: 30_000,
-      referer: "https://www.sogou.com/",
-    });
-    const results = await page.$(".results");
-    const cards = await results.$$(".vrwrap");
-
-    const refLinks = await Promise.all(
-      cards.map(async (card) => {
-        const item = await card.evaluate((node) => {
-          const linkEle = node.querySelector("h3 a");
-          if (!linkEle) return;
-          const link = linkEle.href;
-
-          // get text
-          const title = linkEle.innerText;
-          const description = node.querySelector(".space-txt")?.innerText;
-          const img = node.querySelector("img")?.src;
-          return {
-            title,
-            link,
-            description,
-            img,
-          };
-        });
-        if (!item?.link) return;
-        const res = await fetch(process.env.TF_URL + "/extract", {
-          method: "POST",
-          headers: {
-            "Content-Type": "application/json",
-            "User-Agent": defaultUserAgent(),
-          },
-          body: JSON.stringify({ url: item.link }),
-        });
-        if (!res.ok) return item;
-        const data = await res.json();
-        if (!data.text) return item;
-        return { ...item, text: data.text };
-      }),
-    );
-    await browser.close();
-    return res.json(refLinks.filter(Boolean));
+  createCommonSearchAPI({
+    urlPrefix: "https://www.sogou.com/web?query=",
+    resultsItemSelector: ".results .vrwrap",
+    titleSelector: "h3 a",
+    linkSelector: "h3 a",
+    descriptionSelector: ".space-txt",
   }),
 );
 
diff --git a/src/utils.mjs b/src/utils.mjs
index 62bf316..2436114 100644
--- a/src/utils.mjs
+++ b/src/utils.mjs
@@ -61,6 +61,10 @@ export function createCommonSearchAPI(options) {
           };
         }, options);
         if (!item?.link) return;
+        if (!process.env.TF_URL) {
+          console.warn("TF_URL is not set, skipping text extraction");
+          return item;
+        }
         const res = await fetch(process.env.TF_URL + "/extract", {
           method: "POST",
           headers: {