diff --git a/huixiangdou/service/web_search.py b/huixiangdou/service/web_search.py
index a0b79680..dd636929 100644
--- a/huixiangdou/service/web_search.py
+++ b/huixiangdou/service/web_search.py
@@ -7,7 +7,7 @@
 import time
 import types
 
-import nest_asyncio
+# import nest_asyncio
 import pytoml
 import requests
 from bs4 import BeautifulSoup as BS
@@ -18,33 +18,33 @@
 from ..primitive import FileOperation
 from .helper import check_str_useful
 
-import_pyppeteer = False
-try:
-    from pyppeteer import launch
-    import_pyppeteer = True
-except Exception as e:
-    # Fix ldd ~/.local/share/pyppeteer/local-chromium/1181205/chrome-linux/chrome | grep not
-    # apt install libgbm-dev
-    # See https://techoverflow.net/2020/09/29/how-to-fix-pyppeteer-pyppeteer-errors-browsererror-browser-closed-unexpectedly/
-    logger.warning(
-        'For better URL parsing, try `pip install pyppeteer` and see https://github.com/pyppeteer/pyppeteer/issues/442'
-    )
-
-
-async def fetch_chroumium_content(url):
-    browser = await launch(headless=True,
-                           args=[
-                               '--no-sandbox', '--disable-dev-shm-usage',
-                               '--disable-gpu',
-                               '--disable-software-rasterizer',
-                               '--disable-setuid-sandbox'
-                           ])
-    page = await browser.newPage()
-    await page.goto(url)
-    time.sleep(1)
-    content = await page.evaluate('document.body.innerText', force_expr=True)
-    await browser.close()
-    return content
+# import_pyppeteer = False
+# try:
+#     from pyppeteer import launch
+#     import_pyppeteer = True
+# except Exception as e:
+#     # Fix ldd ~/.local/share/pyppeteer/local-chromium/1181205/chrome-linux/chrome | grep not
+#     # apt install libgbm-dev
+#     # See https://techoverflow.net/2020/09/29/how-to-fix-pyppeteer-pyppeteer-errors-browsererror-browser-closed-unexpectedly/
+#     logger.warning(
+#         'For better URL parsing, try `pip install pyppeteer` and see https://github.com/pyppeteer/pyppeteer/issues/442'
+#     )
+
+
+# async def fetch_chroumium_content(url):
+#     browser = await launch(headless=True,
+#                            args=[
+#                                '--no-sandbox', '--disable-dev-shm-usage',
+#                                '--disable-gpu',
+#                                '--disable-software-rasterizer',
+#                                '--disable-setuid-sandbox'
+#                            ])
+#     page = await browser.newPage()
+#     await page.goto(url)
+#     time.sleep(1)
+#     content = await page.evaluate('document.body.innerText', force_expr=True)
+#     await browser.close()
+#     return content
 
 
 class Article:
@@ -138,12 +138,13 @@ def fetch_url(self, query: str, target_link: str, brief: str = ''):
             content = content.replace('  ', ' ')
 
             if not check_str_useful(content=content):
-                logger.info('retry with chromium {}'.format(target_link))
-                nest_asyncio.apply()
-                content = asyncio.get_event_loop().run_until_complete(
-                    fetch_chroumium_content(url=target_link))
-                if not check_str_useful(content=content):
-                    return None
+                return None
+                # logger.info('retry with chromium {}'.format(target_link))
+                # nest_asyncio.apply()
+                # content = asyncio.get_event_loop().run_until_complete(
+                #     fetch_chroumium_content(url=target_link))
+                # if not check_str_useful(content=content):
+                #     return None
 
             return Article(content=content, source=target_link, brief=brief)
         except Exception as e:
diff --git a/requirements.txt b/requirements.txt
index 6ba6e5f7..44dc7241 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,6 @@ einops
 faiss-gpu
 loguru
 lxml_html_clean
-nest_asyncio
 networkx>=3.0
 numpy<2.0.0
 openai>=1.0.0