diff --git a/crawler.py b/crawler.py
index 404949e..f71ebc9 100644
--- a/crawler.py
+++ b/crawler.py
@@ -934,10 +934,19 @@ def login_loadsavecookie():
     username = url.split("/")[-1]
     return driver, username
 
-def zhihu():
-    # #crawl articles links
+def downloaddriver():
+    url = "https://msedgedriver.azureedge.net/116.0.1938.62/edgedriver_win64.zip"
     if not os.path.exists(driverpath):
-        response = requests.get("https://msedgedriver.azureedge.net/114.0.1823.67/edgedriver_win64.zip")
+        ret = requests.get("https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver/")
+        ret = BeautifulSoup(ret.content, 'html.parser')
+        ddl = ret.find_all('a', class_='driver-download__link')
+        for k in ddl:
+            key = k.attrs.keys()
+            href = k.attrs['href']
+            if 'href' in key and "win64" in href:
+                url = href
+                break
+        response = requests.get(url)
         if response.status_code==200:
             with open(os.path.join(abspath, 'msedgedriver/edgedriver.zip'), 'wb') as obj:
                 obj.write(response.content)
@@ -958,7 +967,15 @@ def zhihu():
                 if kk < 0:
                     break
 
-    driver, username = login_loadsavecookie()
+def zhihu():
+    # #crawl articles links
+    try:
+        downloaddriver()
+        driver, username = login_loadsavecookie()
+    except Exception as e:
+        os.remove(os.path.join(abspath, 'msedgedriver', "msedgedriver.exe"))
+        downloaddriver()
+        driver, username = login_loadsavecookie()
     
     # #crawl think links
     if crawl_think: