diff --git a/website/integrations/media/seafile/index.md b/website/integrations/media/seafile/index.md
index 2548b12776..b2a66b77bc 100644
--- a/website/integrations/media/seafile/index.md
+++ b/website/integrations/media/seafile/index.md
@@ -74,6 +74,13 @@ OAUTH_ATTRIBUTE_MAP = {
 # Optionally set the following variable to automatically redirect users to the login page
 LOGIN_URL = 'https://seafile.company/oauth/login/'
 
+# Enable client to open an external browser for single sign on
+# When it is false, the old builtin browser is opened for single sign on
+# When it is true, the default browser of the operation system is opened
+# The benefit of using system browser is that it can support hardware 2FA
+# Since 11.0.0, and sync client 9.0.5, drive client 3.0.8
+CLIENT_SSO_VIA_LOCAL_BROWSER = True   # default is False
+
 ```
 
 ## Configuration verification