diff --git a/document/content/docs/introduction/guide/admin/sso.mdx b/document/content/docs/introduction/guide/admin/sso.mdx
index 7e0cdb2c5..79a6749bb 100644
--- a/document/content/docs/introduction/guide/admin/sso.mdx
+++ b/document/content/docs/introduction/guide/admin/sso.mdx
@@ -383,6 +383,7 @@ fastgpt-sso:
     networks:
         - fastgpt
     environment:
+        - SSO_PROVIDER=oauth2
         # OAuth2.0
         # === 请求地址 ===
         # 1. OAuth2 登陆鉴权地址 (必填)