diff --git a/deploy/chart/euler_copilot/configs/framework/config-authelia.toml b/deploy/chart/euler_copilot/configs/framework/config-authelia.toml
index 15eabed13943df7d619d1d981348ab145a37a926..a484ca4e0b63ea6cb061ed14568ceea3a7a372c2 100644
--- a/deploy/chart/euler_copilot/configs/framework/config-authelia.toml
+++ b/deploy/chart/euler_copilot/configs/framework/config-authelia.toml
@@ -40,7 +40,7 @@ response_mode = 'form_post'
 # OIDC 高级配置
 enable_pkce = true
 pkce_challenge_method = 'S256'
-token_endpoint_auth_method = 'client_secret_basic'
+token_endpoint_auth_method = 'client_secret_post'
 
 # 会话和令牌配置
 access_token_lifespan = '3600'  # 1小时