diff --git a/home-apps/chuanhuchatgpt.yaml b/home-apps/chuanhuchatgpt.yaml
index ff34760..5b66a36 100644
--- a/home-apps/chuanhuchatgpt.yaml
+++ b/home-apps/chuanhuchatgpt.yaml
@@ -73,7 +73,6 @@ metadata:
     kubernetes.io/ingress.class: "nginx"
     kubernetes.io/tls-acme: "true"
     cert-manager.io/cluster-issuer: "letsencrypt-prod"
-    nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
     nginx.ingress.kubernetes.io/auth-url: "https://id.junv.me/oauth2/auth"
     nginx.ingress.kubernetes.io/auth-signin: "https://id.junv.me/oauth2/start?rd=https%3A%2F%2F$host$request_uri"
 spec: