diff --git a/nginx/sa.conf b/nginx/sa.conf
index f0cb923..56262ae 100644
--- a/nginx/sa.conf
+++ b/nginx/sa.conf
@@ -14,8 +14,8 @@
 server {
     listen 443 ssl default_server;
     listen [::]:443 ssl default_server;
-    ssl_certificate /etc/nginx/certs/live/miau.local/fullchain.pem;
-    ssl_certificate_key /etc/nginx/certs/live/miau.local/privkey.pem;
+    ssl_certificate /etc/nginx/certs/live/${SA_PUBLIC_DOMAIN_NAME}/fullchain.pem;
+    ssl_certificate_key /etc/nginx/certs/live/${SA_PUBLIC_DOMAIN_NAME}/privkey.pem;
     ssl_protocols TLSv1.3;
     ssl_prefer_server_ciphers on;
     #ssl_dhparam /etc/nginx/dhparam.pem;