diff --git a/nginx.conf b/nginx.conf
index 0cbe4e9..262415d 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -71,6 +71,18 @@ http {
         return 444;
     }
 
+    # 裸域名重定向：offerpai.com.cn → www.offerpai.com.cn
+    server {
+        listen 443 ssl;
+        http2 on;
+        server_name offerpai.com.cn;
+
+        ssl_certificate /etc/nginx/ssl/offerpai.com.cn.crt;
+        ssl_certificate_key /etc/nginx/ssl/offerpai.com.cn.key;
+
+        return 301 https://www.offerpai.com.cn$request_uri;
+    }
+
     # OfferPie 前端
     # www.offerpai.com.cn → 10302
     server {