diff --git a/plugins/openresty/conf/nginx.conf b/plugins/openresty/conf/nginx.conf
index b7e31b14d..a44d432db 100644
--- a/plugins/openresty/conf/nginx.conf
+++ b/plugins/openresty/conf/nginx.conf
@@ -21,6 +21,10 @@ http
 
     default_type  application/octet-stream;
 
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for" "$request_time"';
+
     server_names_hash_bucket_size 512;
     client_header_buffer_size 32k;
     large_client_header_buffers 4 32k;