diff --git a/cfg/ngx/wa.fo.conf b/cfg/ngx/wa.fo.conf
index abfbb20..4dedb76 100644
--- a/cfg/ngx/wa.fo.conf
+++ b/cfg/ngx/wa.fo.conf
@@ -53,6 +53,11 @@ server {
         error_page 404 = @myownredirect;
     }
 
+    # access to certain files
+    location ~ ^/(robots.txt) {
+
+    }
+
     # /dbg/shortcode | debug mode
     location ~ ^/dbg/(\w+) {
         default_type  application/json;