diff --git a/plugins/openresty/conf/nginx.conf b/plugins/openresty/conf/nginx.conf
index d03ddbdd2..403c248b8 100644
--- a/plugins/openresty/conf/nginx.conf
+++ b/plugins/openresty/conf/nginx.conf
@@ -32,6 +32,10 @@ http
     client_body_buffer_size 50m;
     client_max_body_size 50m;
 
+    # video big file opt
+    # aio threads;
+    directio 4m;
+    output_buffers 16 512k;
     sendfile   on;
     tcp_nopush on;
     tcp_nodelay on;