diff --git a/VLESS-GRPC/README.md b/VLESS-GRPC/README.md
index 6d232f4..28fd262 100644
--- a/VLESS-GRPC/README.md
+++ b/VLESS-GRPC/README.md
@@ -24,6 +24,7 @@ server {
 			return 404;
 		}
 		client_max_body_size 0;
+		grpc_set_header X-Real-IP $proxy_add_x_forwarded_for;
 		client_body_timeout 1071906480m;
 		grpc_read_timeout 1071906480m;
 		grpc_pass grpc://127.0.0.1:2002;