diff --git a/README.md b/README.md
index d78cfc3..b6a43a5 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 GatewayClient
 =================
+`composer install`
+
 `composer require workerman/gatewayclient`
 
 ```php