diff --git a/README.md b/README.md
index 48a177b..0629e21 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,8 @@
 
 Define a system base iStoreOS by yourself.
 
+## usage
+
+* ./runmynas.sh x86_64
+* ./runmynas.sh rk35xx
+