diff --git a/install.sh b/install.sh
index f9dbd20..c4370da 100755
--- a/install.sh
+++ b/install.sh
@@ -3,9 +3,10 @@
 BASEDIR=$(dirname $0)
 mkdir -p /usr/local/lib/zjunet
 cp -rf $BASEDIR /usr/local/lib/zjunet
+mkdir -p /usr/local/bin
 echo "#!/bin/sh" > /usr/local/bin/zjunet
 echo '/usr/local/lib/zjunet/zjunet.sh "$@"' >> /usr/local/bin/zjunet
 chmod +x /usr/local/bin/zjunet
 echo "[INFO] Done."
 echo
-zjunet
+zjunet usage