diff --git a/menu/menu b/menu/menu
index ebd2dd0..156597b 100644
--- a/menu/menu
+++ b/menu/menu
@@ -54,7 +54,7 @@ done
 exit 0
 EOF
 #
-variable23=$(grep "EMQ-VER:" /opt/emq-ver | grep -Eo '[A.0-9]{1,9}')
+variable22=$(grep "EMQ-VER:" /opt/emq-ver | grep -Eo '[A.0-9]{1,9}')
 sudo sed -i "s/R00ab/$variable22/g"  /bin/menu
 ln -s /bin/menu /bin/MENU
 chmod +x /bin/menu*