+if [ $ret -eq 0 ]; then
+ for i in $(ls $VTOY_PATH/INSTALL/grub/menu); do
+ echo "check INSTALL/grub/menu/$i ..."
+ ./checkjson $VTOY_PATH/INSTALL/grub/menu/$i
+ ret=$?
+ if [ $ret -ne 0 ]; then
+ echo "INSTALL/grub/menu/$i invalid json format"
+ break
+ fi
+ done
+else
+ echo "languages.json invalid json format"
+fi