+if $GREP -q '^"$mount_handler"' /init; then
+ echo 'use mount_handler1 ...' >> $VTLOG
+ $SED "/^\"\$mount_handler\"/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/kaos/ventoy-disk.sh" -i /init
+elif $GREP -q '^$mount_handler' /init; then
+ echo 'use mount_handler2 ...' >> $VTLOG
+ $SED "/^\$mount_handler/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/kaos/ventoy-disk.sh" -i /init
+fi
+
+if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
+ $SED "1 aexport cow_label=vtoycow" -i /init
+fi