diff --git a/docs/notes/xxx.md b/docs/notes/xxx.md
deleted file mode 100644
index 7803c21..0000000
--- a/docs/notes/xxx.md
+++ /dev/null
@@ -1,13 +0,0 @@
-```
-sudo rm -f /etc/machine-id
-sudo rm -f /var/lib/dbus/machine-id
-sudo systemd-machine-id-setup
-```
-change to unactive.
-
-```
-sudo rm -f /etc/machine-id
-sudo dbus-uuidgen -ensure=/etc.machine-id
-sudo rm -f /var/lib/dbus/machine-id
-sudo dbus-uuidgen -ensure
-```