diff --git a/update/shutdown.sh b/update/shutdown.sh
new file mode 100644
index 0000000..7df5ed4
--- /dev/null
+++ b/update/shutdown.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# code=`cat /opt/wd/99-Temp/shutdown.txt`
+
+if [[ -f "/opt/wd/99-Temp/shutdown" ]]; then
+    poweroff
+fi
+
+