diff --git a/files/etc/gl-switch.d/sim.sh b/files/etc/gl-switch.d/sim.sh
new file mode 100644
index 0000000..f06278f
--- /dev/null
+++ b/files/etc/gl-switch.d/sim.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+action=$1
+
+if [ "$action" = "on" ];then
+    echo "on" > /tmp/sim_change_switch
+
+elif [ "$action" = "off" ];then
+    echo "off" > /tmp/sim_change_switch
+else
+    echo "off" > /tmp/sim_change_switch
+fi
+sleep 1
+