diff --git a/devices/hi3518ev200_lite_switcam-hs303-v2/general/overlay/usr/share/openipc/customizer.sh b/devices/hi3518ev200_lite_switcam-hs303-v2/general/overlay/usr/share/openipc/customizer.sh
index 4014b6f..aeac7b8 100644
--- a/devices/hi3518ev200_lite_switcam-hs303-v2/general/overlay/usr/share/openipc/customizer.sh
+++ b/devices/hi3518ev200_lite_switcam-hs303-v2/general/overlay/usr/share/openipc/customizer.sh
@@ -11,6 +11,7 @@ fw_setenv upgrade 'https://github.com/OpenIPC/builder/releases/download/latest/h
 #
 cli -s .isp.blkCnt 5
 cli -s .nightMode.irCutPin1 2
+cli -s .nightMode.backlightPin 56
 cli -s .nightMode.lightMonitor true
 cli -s .nightMode.lightSensorPin 62
 cli -s .nightMode.lightSensorInvert true