diff --git a/LCD154-show b/LCD154-show
index f2c49fa..4be9671 100755
--- a/LCD154-show
+++ b/LCD154-show
@@ -11,13 +11,16 @@ fi
 #sudo cp ./usr/mhs35-overlay.dtb /boot/overlays/
 #sudo cp ./usr/mhs35-overlay.dtb /boot/overlays/mhs35.dtbo
 
-root_dev=`grep -oPr "root=[^\s]*" /boot/cmdline.txt | awk -F= '{printf $NF}'`
-if test "$root_dev" = "/dev/mmcblk0p7";then
-sudo cp -rf ./boot/config-noobs-nomal.txt ./boot/config.txt.bak
-else
-sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
+#root_dev=`grep -oPr "root=[^\s]*" /boot/cmdline.txt | awk -F= '{printf $NF}'`
+#if test "$root_dev" = "/dev/mmcblk0p7";then
+#sudo cp -rf ./boot/config-noobs-nomal.txt ./boot/config.txt.bak
+#else
+#sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
+#sudo echo "hdmi_force_hotplug=1" >> ./boot/config.txt.bak
+#fi
+
+source ./system_config.sh
 sudo echo "hdmi_force_hotplug=1" >> ./boot/config.txt.bak
-fi
 sudo echo "hdmi_cvt 300 300 60 1 0 0 0" >> ./boot/config.txt.bak
 sudo echo "hdmi_group=2" >> ./boot/config.txt.bak
 sudo echo "hdmi_mode=1" >> ./boot/config.txt.bak