diff --git a/LCD7H-show b/LCD7H-show
index 92e69a8..e247091 100755
--- a/LCD7H-show
+++ b/LCD7H-show
@@ -2,13 +2,16 @@
 
 sudo ./system_backup.sh
 
-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_force_edid_audio=1" >> ./boot/config.txt.bak
 sudo echo "dtparam=i2c_arm=on" >> ./boot/config.txt.bak
 sudo echo "dtparam=spi=on" >> ./boot/config.txt.bak