diff --git a/DPI5_7_800_480-show b/DPI5_7_800_480-show
index 89bb94e..c5289aa 100755
--- a/DPI5_7_800_480-show
+++ b/DPI5_7_800_480-show
@@ -2,8 +2,8 @@
 
 sudo ./system_backup.sh
 
-sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
-
+#sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
+source ./system_config.sh
 sudo echo "dtoverlay=qddpi18" >> ./boot/config.txt.bak
 sudo echo "enable_dpi_lcd=1" >> ./boot/config.txt.bak
 sudo echo "display_default_lcd=1" >> ./boot/config.txt.bak