diff --git a/LCD55-show b/LCD55-show
index bda5279..78ee707 100755
--- a/LCD55-show
+++ b/LCD55-show
@@ -9,6 +9,7 @@ else
 sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
 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
 sudo echo "enable_uart=1" >> ./boot/config.txt.bak