diff --git a/computer/pc-demo1/default.nix b/computer/pc-demo1/default.nix
index 520c252..0027986 100644
--- a/computer/pc-demo1/default.nix
+++ b/computer/pc-demo1/default.nix
@@ -5,11 +5,11 @@
 
   beancloud = {
     software = {
-      desktop = true;
+      desktop = false;
       nextcloud.server.enable = false;
-      gitlab = true;
-      forgejo = true;
-      splunk = true;
+      gitlab = false;
+      forgejo = false;
+      splunk = false;
     };
     disk.device.name = "vda";
     hardware.virtualmachine.type = "kvm";
diff --git a/slides/mkslides.yml b/slides/mkslides.yml
index fa8431d..493e5e5 100644
--- a/slides/mkslides.yml
+++ b/slides/mkslides.yml
@@ -2,8 +2,8 @@ slides:
   theme: dracula
   highlight_theme: nord
 revealjs:
-  height: 480
-  width: 640
+  height: 1024
+  width: 1280
   transition: slide
   center: true
 plugins: