diff --git a/hosts/msi-rtx4090/default.nix b/hosts/msi-rtx4090/default.nix
index c527848b..6ef125d2 100644
--- a/hosts/msi-rtx4090/default.nix
+++ b/hosts/msi-rtx4090/default.nix
@@ -33,7 +33,9 @@
     # proxy.noProxy = "127.0.0.1,localhost,internal.domain";
 
     networkmanager.enable = true;
-    interfaces.ens18 = {
+
+    enableIPv6 = false;  # disable ipv6
+    interfaces.enp5s0 = {
       useDHCP = false;
       ipv4.addresses = [ {
         address = "192.168.5.66";
@@ -41,6 +43,10 @@
       } ];
     };
     defaultGateway = "192.168.5.201";
+    nameservers = [
+      "119.29.29.29"  # DNSPod
+      "223.5.5.5"     # AliDNS
+    ];
   };
 
 
diff --git a/hosts/msi-rtx4090/hardware-configuration.nix b/hosts/msi-rtx4090/hardware-configuration.nix
index 5bbe9771..7cad98f7 100644
--- a/hosts/msi-rtx4090/hardware-configuration.nix
+++ b/hosts/msi-rtx4090/hardware-configuration.nix
@@ -8,23 +8,24 @@
     [ (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "uas" "usb_storage" "sd_mod" ];
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/9730ef67-577c-4dc9-8563-f431c1cf25fb";
-      fsType = "ext4";
+    { device = "/dev/disk/by-uuid/231466f6-cdf3-40e1-b9d2-6b4e8d10a4d3";
+      fsType = "btrfs";
+      options = [ "subvol=@" ];
     };
 
   fileSystems."/boot/efi" =
-    { device = "/dev/disk/by-uuid/8DA9-86FF";
+    { device = "/dev/disk/by-uuid/87ED-8B2E";
       fsType = "vfat";
     };
 
   swapDevices =
-    [ { device = "/dev/disk/by-uuid/5364261a-3ecc-4754-b114-ff44c529627e"; }
+    [ { device = "/dev/disk/by-uuid/17391ca0-8cdb-4598-a40b-fd9548fd9b37"; }
     ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking