diff --git a/modules/nixos/tmpsys.nix b/modules/nixos/tmpsys.nix
index 71dde28..aba6fa5 100644
--- a/modules/nixos/tmpsys.nix
+++ b/modules/nixos/tmpsys.nix
@@ -19,7 +19,7 @@
 
    # 将 /nix 目录绑定到持久化存储
   fileSystems."/nix" = {
-    device = "/dev/disk/by-label/nixos-persistent";  # 需要根据实际情况修改
+    device = "/dev/disk/by-label/nixos";  # 需要根据实际情况修改
     fsType = "btrfs";
         options = [ "bind" ];