diff --git a/home/linux/gui/base/misc.nix b/home/linux/gui/base/misc.nix
index aac2dbe9..8bc53d25 100644
--- a/home/linux/gui/base/misc.nix
+++ b/home/linux/gui/base/misc.nix
@@ -20,10 +20,8 @@
     # my custom hardened packages
     pkgs.nixpaks.qq
     pkgs.nixpaks.qq-desktop-item
-
-    wechat-uos
-    # pkgs.nixpaks.wechat-uos
-    # pkgs.nixpaks.wechat-uos-desktop-item
+    # qqmusic
+    # wechat-uos
   ];
 
   # GitHub CLI tool
diff --git a/hosts/idols-ai/impermanence.nix b/hosts/idols-ai/impermanence.nix
index e5f0ee18..c0a9ad19 100644
--- a/hosts/idols-ai/impermanence.nix
+++ b/hosts/idols-ai/impermanence.nix
@@ -77,6 +77,7 @@
         ".config/pulse"
         ".pki"
         ".steam" # steam games
+        ".var" # flatpak app's data
 
         # cloud native
         {
diff --git a/modules/nixos/desktop/misc.nix b/modules/nixos/desktop/misc.nix
index cc9cbffa..13696fa9 100644
--- a/modules/nixos/desktop/misc.nix
+++ b/modules/nixos/desktop/misc.nix
@@ -5,6 +5,8 @@
   pkgs-unstable,
   ...
 }: {
+  services.flatpak.enable = true;
+
   # add user's shell into /etc/shells
   environment.shells = with pkgs; [
     bashInteractive