diff --git a/home/darwin/default.nix b/home/darwin/default.nix
index 2c6bd1b3..ae635910 100644
--- a/home/darwin/default.nix
+++ b/home/darwin/default.nix
@@ -6,7 +6,6 @@
     
     ./alacritty
     ./core.nix
-    ./nushell.nix
   ];
 
   # Home Manager needs a bit of information about you and the
diff --git a/home/darwin/nushell.nix b/home/darwin/nushell.nix
deleted file mode 100644
index ea49671b..00000000
--- a/home/darwin/nushell.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{ ... }: {
-  # nushell's PATH do not include nix-darwin's PATH
-  # this is a workaround to add nix-darwin's PATH to nushell's PATH
-  programs.nushell.extraConfig = ''
-    let-env PATH = ([
-
-      "~/.nix-profile/bin"
-      "/etc/profiles/per-user/admin/bin"
-      "/run/current-system/sw/bin"
-      "/nix/var/nix/profiles/default/bin"
-
-      ($env.PATH | split row (char esep))
-    ] | flatten)
-  '';
-}
\ No newline at end of file
diff --git a/modules/darwin/apps.nix b/modules/darwin/apps.nix
index 67ebe77e..9d157166 100644
--- a/modules/darwin/apps.nix
+++ b/modules/darwin/apps.nix
@@ -48,6 +48,7 @@
     brews = [
       # `brew install`
       "httpie"
+      "wireguard-tools"
     ];
 
     # `brew install --cask`
@@ -59,6 +60,13 @@
 
       "telegram"
       "discord"
+      "wechat"
+      "qq"
+      "neteasemusic"
+      "qqmusic"
+      "microsoft-remote-desktop"
+      "wechatwork"
+      "tencent-meeting"
 
       # "anki"
       "clashx"
@@ -67,8 +75,9 @@
       "syncthing"
       "raycast"
       "iglance"
+      "eudic"
+      # "reaper"
 
-      "iterm2"
       "insomnia"
       "wireshark"
       "jdk-mission-control"
diff --git a/modules/darwin/core.nix b/modules/darwin/core.nix
index 11f00d19..7f6de620 100644
--- a/modules/darwin/core.nix
+++ b/modules/darwin/core.nix
@@ -1,5 +1,5 @@
 
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 {
   ###################################################################################
   #
@@ -72,10 +72,10 @@
     home = "/Users/admin";
     description = "admin";
 
-    # set user's default shell to nushell
-    # this may not work, to change the default shell manually, use
-    #    `chsh -s /run/current-system/sw/bin/nu`
-    shell = pkgs.nushell;
+    # set user's default shell back to zsh
+    #    `chsh -s /bin/zsh`
+    # DO NOT change the system's default shell to nushell! it will break some apps!
+    # It's better to change only starship/alacritty/vscode's shell to nushell!
   };
 
   # Create /etc/zshrc that loads the nix-darwin environment.