diff --git a/README.md b/README.md
index 5afaeb62..f2c22933 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This repository is home to the nix code that builds my systems.
 
 Nix allows for easy-to-manage, collaborative, reproducible deployments. This means that once something is setup and configured once, it works forever. If someone else shares their configuration, anyone can make use of it.
 
-**Want to know Nix in details? Looking for a beginner-friendly tutorial? Check out [NixOS & Nix Flakes - 🛠️ ❤️ An unofficial & opinionated Book for Beginners](https://github.com/ryan4yin/nixos-and-flakes-book)!**
+**Want to know Nix in details? Looking for a beginner-friendly tutorial or best practices? Check out [NixOS & Nix Flakes - 🛠️ ❤️ An unofficial & opinionated Book for Beginners](https://github.com/ryan4yin/nixos-and-flakes-book)!**
 
 ## Hosts
 
@@ -75,19 +75,6 @@ flatpak search <keyword>
 # search on website is also supported: https://flathub.org/
 ```
 
-## Run unmodified binaries on NixOS
-
-> the `fhs` command is defined at [./modules/nixos/core-desktop.nix#L145](https://github.com/ryan4yin/nix-config/blob/v0.0.5/modules/nixos/core-desktop.nix#L145)
-
-```shell
-# Activating FHS drops me in a shell which looks like a "normal" Linux
-$ fhs
-(fhs) $ ls /usr/bin
-(fhs) $ ./bin/code
-```
-
-for other methods, check out [Different methods to run a non-nixos executable on Nixos](https://unix.stackexchange.com/questions/522822/different-methods-to-run-a-non-nixos-executable-on-nixos).
-
 ## How to create & managage VM from this flake?
 
 use `aquamarine` as an example, we can create a virtual machine with the following command:
@@ -119,6 +106,10 @@ make aqua
 
 The commands above will build & deploy the configuration to `aquamarine`, the build process will be executed on `aquamarine` too, and the `--use-remote-sudo` option indicates that we will use `sudo` on the remote host.
 
+## Other Tips
+
+1. alacritty - Multi-Window on macOS: `command + N`
+
 ## Other Interesting Dotfiles
 
 Other dotfiles && docs that inspired me:
diff --git a/modules/darwin/apps.nix b/modules/darwin/apps.nix
index 9d157166..0e32df5c 100644
--- a/modules/darwin/apps.nix
+++ b/modules/darwin/apps.nix
@@ -76,6 +76,7 @@
       "raycast"
       "iglance"
       "eudic"
+      "baiduinput"  # baidu input method
       # "reaper"
 
       "insomnia"