diff --git a/shell.nix b/shell.nix
index b3250b5..4ee1eb9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -6,4 +6,12 @@ pkgs.mkShell {
   # This can also be fixed by using oxalica/rust-overlay and specifying the rust-src extension
   # See https://discourse.nixos.org/t/rust-src-not-found-and-other-misadventures-of-developing-rust-on-nixos/11570/3?u=samuela. for more details.
   RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
+  shellHook = ''
+    # Set fish as the default shell
+    SHELL=${pkgs.fish}/bin/fish
+
+    # Configure git
+    git config --global user.name "wangfiox"
+    git config --global user.email "wangfiox@gmail.com"
+  '';
 }