diff --git a/tmux.sh b/tmux.sh
new file mode 100644
index 0000000..7e19dba
--- /dev/null
+++ b/tmux.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+SESSION_NAME="nix"
+WORK_DIR="/Users/yanlin/.config/nix"
+
+if tmux has-session -t $SESSION_NAME 2>/dev/null; then
+    tmux attach-session -t $SESSION_NAME
+    exit 0
+fi
+
+tmux new-session -d -s $SESSION_NAME -c "$WORK_DIR"
+tmux rename-window -t $SESSION_NAME:1 "nvim"
+tmux send-keys -t $SESSION_NAME:1 "nvim" C-m
+tmux new-window -t $SESSION_NAME:2 -n "ai"
+tmux send-keys -t $SESSION_NAME:2 "claude -r" C-m
+tmux split-window -t $SESSION_NAME:2 -h
+tmux split-window -t $SESSION_NAME:2.2 -v
+tmux select-pane -t $SESSION_NAME:2.1
+tmux new-window -t $SESSION_NAME:3 -n "bash"
+
+tmux select-window -t $SESSION_NAME:1
+
+tmux attach-session -t $SESSION_NAME