diff --git a/README.md b/README.md
index 215556a..d947e56 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,6 @@ sudo nixos-rebuild switch --flake .#wsl
 │   │   └── git.nix
 │   └── shell/                 # Shell 配置
 │       ├── fish.nix           # Fish shell
-│       ├── tmux.nix
 │       ├── starship.nix       # Prompt
 │       └── tools.nix          # fzf, atuin, zoxide 等
 ├── lib/default.nix            # 构建辅助函数
diff --git a/home/shell/default.nix b/home/shell/default.nix
index 5760afd..ee9845c 100644
--- a/home/shell/default.nix
+++ b/home/shell/default.nix
@@ -3,6 +3,5 @@
     ./fish.nix
     ./starship.nix
     ./tools.nix
-    ./tmux.nix
   ];
 }
diff --git a/home/shell/tmux.nix b/home/shell/tmux.nix
deleted file mode 100644
index aecba95..0000000
--- a/home/shell/tmux.nix
+++ /dev/null
@@ -1,51 +0,0 @@
-{ pkgs, ... }:
-
-{
-  programs.tmux = {
-    enable = true;
-    baseIndex = 1;
-    escapeTime = 10;
-    historyLimit = 50000;
-    keyMode = "vi";
-    mouse = true;
-    terminal = "tmux-256color";
-    prefix = "C-a";
-
-    plugins = with pkgs.tmuxPlugins; [
-      sensible
-      vim-tmux-navigator
-      yank
-    ];
-
-    extraConfig = ''
-      # ── True color support ──
-      set -ag terminal-overrides ",xterm-256color:RGB"
-
-      # ── Split panes ──
-      bind v split-window -h -c "#{pane_current_path}"
-      bind s split-window -v -c "#{pane_current_path}"
-      unbind '"'
-      unbind %
-
-      # ── New window in current path ──
-      bind c new-window -c "#{pane_current_path}"
-
-      # ── Reload config ──
-      bind r source-file ~/.config/tmux/tmux.conf \; display "Config reloaded!"
-
-      # ── Resize panes ──
-      bind -r H resize-pane -L 5
-      bind -r J resize-pane -D 5
-      bind -r K resize-pane -U 5
-      bind -r L resize-pane -R 5
-
-      # ── Status bar ──
-      set -g status-position top
-      set -g renumber-windows on
-
-      # ── Copy mode vim bindings ──
-      bind -T copy-mode-vi v send-keys -X begin-selection
-      bind -T copy-mode-vi y send-keys -X copy-selection-and-cancel
-    '';
-  };
-}
diff --git a/home/shell/tools.nix b/home/shell/tools.nix
index ad9e46c..bed57b8 100644
--- a/home/shell/tools.nix
+++ b/home/shell/tools.nix
@@ -86,6 +86,12 @@
     };
   };
 
+  # ── Zellij (terminal multiplexer) ────────────────────
+  programs.zellij = {
+    enable = true;
+    enableFishIntegration = true;
+  };
+
   # ── Ripgrep / FD ────────────────────────────────────
   home.packages = with pkgs; [
     ripgrep