if status is-interactive
    # ========= 编辑器环境变量设置 ==========
    set -l editor_cmd (if type -q vim; echo vim; else if type -q vi; echo vi; else; end)
    test -n "$editor_cmd"; and set -gx EDITOR $editor_cmd
    test -n "$editor_cmd"; and set -gx VISUAL $editor_cmd

    # ========= Bash 常用命令增强/替代 ==========
    # 工具选择
    set -l ls_cmd (if type -q eza; echo eza; else if type -q exa; echo exa; else; end)
    set -l cat_cmd (if type -q bat; echo bat; else if type -q batcat; echo batcat; else; end)
    set -l find_cmd (if type -q fd; echo fd; else if type -q fdfind; echo fdfind; else; end)
    
    # 处理特殊情况：根据选择的工具添加缩写
    test "$cat_cmd" = "batcat"; and abbr bat batcat
    test "$find_cmd" = "fdfind"; and abbr fd fdfind

    # 使用 --cmd=cd：让 cd 也具备 zoxide 的跳转能力（交互式对应 cdi）
    type -q zoxide; and zoxide init --cmd=cd fish | source
    
    # 命令缩写配置
    test -n "$ls_cmd"; and abbr ls $ls_cmd
    test -n "$ls_cmd"; and abbr ll "$ls_cmd -l"
    test -n "$ls_cmd"; and abbr la "$ls_cmd -a"
    test -n "$ls_cmd"; and abbr lal "$ls_cmd -la"
    test -n "$cat_cmd"; and abbr cat $cat_cmd
    test -n "$cat_cmd"; and abbr cap "$cat_cmd -p"
    test -n "$find_cmd"; and abbr find $find_cmd
    type -q rg; and abbr grep rg
    type -q btop; and abbr top btop
    type -q tldr; and abbr help tldr

    # ========= 其他工具配置 ==========
    type -q chezmoi; and abbr cz chezmoi
    type -q tmux; and abbr tm tmux
    type -q tmux; and abbr tmn 'tmux new'
    type -q tmux; and abbr tma 'tmux attach'
    type -q tmux; and abbr tml 'tmux list-sessions'
    type -q docker; and abbr d docker
    type -q docker-compose; and abbr dc 'docker-compose'
    
    # systemd 常用缩写
    type -q systemctl; and abbr sc systemctl
    type -q systemctl; and abbr scu 'systemctl --user'
    type -q journalctl; and abbr jc journalctl
    type -q journalctl; and abbr jcu 'journalctl --user'

    # ========= thefuck：自动命令纠错 =========
    type -q thefuck; and thefuck --alias | source

    # ========= fastfetch：启动信息显示（仅在第一次打开 shell 时） =========
    if status --is-login; and type -q fastfetch
        fastfetch
    end
end