diff --git a/.config/fish/functions/cat.fish b/.config/fish/functions/cat.fish
index 91062475..91b25479 100644
--- a/.config/fish/functions/cat.fish
+++ b/.config/fish/functions/cat.fish
@@ -1,3 +1,7 @@
 function cat --wraps=bat --description 'alias cat=bat'
-    bat $argv
+    if type -f bat &>/dev/null
+        bat $argv
+    else
+        cat $argv
+    end
 end
diff --git a/.config/fish/functions/catp.fish b/.config/fish/functions/catp.fish
index f3410e76..96b2207d 100644
--- a/.config/fish/functions/catp.fish
+++ b/.config/fish/functions/catp.fish
@@ -1,3 +1,7 @@
 function catp --wraps='bat --paging=always' --description 'alias catp=bat --paging=always'
-    bat --paging=always $argv
+    if type -f bat &>/dev/null
+        bat --paging=always $argv
+    else
+        cat --paging=always $argv
+    end
 end
diff --git a/.config/fish/functions/codeinfo.fish b/.config/fish/functions/codeinfo.fish
index f3b8b79a..0d449966 100644
--- a/.config/fish/functions/codeinfo.fish
+++ b/.config/fish/functions/codeinfo.fish
@@ -1,3 +1,7 @@
 function codeinfo --wraps='scc ./' --description 'alias codeinfo=scc ./'
-    scc ./ $argv
+    if type -f scc &>/dev/null
+        scc ./ $argv
+    else
+        missing_package scc
+    end
 end
diff --git a/.config/fish/functions/disks.fish b/.config/fish/functions/disks.fish
index d9b882d8..7f2e8987 100644
--- a/.config/fish/functions/disks.fish
+++ b/.config/fish/functions/disks.fish
@@ -1,3 +1,7 @@
 function disks --wraps=duf --description 'alias disks=duf'
-    duf $argv
+    if type -f duf &>/dev/null
+        duf $argv
+    else
+        missing_package duf
+    end
 end
diff --git a/.config/fish/functions/dots.fish b/.config/fish/functions/dots.fish
index 9d1d69c3..1e1e0812 100644
--- a/.config/fish/functions/dots.fish
+++ b/.config/fish/functions/dots.fish
@@ -1,4 +1,3 @@
 function dots --description 'alias dots=yadm enter lazygit'
-    cd $HOME
-    yadm enter lazygit $argv
+    fish -c 'cd $HOME; yadm enter lazygit'
 end
diff --git a/.config/fish/functions/dsize.fish b/.config/fish/functions/dsize.fish
index 95cf566e..7ebdffa2 100644
--- a/.config/fish/functions/dsize.fish
+++ b/.config/fish/functions/dsize.fish
@@ -1,3 +1,7 @@
 function dsize --wraps='dua i' --description 'alias dsize=dua i'
-    dua i $argv
+    if type -f dua &>/dev/null
+        dua i $argv
+    else
+        missing_package dua-cli
+    end
 end
diff --git a/.config/fish/functions/ea.fish b/.config/fish/functions/ea.fish
deleted file mode 100644
index 970a2946..00000000
--- a/.config/fish/functions/ea.fish
+++ /dev/null
@@ -1,3 +0,0 @@
-function ea --wraps='nvim ~/.config/fish/aliases.fish' --description 'alias ea=nvim ~/.config/fish/aliases.fish'
-    nvim ~/.config/fish/aliases.fish $argv
-end
diff --git a/.config/fish/functions/ef.fish b/.config/fish/functions/ef.fish
deleted file mode 100644
index 5d410e3d..00000000
--- a/.config/fish/functions/ef.fish
+++ /dev/null
@@ -1,3 +0,0 @@
-function ef --wraps='nvim ~/.config/fish/config.fish' --description 'alias ef=nvim ~/.config/fish/config.fish'
-    nvim ~/.config/fish/config.fish $argv
-end
diff --git a/.config/fish/functions/eg.fish b/.config/fish/functions/eg.fish
deleted file mode 100644
index f68182eb..00000000
--- a/.config/fish/functions/eg.fish
+++ /dev/null
@@ -1,3 +0,0 @@
-function eg --wraps='nvim ~/.gitconfig' --description 'alias eg=nvim ~/.gitconfig'
-    nvim ~/.gitconfig $argv
-end
diff --git a/.config/fish/functions/ev.fish b/.config/fish/functions/ev.fish
deleted file mode 100644
index 98806285..00000000
--- a/.config/fish/functions/ev.fish
+++ /dev/null
@@ -1,3 +0,0 @@
-function ev --wraps='nvim ~/.config/fish/variables.fish' --description 'alias ev=nvim ~/.config/fish/variables.fish'
-    nvim ~/.config/fish/variables.fish $argv
-end
diff --git a/.config/fish/functions/f.fish b/.config/fish/functions/f.fish
index bf7ed772..e07bc819 100644
--- a/.config/fish/functions/f.fish
+++ b/.config/fish/functions/f.fish
@@ -1,3 +1,7 @@
 function f --wraps=fzf --description 'alias f=fzf'
-    fzf $argv
+    if type -f fzf &>/dev/null
+        fzf $argv
+    else
+        missing_package fzf
+    end
 end
diff --git a/.config/fish/functions/fe.fish b/.config/fish/functions/fe.fish
index 02aeb092..b16d6abd 100644
--- a/.config/fish/functions/fe.fish
+++ b/.config/fish/functions/fe.fish
@@ -1,8 +1,12 @@
 function fe
-    set tmp (mktemp -t "yazi-cwd.XXXXX")
-    yazi --cwd-file="$tmp"
-    if set cwd (cat -- "$tmp"); and [ -n "$cwd" ]; and [ "$cwd" != "$PWD" ]
-        cd -- "$cwd"
+    if type -f yazi &>/dev/null
+        set tmp (mktemp -t "yazi-cwd.XXXXX")
+        yazi --cwd-file="$tmp"
+        if set cwd (cat -- "$tmp"); and [ -n "$cwd" ]; and [ "$cwd" != "$PWD" ]
+            cd -- "$cwd"
+        end
+        rm -f -- "$tmp"
+    else
+        missing_package yazi
     end
-    rm -f -- "$tmp"
 end
diff --git a/.config/fish/functions/fetch.fish b/.config/fish/functions/fetch.fish
index d7c29af9..ce670dd2 100644
--- a/.config/fish/functions/fetch.fish
+++ b/.config/fish/functions/fetch.fish
@@ -1,3 +1,7 @@
 function fetch --wraps=fastfetch --description 'alias fetch=fastfetch'
-    fastfetch $argv
+    if type -f fastfetch &>/dev/null
+        fastfetch $argv
+    else
+        missing_package fastfetch
+    end
 end
diff --git a/.config/fish/functions/gfetch.fish b/.config/fish/functions/gfetch.fish
index fffa35e3..32494c1a 100644
--- a/.config/fish/functions/gfetch.fish
+++ b/.config/fish/functions/gfetch.fish
@@ -1,3 +1,7 @@
 function gfetch --wraps=onefetch --description 'alias gfetch=onefetch'
-    onefetch $argv
+    if type -f onefetch &>/dev/null
+        onefetch $argv
+    else
+        missing_package onefetch
+    end
 end
diff --git a/.config/fish/functions/gpt.fish b/.config/fish/functions/gpt.fish
index 756bd3b7..06abcff1 100644
--- a/.config/fish/functions/gpt.fish
+++ b/.config/fish/functions/gpt.fish
@@ -1,3 +1,7 @@
 function gpt --wraps='tgpt -i' --description 'alias gpt=tgpt -i'
-    tgpt $argv
+    if type -f tgpt &>/dev/null
+        tgpt $argv
+    else
+        missing_package tgpt
+    end
 end
diff --git a/.config/fish/functions/info.fish b/.config/fish/functions/info.fish
index 862abc87..93acd924 100644
--- a/.config/fish/functions/info.fish
+++ b/.config/fish/functions/info.fish
@@ -1,3 +1,7 @@
 function info --wraps=tldr --description 'alias info=tldr'
-    tldr $argv
+    if type -f tldr &>/dev/null
+        tldr $argv
+    else
+        missing_package tldr
+    end
 end
diff --git a/.config/fish/functions/l.fish b/.config/fish/functions/l.fish
index a3a0f365..5f2e3280 100644
--- a/.config/fish/functions/l.fish
+++ b/.config/fish/functions/l.fish
@@ -1,3 +1,7 @@
 function l --wraps='eza --long --header -a --icons --git --group-directories-first' --description 'alias l=eza --long --header -a --icons --git --group-directories-first'
-    eza --long --header -a --icons --git --group-directories-first --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza --long --header -a --icons --git --group-directories-first --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/ld.fish b/.config/fish/functions/ld.fish
index 11f44eff..15899fb4 100644
--- a/.config/fish/functions/ld.fish
+++ b/.config/fish/functions/ld.fish
@@ -1,3 +1,7 @@
 function ld --wraps=lazydocker --description 'alias ld=lazydocker'
-    lazydocker $argv
+    if type -f lazydocker &>/dev/null
+        lazydocker $argv
+    else
+        missing_package lazydocker
+    end
 end
diff --git a/.config/fish/functions/ldh.fish b/.config/fish/functions/ldh.fish
index b51f61cf..988ca9aa 100644
--- a/.config/fish/functions/ldh.fish
+++ b/.config/fish/functions/ldh.fish
@@ -1,3 +1,7 @@
 function ldh --wraps='eza --long --header --icons -D --git' --description 'alias ldh=eza --long --header --icons -D --git'
-    eza --long --header --icons -D --git --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza --long --header --icons -D --git --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/lg.fish b/.config/fish/functions/lg.fish
index 2d1cb1d2..d0306d1e 100644
--- a/.config/fish/functions/lg.fish
+++ b/.config/fish/functions/lg.fish
@@ -1,3 +1,7 @@
 function lg --wraps=lazygit --description 'alias lg=lazygit'
-    lazygit $argv
+    if type -f eza &>/dev/null
+        lazygit $argv
+    else
+        missing_package lazygit
+    end
 end
diff --git a/.config/fish/functions/lh.fish b/.config/fish/functions/lh.fish
index 73a96e42..6f9522c0 100644
--- a/.config/fish/functions/lh.fish
+++ b/.config/fish/functions/lh.fish
@@ -1,3 +1,7 @@
 function lh --wraps='eza --long --header --icons --git --group-directories-first' --description 'alias lh=eza --long --header --icons --git --group-directories-first'
-    eza --long --header --icons --git --group-directories-first --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza --long --header --icons --git --group-directories-first --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/ls.fish b/.config/fish/functions/ls.fish
index f527cdd8..d99c7853 100644
--- a/.config/fish/functions/ls.fish
+++ b/.config/fish/functions/ls.fish
@@ -1,3 +1,7 @@
 function ls --wraps='eza -a --icons --group-directories-first' --description 'alias ls=eza -a --icons --group-directories-first'
-    eza -a --icons --group-directories-first --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza -a --icons --group-directories-first --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/lsh.fish b/.config/fish/functions/lsh.fish
index 56a6505b..aae12099 100644
--- a/.config/fish/functions/lsh.fish
+++ b/.config/fish/functions/lsh.fish
@@ -1,3 +1,7 @@
 function lsh --wraps='eza --icons --git --group-directories-first' --description 'alias lsh=eza --icons --git --group-directories-first'
-    eza --icons --git --group-directories-first --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza --icons --git --group-directories-first --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/lt.fish b/.config/fish/functions/lt.fish
index e3c3a182..be2de911 100644
--- a/.config/fish/functions/lt.fish
+++ b/.config/fish/functions/lt.fish
@@ -1,3 +1,7 @@
 function lt --wraps='eza --long --header -a --icons --tree --git --group-directories-first' --description 'alias lt=eza --long --header -a --icons --tree --git --group-directories-first'
-    eza --long --header -a --icons --tree --git --group-directories-first --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza --long --header -a --icons --tree --git --group-directories-first --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/lth.fish b/.config/fish/functions/lth.fish
index 42832b3c..6c076896 100644
--- a/.config/fish/functions/lth.fish
+++ b/.config/fish/functions/lth.fish
@@ -1,3 +1,7 @@
 function lth --wraps='eza --long --header --icons --tree --git --group-directories-first' --description 'alias lth=eza --long --header --icons --tree --git --group-directories-first'
-    eza --long --header --icons --tree --git --group-directories-first --hyperlink $argv
+    if type -f eza &>/dev/null
+        eza --long --header --icons --tree --git --group-directories-first --hyperlink $argv
+    else
+        missing_package eza
+    end
 end
diff --git a/.config/fish/functions/missing_package.fish b/.config/fish/functions/missing_package.fish
new file mode 100644
index 00000000..0f21f202
--- /dev/null
+++ b/.config/fish/functions/missing_package.fish
@@ -0,0 +1,12 @@
+function missing_package
+    while true
+        read -l -P "$argv[1] not found. Do you want to install it? [y/N] " confirm
+
+        if test "$confirm" = y
+            i $argv
+            break
+        else
+            break
+        end
+    end
+end
diff --git a/.config/fish/functions/ni.fish b/.config/fish/functions/ni.fish
index cdc15154..485bdd07 100644
--- a/.config/fish/functions/ni.fish
+++ b/.config/fish/functions/ni.fish
@@ -1,3 +1,7 @@
 function ni --wraps='npm install' --description 'alias ni=npm install'
-    npm install $argv
+    if type -f npm &>/dev/null
+        npm install $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nid.fish b/.config/fish/functions/nid.fish
index d87fbdf5..d13bc60d 100644
--- a/.config/fish/functions/nid.fish
+++ b/.config/fish/functions/nid.fish
@@ -1,3 +1,7 @@
 function nid --wraps='npm install --save-dev' --description 'alias nid=npm install --save-dev'
-    npm install --save-dev $argv
+    if type -f npm &>/dev/null
+        npm install --save-dev $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nis.fish b/.config/fish/functions/nis.fish
index 9157ed62..352eb3a9 100644
--- a/.config/fish/functions/nis.fish
+++ b/.config/fish/functions/nis.fish
@@ -1,3 +1,7 @@
 function nis --wraps='npm install --save' --description 'alias nis=npm install --save'
-    npm install --save $argv
+    if type -f npm &>/dev/null
+        npm install --save $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nls.fish b/.config/fish/functions/nls.fish
index c33ab521..cb50a7da 100644
--- a/.config/fish/functions/nls.fish
+++ b/.config/fish/functions/nls.fish
@@ -1,3 +1,7 @@
 function nls --wraps='npm list' --description 'alias nls=npm list'
-    npm list $argv
+    if type -f npm &>/dev/null
+        npm list $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nlsg.fish b/.config/fish/functions/nlsg.fish
index fd17d0c7..1f887c43 100644
--- a/.config/fish/functions/nlsg.fish
+++ b/.config/fish/functions/nlsg.fish
@@ -1,3 +1,7 @@
 function nlsg --wraps='npm list --global' --description 'alias nlsg=npm list --global'
-    npm list --global $argv
+    if type -f npm &>/dev/null
+        npm list --global $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nu.fish b/.config/fish/functions/nu.fish
index 8d4b88cc..d97bf446 100644
--- a/.config/fish/functions/nu.fish
+++ b/.config/fish/functions/nu.fish
@@ -1,3 +1,7 @@
 function nu --wraps='npm uninstall' --description 'alias nu=npm uninstall'
-    npm uninstall $argv
+    if type -f npm &>/dev/null
+        npm uninstall $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nud.fish b/.config/fish/functions/nud.fish
index 22b2316a..59e513ee 100644
--- a/.config/fish/functions/nud.fish
+++ b/.config/fish/functions/nud.fish
@@ -1,3 +1,7 @@
 function nud --wraps='npm uninstall --save-dev' --description 'alias nud=npm uninstall --save-dev'
-    npm uninstall --save-dev $argv
+    if type -f npm &>/dev/null
+        npm uninstall --save-dev $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nup.fish b/.config/fish/functions/nup.fish
index 3fc25fee..37b76f3e 100644
--- a/.config/fish/functions/nup.fish
+++ b/.config/fish/functions/nup.fish
@@ -1,3 +1,7 @@
 function nup --wraps='npm update' --description 'alias nup=npm update'
-    npm update $argv
+    if type -f npm &>/dev/null
+        npm update $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/nus.fish b/.config/fish/functions/nus.fish
index 2e829a1b..b5c8cd4d 100644
--- a/.config/fish/functions/nus.fish
+++ b/.config/fish/functions/nus.fish
@@ -1,3 +1,7 @@
 function nus --wraps='npm uninstall --save' --description 'alias nus=npm uninstall --save'
-    npm uninstall --save $argv
+    if type -f npm &>/dev/null
+        npm uninstall --save $argv
+    else
+        missing_package npm
+    end
 end
diff --git a/.config/fish/functions/pages.fish b/.config/fish/functions/pages.fish
index 78fd1fa5..8d69720d 100644
--- a/.config/fish/functions/pages.fish
+++ b/.config/fish/functions/pages.fish
@@ -1,3 +1,7 @@
 function pages --wraps=navi --description 'alias pages=navi'
-    navi $argv
+    if type -f navi &>/dev/null
+        navi $argv
+    else
+        missing_package navi
+    end
 end
diff --git a/.config/fish/functions/proc.fish b/.config/fish/functions/proc.fish
index f80795d8..dab02a6c 100644
--- a/.config/fish/functions/proc.fish
+++ b/.config/fish/functions/proc.fish
@@ -1,3 +1,7 @@
 function proc --wraps=sysz --description 'alias proc=sysz'
-    sysz $argv
+    if type -f sysz &>/dev/null
+        sysz $argv
+    else
+        missing_package sysz
+    end
 end
diff --git a/.config/fish/functions/pse.fish b/.config/fish/functions/pse.fish
index 0815c5f0..ae660f0a 100644
--- a/.config/fish/functions/pse.fish
+++ b/.config/fish/functions/pse.fish
@@ -1,3 +1,8 @@
 function pse --wraps=pacseek --description 'alias pse=pacseek'
-    pacseek $argv
+    if type -f pacseek &>/dev/null
+        pacseek $argv
+    else
+        missing_package pacseek
+    end
+
 end
diff --git a/.config/fish/functions/r.fish b/.config/fish/functions/r.fish
index 2989aa3d..f924bd1e 100644
--- a/.config/fish/functions/r.fish
+++ b/.config/fish/functions/r.fish
@@ -1,3 +1,8 @@
 function r --wraps='mise run' --description 'alias r=mise run'
-    mise run $argv
+    if type -f mise &>/dev/null
+        mise run $argv
+    else
+        missing_package mise
+    end
+
 end
diff --git a/.config/fish/functions/s.fish b/.config/fish/functions/s.fish
index 4e120ce2..ca0eab0d 100644
--- a/.config/fish/functions/s.fish
+++ b/.config/fish/functions/s.fish
@@ -1,4 +1,3 @@
 function s --wraps=sudo --description 'alias s=sudo'
-  sudo $argv
-        
+    sudo $argv
 end
diff --git a/.config/fish/functions/t.fish b/.config/fish/functions/t.fish
index 342118e0..60cdafc4 100644
--- a/.config/fish/functions/t.fish
+++ b/.config/fish/functions/t.fish
@@ -1,3 +1,7 @@
 function t --wraps=tmux --description 'alias t=tmux'
-    tmux attach >/dev/null 2>&1 || tmux new-session $argv
+    if type -f tmux &>/dev/null
+        tmux attach >/dev/null 2>&1 || tmux new-session $argv
+    else
+        missing_package tmux
+    end
 end
diff --git a/.config/fish/functions/ta.fish b/.config/fish/functions/ta.fish
index 204ccef0..92db0056 100644
--- a/.config/fish/functions/ta.fish
+++ b/.config/fish/functions/ta.fish
@@ -1,3 +1,7 @@
 function ta --wraps='tmux attach -t' --description 'alias ta=tmux attach -t'
-    tmux attach -t $argv
+    if type -f tmux &>/dev/null
+        tmux attach -t $argv
+    else
+        missing_package tmux
+    end
 end
diff --git a/.config/fish/functions/v.fish b/.config/fish/functions/v.fish
index 8ff68585..f1ee126e 100644
--- a/.config/fish/functions/v.fish
+++ b/.config/fish/functions/v.fish
@@ -1,3 +1,7 @@
 function v --wraps=nvim --description 'alias v=nvim'
-    nvim $argv
+    if type -f nvim &>/dev/null
+        nvim $argv
+    else
+        missing_package nvim
+    end
 end
diff --git a/.config/fish/functions/vcl.fish b/.config/fish/functions/vcl.fish
index 5bb363d3..8fe0d753 100644
--- a/.config/fish/functions/vcl.fish
+++ b/.config/fish/functions/vcl.fish
@@ -1,3 +1,7 @@
 function vcl --wraps='nvim --clean' --description 'alias vcl=nvim --clean'
-    nvim --clean $argv
+    if type -f nvim &>/dev/null
+        nvim --clean $argv
+    else
+        missing_package nvim
+    end
 end