diff --git a/zshenv b/zshenv
index d46bf43..2f9c223 100644
--- a/zshenv
+++ b/zshenv
@@ -1 +1 @@
-export EDITOR=vim
+export EDITOR=nvim
diff --git a/zshrc b/zshrc
index 3e89e47..9197cf6 100644
--- a/zshrc
+++ b/zshrc
@@ -9,6 +9,12 @@ HISTSIZE=1000 # memory
 SAVEHIST=1000 # file
 setopt appendhistory
 
+## Plugins
+source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.plugin.zsh
+source /usr/share/zsh/plugins/fast-syntax-highlighting/fast-syntax-highlighting.plugin.zsh
+## Shift-Tab to accept suggestion
+bindkey '\E[Z' autosuggest-accept
+
 ## Input
 # use vim mode
 bindkey -v
@@ -17,42 +23,20 @@ bindkey -Mviins -s jk '\e'
 
 ## Edit
 # edit zshrc
-vizr() {vi $HOME/.zshrc && source $HOME/.zshrc}
+vizr() {"${EDITOR:-vi}" $HOME/.zshrc && . $HOME/.zshrc}
 # edit zshenv
-vize() {vi $HOME/.zshenv && . $HOME/.zshenv}
+vize() {"${EDITOR:-vi}" $HOME/.zshenv && . $HOME/.zshenv}
 # edit zprofile
-vizp() {vi $HOME/.zprofile && . $HOME/.zprofile}
-# edit vimrc
-viv() {vi $HOME/.vim/sup39/vimrc}
-viV() {vi $HOME/.vimrc}
-
-## Completion
-# setup
-autoload -U compinit; compinit -u
-ZSHC_ROOT=$HOME/.zsh_complete
-# edit
-vizc() { [ -z $1 ] && local fn=$ZSHC_ROOT/$1 && vi $fn && [ -f $fn ] && . $fn }
-compdef "_files -W $ZSHC_ROOT" vizc # completion for vizc
-# source
-sczc() {source <(find "$ZSHC_ROOT" -name "*.zsh" -exec cat {} \;)}
-[ -d "$ZSHC_ROOT" ] && sczc # auto source once
-
-## PS1
-function zle-line-init zle-keymap-select {
-  local host='%m'
-  case $KEYMAP in
-    vicmd) # normal mode
-      PS1="%F{200}%n@$host%f:%1~%# ";;
-    main) # insert mode
-      PS1="%F{49}%n@$host%f:%1~%# ";;
-  esac
-  zle reset-prompt
-}
-zle -N zle-line-init
-zle -N zle-keymap-select
+vizp() {"${EDITOR:-vi}" $HOME/.zprofile && . $HOME/.zprofile}
 
 ## Alias
-alias vi='vim'
+alias vi='nvim'
+alias vim='nvim'
 alias ls='ls --color=auto'
-alias certls='certbot certificates'
-alias certrenew='certbot certonly --manual --manual-public-ip-logging-ok --preferred-challenges dns-01 --cert-name'
+alias rg='grep -r'
+alias sudo='sudo '
+alias start="bash -c 'systemctl start \$0; journalctl -xefu \$0'"
+
+## Starship
+#export STARSHIP_CONFIG=/etc/starship.toml
+eval "$(starship init zsh)"