Try set zshrc with zplug

zshrc.zsh

source ~/.zplug/init.zsh

zplug "zplug/zplug"
#zplug "zsh-users/zsh-history-substring-search"
#zplug "zsh-users/zsh-completions"
#zplug "zsh-users/zsh-syntax-highlighting"

# Prezto
zplug "modules/prompt", from:prezto
zstyle ':prezto:module:prompt' theme 'yen3'

zplug "modules/command-not-found", from:prezto
zplug "modules/completion", from:prezto
zplug "modules/directory", from:prezto
zplug "modules/environment", from:prezto
zplug "modules/fasd", from:prezto
zplug "modules/git", from:prezto
zplug "modules/gnu-utility", from:prezto
zplug "modules/haskell", from:prezto
zplug "modules/history-substring-search", from:prezto
zplug "modules/history", from:prezto
zplug "modules/homebrew", from:prezto
zplug "modules/osx", from:prezto
zplug "modules/python", from:prezto
zplug "modules/ssh", from:prezto
zplug "modules/syntax-highlighting", from:prezto
zplug "modules/terminal", from:prezto
zplug "modules/tmux", from:prezto
zplug "modules/utility", from:prezto

if ! zplug check --verbose; then
    printf "Install? [y/N]: "
    if read -q; then
        echo; zplug install
    fi
fi

zplug load

#source /Users/yen3/Documents/rc_sky/rc/zsh_bak/zshrc/prezto/prompt_yen3_setup

###############################################################################
# Personal setting
###############################################################################
export ZSH_CUSTOM_SETTING_PATH=$HOME/.zshrc_custom
export PATH=$PATH:$HOME/.yen3_scripts

export EDITOR=vim
alias ls='ls --color'
alias grep='grep --color=auto'
alias ack='ack --color-match=green'
alias ll='ls -al'
alias neovim='nvim'
alias cask='brew cask'
alias ag='ag --nogroup'