zplug load error: lib/termsupport

[hadyang]

Describe the bug
When i new tab in terminal zplug load fail. But when i use zplug load --verbose load success

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
When new tab it should be load success

Screenshots

Env (please complete the following information):

• zplug version:2.4.2
• zsh --version:zsh 5.8 (x86_64-apple-darwin19.3.0)
• uname -a:Darwin HadYang.local 19.5.0 Darwin Kernel Version 19.5.0: Tue May 26 20:41:44 PDT 2020; root:xnu-6153.121.2~2/RELEASE_X86_64 x86_64

Minimal zshrc (with less than 30 lines)

Create a minimal reproducing set of configurations for this issue. Please remove all unnecessary parts!

export ZPLUG_HOME=/usr/local/opt/zplug
source $ZPLUG_HOME/init.zsh

#lib
zplug "lib/functions", from:oh-my-zsh
zplug "lib/completion", from:oh-my-zsh
zplug "lib/termsupport", from:oh-my-zsh, defer:2, on:"lib/functions"

#plugs
zplug "dracula/zsh", as:theme
zplug "plugins/git", from:oh-my-zsh
zplug "chrissicool/zsh-256color", as:plugin
zplug "zdharma/fast-syntax-highlighting", as:plugin

# Install plugins if there are plugins that have not been installed
if ! zplug check --verbose; then
    printf "Install? [y/N]: "
    if read -q; then
        echo; zplug install
    fi
fi

# Then, source plugins and add commands to $PATH
# zplug load
zplug load --verbose

Additional context
Add any other context about the problem here.