Method

After conda init

we need to set in the ~/.p10k/zsh

vim ~/.p10k/zsh

Add this two sentences in this file, this two sentences are designed for the color and env format.

# Anaconda environment color.
typeset -g POWERLEVEL9K_ANACONDA_FOREGROUND=37
typeset -g POWERLEVEL9K_ANACONDA_CONTENT_EXPANSION='${${${${CONDA_PROMPT_MODIFIER#\(}% }%\)}:-${CONDA_PREFIX:t}}'

And then add anaconda to POWERLEVEL9K_LEFT_PROMPT_ELEMENTS or POWERLEVEL9K_RIGHT_PROMPT_ELEMENT to show.

Reference