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diff --git a/passion.zsh-theme b/passion.zsh-theme
deleted file mode 100644
index cb8aac2..0000000
--- a/passion.zsh-theme
+++ /dev/null
@@ -1,213 +0,0 @@
-
-# gdate for macOS
-# REF: https://apple.stackexchange.com/questions/135742/time-in-milliseconds-since-epoch-in-the-terminal
-if [[ "$OSTYPE" == "darwin"* ]]; then
-    {
-        gdate
-    } || {
-        echo "\n$fg_bold[yellow]passion.zsh-theme depends on cmd [gdate] to get current time in milliseconds$reset_color"
-        echo "$fg_bold[yellow][gdate] is not installed by default in macOS$reset_color"
-        echo "$fg_bold[yellow]to get [gdate] by running:$reset_color"
-        echo "$fg_bold[green]brew install coreutils;$reset_color";
-        echo "$fg_bold[yellow]\nREF: https://github.com/ChesterYue/ohmyzsh-theme-passion#macos\n$reset_color"
-    }
-fi
-
-
-# time
-function real_time() {
-    local color="%{$fg_no_bold[cyan]%}";                    # color in PROMPT need format in %{XXX%} which is not same with echo
-    local time="[$(date +%H:%M:%S)]";
-    local color_reset="%{$reset_color%}";
-    echo "${color}${time}${color_reset}";
-}
-
-# login_info
-function login_info() {
-    local color="%{$fg_no_bold[cyan]%}";                    # color in PROMPT need format in %{XXX%} which is not same with echo
-    local ip
-    if [[ "$OSTYPE" == "linux-gnu" ]]; then
-        # Linux
-        ip="$(ifconfig | grep ^eth1 -A 1 | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1)";
-    elif [[ "$OSTYPE" == "darwin"* ]]; then
-        # macOS
-        ip="$(ifconfig | grep ^en1 -A 4 | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1)";
-    elif [[ "$OSTYPE" == "cygwin" ]]; then
-        # POSIX compatibility layer and Linux environment emulation for Windows
-    elif [[ "$OSTYPE" == "msys" ]]; then
-        # Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
-    elif [[ "$OSTYPE" == "win32" ]]; then
-        # I'm not sure this can happen.
-    elif [[ "$OSTYPE" == "freebsd"* ]]; then
-        # ...
-    else
-        # Unknown.
-    fi
-    local color_reset="%{$reset_color%}";
-    echo "${color}[%n@${ip}]${color_reset}";
-}
-
-
-# directory
-function directory() {
-    local color="%{$fg_no_bold[cyan]%}";
-    # REF: https://stackoverflow.com/questions/25944006/bash-current-working-directory-with-replacing-path-to-home-folder
-    local directory="${PWD/#$HOME/~}";
-    local color_reset="%{$reset_color%}";
-    echo "${color}[${directory}]${color_reset}";
-}
-
-
-# git
-ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_no_bold[cyan]%}[";
-ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%} ";
-ZSH_THEME_GIT_PROMPT_DIRTY=" %{$fg_no_bold[red]%}✖%{$fg_no_bold[cyan]%}]";
-ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg_no_bold[cyan]%}]";
-
-function update_git_status() {
-    GIT_STATUS=$(git_prompt_info);
-}
-
-function git_status() {
-    echo "${GIT_STATUS}"
-}
-
-
-# command
-function update_command_status() {
-    local arrow="";
-    local color_reset="%{$reset_color%}";
-    local reset_font="%{$fg_no_bold[white]%}";
-    COMMAND_RESULT=$1;
-    export COMMAND_RESULT=$COMMAND_RESULT
-    if $COMMAND_RESULT;
-    then
-        arrow="%{$fg_bold[red]%}❱%{$fg_bold[yellow]%}❱%{$fg_bold[green]%}❱";
-    else
-        arrow="%{$fg_bold[red]%}❱❱❱";
-    fi
-    COMMAND_STATUS="${arrow}${reset_font}${color_reset}";
-}
-update_command_status true;
-
-function command_status() {
-    echo "${COMMAND_STATUS}"
-}
-
-
-# output command execute after
-output_command_execute_after() {
-    if [ "$COMMAND_TIME_BEGIN" = "-20200325" ] || [ "$COMMAND_TIME_BEGIN" = "" ];
-    then
-        return 1;
-    fi
-
-    # cmd
-    local cmd="$(fc -ln -1)";
-    local color_cmd="";
-    if $1;
-    then
-        color_cmd="$fg_no_bold[green]";
-    else
-        color_cmd="$fg_bold[red]";
-    fi
-    local color_reset="$reset_color";
-    cmd="${color_cmd}${cmd}${color_reset}"
-
-    # time
-    local time="[$(date +%H:%M:%S)]"
-    local color_time="$fg_no_bold[cyan]";
-    time="${color_time}${time}${color_reset}";
-
-    # cost
-    local time_end="$(current_time_millis)";
-    local cost=$(bc -l <<<"${time_end}-${COMMAND_TIME_BEGIN}");
-    COMMAND_TIME_BEGIN="-20200325"
-    local length_cost=${#cost};
-    if [ "$length_cost" = "4" ];
-    then
-        cost="0${cost}"
-    fi
-    cost="[cost ${cost}s]"
-    local color_cost="$fg_no_bold[cyan]";
-    cost="${color_cost}${cost}${color_reset}";
-
-    echo -e "${time} ${cost} ${cmd}";
-    echo -e "";
-}
-
-
-# command execute before
-# REF: http://zsh.sourceforge.net/Doc/Release/Functions.html
-preexec() { # cspell:disable-line
-    COMMAND_TIME_BEGIN="$(current_time_millis)";
-}
-
-current_time_millis() {
-    local time_millis;
-    if [[ "$OSTYPE" == "linux-gnu" ]]; then
-        # Linux
-        time_millis="$(date +%s.%3N)";
-    elif [[ "$OSTYPE" == "darwin"* ]]; then
-        # macOS
-        time_millis="$(gdate +%s.%3N)";
-    elif [[ "$OSTYPE" == "cygwin" ]]; then
-        # POSIX compatibility layer and Linux environment emulation for Windows
-    elif [[ "$OSTYPE" == "msys" ]]; then
-        # Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
-    elif [[ "$OSTYPE" == "win32" ]]; then
-        # I'm not sure this can happen.
-    elif [[ "$OSTYPE" == "freebsd"* ]]; then
-        # ...
-    else
-        # Unknown.
-    fi
-    echo $time_millis;
-}
-
-
-# command execute after
-# REF: http://zsh.sourceforge.net/Doc/Release/Functions.html
-precmd() { # cspell:disable-line
-    # last_cmd
-    local last_cmd_return_code=$?;
-    local last_cmd_result=true;
-    if [ "$last_cmd_return_code" = "0" ];
-    then
-        last_cmd_result=true;
-    else
-        last_cmd_result=false;
-    fi
-
-    # update_git_status
-    update_git_status;
-
-    # update_command_status
-    update_command_status $last_cmd_result;
-
-    # output command execute after
-    output_command_execute_after $last_cmd_result;
-}
-
-
-# set option
-setopt PROMPT_SUBST; # cspell:disable-line
-
-
-# timer
-#REF: https://stackoverflow.com/questions/26526175/zsh-menu-completion-causes-problems-after-zle-reset-prompt
-TMOUT=1;
-TRAPALRM() { # cspell:disable-line
-    # $(git_prompt_info) cost too much time which will raise stutters when inputting. so we need to disable it in this occurrence.
-    # if [ "$WIDGET" != "expand-or-complete" ] && [ "$WIDGET" != "self-insert" ] && [ "$WIDGET" != "backward-delete-char" ]; then
-    # black list will not enum it completely. even some pipe broken will appear.
-    # so we just put a white list here.
-    if [ "$WIDGET" = "" ] || [ "$WIDGET" = "accept-line" ] ; then
-        zle reset-prompt;
-    fi
-}
-
-
-# prompt
-# PROMPT='$(real_time) $(login_info) $(directory) $(git_status)$(command_status) ';
-PROMPT='$(real_time) $(directory) $(git_status)$(command_status) ';
diff --git a/simplerich.zsh-theme b/simplerich.zsh-theme
new file mode 100644
index 0000000..29bfa7e
--- /dev/null
+++ b/simplerich.zsh-theme
@@ -0,0 +1,235 @@
+# gdate for macOS
+# REF: https://apple.stackexchange.com/questions/135742/time-in-milliseconds-since-epoch-in-the-terminal
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    {
+        gdate
+    } || {
+        echo "\n$fg_bold[yellow]simplerich.zsh-theme depends on cmd [gdate] to get current time in milliseconds$reset_color"
+        echo "$fg_bold[yellow][gdate] is not installed by default in macOS$reset_color"
+        echo "$fg_bold[yellow]to get [gdate] by running:$reset_color"
+        echo "$fg_bold[green]brew install coreutils;$reset_color"
+        echo "$fg_bold[yellow]\nREF: https://github.com/ChesterYue/ohmyzsh-theme-passion#macos\n$reset_color"
+    }
+fi
+
+_simplerich_current_time_millis() {
+    local time_millis
+    if [[ "$OSTYPE" == "linux-gnu" ]]; then
+        # Linux
+        time_millis="$(date +%s.%3N)"
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        # macOS
+        time_millis="$(gdate +%s.%3N)"
+    elif [[ "$OSTYPE" == "cygwin" ]]; then
+        # POSIX compatibility layer and Linux environment emulation for Windows
+    elif [[ "$OSTYPE" == "msys" ]]; then
+        # Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
+    elif [[ "$OSTYPE" == "win32" ]]; then
+        # I'm not sure this can happen.
+    elif [[ "$OSTYPE" == "freebsd"* ]]; then
+        # ...
+    else
+        # Unknown.
+    fi
+
+    echo $time_millis
+}
+
+_simplerich_update_git_info() {
+    if [ -n "$__CURRENT_GIT_STATUS" ]; then
+        _SIMPLERICH_GIT_INFO=$(git_super_status)
+    else
+        _SIMPLERICH_GIT_INFO=$(git_prompt_info)
+    fi
+}
+
+# command execute before
+# REF: http://zsh.sourceforge.net/Doc/Release/Functions.html
+preexec() { # cspell:disable-line
+    _SIMPLERICH_COMMAND_TIME_BEGIN="$(_simplerich_current_time_millis)"
+}
+
+# command execute after
+# REF: http://zsh.sourceforge.net/Doc/Release/Functions.html
+precmd() { # cspell:disable-line
+    local last_cmd_return_code=$?
+
+    update_command_status() {
+        local color=""
+        local command_result=$1
+        if $command_result; then
+            color=""
+        else
+            color="%{$fg[red]%}"
+        fi
+
+        _SIMPLERICH_COMMAND_STATUS="${color}%(!.#.$)%{$reset_color%}"
+    }
+
+    output_command_execute_after() {
+        if [ "$_SIMPLERICH_COMMAND_TIME_BEGIN" = "-20200325" ] || [ "$_SIMPLERICH_COMMAND_TIME_BEGIN" = "" ]; then
+            return 1
+        fi
+
+        # cmd
+        local cmd="$(fc -ln -1)"
+        local color_cmd=""
+        local command_result=$1
+        if $command_result; then
+            color_cmd="$fg[green]"
+        else
+            color_cmd="$fg[red]"
+        fi
+        local color_reset="$reset_color"
+        cmd="${color_cmd}${cmd}${color_reset}"
+
+        # time
+        local time="[$(date +%H:%M:%S)]"
+
+        # cost
+        local time_end="$(_simplerich_current_time_millis)"
+        local cost=$(bc -l <<<"${time_end}-${_SIMPLERICH_COMMAND_TIME_BEGIN}")
+        _SIMPLERICH_COMMAND_TIME_BEGIN="-20200325"
+        local length_cost=${#cost}
+        if [ "$length_cost" = "4" ]; then
+            cost="0${cost}"
+        fi
+        cost="[cost ${cost}s]"
+
+        echo "${time} $fg[cyan]${cost}${color_reset} ${cmd}\n\n"
+    }
+
+    # last_cmd
+    local last_cmd_result=true
+    if [ "$last_cmd_return_code" = "0" ]; then
+        last_cmd_result=true
+    else
+        last_cmd_result=false
+    fi
+
+    _simplerich_update_git_info
+
+    update_command_status $last_cmd_result
+
+    output_command_execute_after $last_cmd_result
+}
+
+# set option
+setopt PROMPT_SUBST # cspell:disable-line
+
+# timer
+#REF: https://stackoverflow.com/questions/26526175/zsh-menu-completion-causes-problems-after-zle-reset-prompt
+TMOUT=1
+TRAPALRM() { # cspell:disable-line
+    # $(git_prompt_info) cost too much time which will raise stutters when inputting. so we need to disable it in this occurrence.
+    # if [ "$WIDGET" != "expand-or-complete" ] && [ "$WIDGET" != "self-insert" ] && [ "$WIDGET" != "backward-delete-char" ]; then
+    # black list will not enum it completely. even some pipe broken will appear.
+    # so we just put a white list here.
+    if [ "$WIDGET" = "" ] || [ "$WIDGET" = "accept-line" ]; then
+        zle reset-prompt
+    fi
+
+    if [ "$_SIMPLERICH_PROMPT_CALLED_COUNT" -eq 0 ]; then
+        _simplerich_update_git_info
+    fi
+
+    _SIMPLERICH_PROMPT_CALLED_COUNT="$((_SIMPLERICH_PROMPT_CALLED_COUNT + 1))"
+    if [ "$_SIMPLERICH_PROMPT_CALLED_COUNT" -ge 10 ]; then
+        _SIMPLERICH_PROMPT_CALLED_COUNT=0
+    fi
+}
+
+# git
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[green]%}["
+ZSH_THEME_GIT_PROMPT_SUFFIX="%{$fg[green]%}]%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_DIRTY="  %{$fg[yellow]%}*"
+
+# zsh-git-prompt
+ZSH_THEME_GIT_PROMPT_SEPARATOR=" "
+ZSH_THEME_GIT_PROMPT_BRANCH="%{$fg[green]%}"
+ZSH_THEME_GIT_PROMPT_STAGED="%{$fg[yellow]%}%{+%G%}"
+ZSH_THEME_GIT_PROMPT_CONFLICTS="%{$fg[red]%}%{x%G%}"
+ZSH_THEME_GIT_PROMPT_CHANGED="%{$fg[yellow]%}%{●%G%}"
+ZSH_THEME_GIT_PROMPT_BEHIND=" %{$fg[blue]%}"
+ZSH_THEME_GIT_PROMPT_AHEAD="%{$fg[blue]%}|"
+ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[yellow]%}%{…%G%}"
+ZSH_THEME_GIT_PROMPT_CLEAN=""
+
+git_super_status() {
+    precmd_update_git_vars
+
+    if [ -z "$__CURRENT_GIT_STATUS" ]; then
+        return
+    fi
+
+    if [ "$GIT_BRANCH" = ":" ]; then
+        echo ""
+        return
+    fi
+
+    local git_status="$ZSH_THEME_GIT_PROMPT_PREFIX$ZSH_THEME_GIT_PROMPT_BRANCH$GIT_BRANCH%{${reset_color}%}"
+    if [ "$GIT_BEHIND" -ne "0" ] || [ "$GIT_AHEAD" -ne "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_BEHIND$GIT_BEHIND%{${reset_color}%}$ZSH_THEME_GIT_PROMPT_AHEAD$GIT_AHEAD%{${reset_color}%}"
+    fi
+
+    if [ "$GIT_CHANGED" -ne "0" ] || [ "$GIT_CONFLICTS" -ne "0" ] || [ "$GIT_STAGED" -ne "0" ] || [ "$GIT_UNTRACKED" -ne "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_SEPARATOR"
+    fi
+
+    if [ "$GIT_STAGED" -ne "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_STAGED$GIT_STAGED%{${reset_color}%}"
+    fi
+    if [ "$GIT_CONFLICTS" -ne "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_CONFLICTS$GIT_CONFLICTS%{${reset_color}%}"
+    fi
+    if [ "$GIT_CHANGED" -ne "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_CHANGED$GIT_CHANGED%{${reset_color}%}"
+    fi
+    if [ "$GIT_UNTRACKED" -ne "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_UNTRACKED$GIT_UNTRACKED%{${reset_color}%}"
+    fi
+    if [ "$GIT_CHANGED" -eq "0" ] && [ "$GIT_CONFLICTS" -eq "0" ] && [ "$GIT_STAGED" -eq "0" ] && [ "$GIT_UNTRACKED" -eq "0" ]; then
+        git_status="$git_status$ZSH_THEME_GIT_PROMPT_CLEAN"
+    fi
+    git_status="$git_status%{${reset_color}%}$ZSH_THEME_GIT_PROMPT_SUFFIX"
+
+    echo $git_status
+}
+
+_simplerich_prompt() {
+    real_time() {
+        # echo "[%*]";
+        echo "[$(date +%H:%M:%S)]"
+    }
+
+    user_info() {
+        echo "%n"
+    }
+
+    anaconda_info() {
+        echo "%{$fg[magenta]%}(${CONDA_DEFAULT_ENV})%{$reset_color%}"
+    }
+
+    directory_info() {
+        #    echo "%c";
+        echo "%{$fg[cyan]%}${PWD/#$HOME/~}%{$reset_color%}"
+    }
+
+    git_info() {
+        echo "${_SIMPLERICH_GIT_INFO}"
+    }
+
+    command_status() {
+        echo "${_SIMPLERICH_COMMAND_STATUS}"
+    }
+
+    if [ -v CONDA_DEFAULT_ENV ]; then
+        echo "$(real_time) $(user_info) $(anaconda_info) $(directory_info) $(git_info)
+$(command_status) "
+    else
+        echo "$(real_time) $(user_info) $(directory_info) $(git_info)
+$(command_status) "
+    fi
+}
+
+PROMPT='$(_simplerich_prompt)'