diff --git a/zshrc/prep_env.sh b/zshrc/prep_env.sh
new file mode 100644
index 0000000..14f8681
--- /dev/null
+++ b/zshrc/prep_env.sh
@@ -0,0 +1,297 @@
+#!/bin/bash
+
+############################################################
+# alias
+############################################################
+alias launch='mlx worker launch'
+alias run='launch'
+
+##################
+# history
+##################
+export HISTSIZE=100000
+export HISTFILESIZE=200000
+
+# 2. 在关闭终端时追加历史记录，而不是覆盖
+shopt -s histappend
+
+# 3. 忽略重复及以空格开头的命令
+export HISTCONTROL=ignoreboth
+
+# 4. 忽略特定的常用命令
+# export HISTIGNORE="&:[bf]g:exit:pwd:clear:history"
+
+# 5. 为命令添加时间戳
+export HISTTIMEFORMAT="%F %T "
+
+# 6. 在每次命令后立即写入历史，实现多终端实时共享
+# 注意：这可能会对性能有轻微影响，但对于大多数现代计算机来说可以忽略不计
+# export PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
+
+##################
+# set ulimit
+##################
+ulimit -n 1024768
+
+############################################################
+# 兼容 IGNOREEOF
+############################################################
+# bash: 连续两次 Ctrl-D 才退出
+export IGNOREEOF=2
+# zsh: 对应的 setopt
+if [[ -n "${ZSH_VERSION}" ]]; then
+    setopt IGNORE_EOF 2>/dev/null || true
+fi
+
+############################################################
+# MLX / Merlin 相关环境（从 mlxrc & start_devbox 合并）
+############################################################
+
+# Kerberos cache 位置
+export KRB5CCNAME="${KRB5CCNAME:-FILE:/opt/tiger/.krb5cc_${UID}}"
+
+# MLX / Notebook 相关 PYTHONPATH
+# 在已有 PYTHONPATH 前追加 /mlx/workspace:/tmp/mlx/workspace:/opt/tiger:/opt/tiger/lite_sdk
+# 并确保 mlx_notebook_pysdk 路径存在
+if [[ -z "${PYTHONPATH}" ]]; then
+    export PYTHONPATH="/mlx/workspace:/tmp/mlx/workspace:/opt/tiger:/opt/tiger/lite_sdk:/opt/tiger/mlx_notebook_pysdk/mlx-pysdk"
+else
+    export PYTHONPATH="/mlx/workspace:/tmp/mlx/workspace:/opt/tiger:/opt/tiger/lite_sdk:${PYTHONPATH}:/opt/tiger/mlx_notebook_pysdk/mlx-pysdk"
+fi
+
+# pyspark 相关
+export PYSPARK_PYTHON="${PYSPARK_PYTHON:-/usr/bin/python3}"
+export PYSPARK_DRIVER_PYTHON="${PYSPARK_DRIVER_PYTHON:-/usr/bin/python3}"
+# 默认 local[2]，和原 mlxrc 保持一致
+export PYSPARK_SUBMIT_ARGS="${PYSPARK_SUBMIT_ARGS:---master local[2] pyspark-shell}"
+
+# MLXLAB devbox code disk 标记（如果启动脚本已经设置，就不要覆盖）
+if [[ -n "${MLXLAB_DEVBOX_CODE_DISK}" ]]; then
+export MLXLAB_DEVBOX_CODE_DISK=''
+fi
+
+# MLX / Merlin 相关变量（假设在容器启动时已经由 start_devbox.sh 导出）
+# 这里统一再 export 一遍，保证交互 shell 也能继承
+export MLX_USER_TOKEN='bd2a3f1b71d54ab497f13f2eefc4f5bc'
+export MLX_USER='qingyuhao'
+export MLX_IMAGE_VID='d51qjdbc77u9kebl603g'
+export MLX_IMAGE_URL='hub.byted.org/reckon/data.reckon.mlx.image_10786:4aa09c59c9cbb1fcde50526696177c84'
+export MLX_ENGINE_SID='bgi0zldy6943b7db'
+export MLX_DEVBOX_ID='132783'
+export MLX_HOST_URL='https://ml.bytedance.net/'
+export MERLIN_HOST_URL='https://ml.bytedance.net'
+export TCC_CDN_HOST='//lf6-config.bytetcc.com/obj/tcc-config-web'
+export ZTI_ENV='cn'
+export IS_SEED='true'
+export MLXLAB_DEVBOX_CODE_DISK=''
+
+# DOAS_ZONE（从 BYTE_REGION 推导）
+if [[ "${BYTE_REGION}" == "CN" ]]; then
+    export DOAS_ZONE="cn"
+else
+    export DOAS_ZONE="row"
+fi
+
+# SEC_KV_AUTH
+export SEC_KV_AUTH=1
+
+# 统一补全 NO_PROXY / no_proxy
+# 基础域名列表
+_base_no_proxy=".byted.org,byted.org,.bytedance.net,bytedance.net"
+
+for _v in NO_PROXY no_proxy; do
+    _cur="${!_v}"
+    if [[ -z "${_cur}" ]]; then
+        export ${_v}="${_base_no_proxy}"
+    else
+        # 如果已经包含基础域名，就不重复追加
+        if [[ "${_cur}" == *".byted.org"* || "${_cur}" == *".bytedance.net"* ]]; then
+            export ${_v}="${_cur}"
+        else
+            export ${_v}="${_base_no_proxy},${_cur}"
+        fi
+    fi
+done
+unset _v _cur _base_no_proxy
+
+# IS_SEED: 禁用代理（和原来写进 mlxrc 的逻辑保持一致）
+if [[ "${IS_SEED}" == "true" ]]; then
+    unset http_proxy HTTP_PROXY https_proxy HTTPS_PROXY
+fi
+
+############################################################
+# /tmp/krb5cc_0 软链（从 mlxrc 挪过来）
+############################################################
+if [[ ! -e /tmp/krb5cc_0 && ! -L /tmp/krb5cc_0 ]]; then
+    ln -s /opt/tiger/.krb5cc_0 /tmp/krb5cc_0 2>/dev/null || true
+fi
+
+############################################################
+# for hdfs（原 prep_env.sh 中的逻辑）
+############################################################
+if ! grep -q "source import_hdfs_envs.sh" ~/.bashrc 2>/dev/null
+then
+    if command -v import_hdfs_envs.sh > /dev/null 2>&1 && [[ $(which import_hdfs_envs.sh) != *"pyenv/"* ]]; then
+      source import_hdfs_envs.sh
+    else
+      echo "pyenv env, skip hdfs init, please refer to: https://bytedance.larkoffice.com/docx/T9IrdzKRSomwOOxqbUOcRZyLnqh to do hdfs init manually"
+    fi
+fi
+
+############################################################
+# 代理相关
+############################################################
+unset HTTPS_PROXY
+
+############################################################
+# 一次性加载 workspace 级别 env
+############################################################
+if [[ "$WORKSPACE_ENVS_SET" != "1" ]]; then
+    envfile="/etc/.container_env"
+    if [[ -f $envfile ]]; then
+        while IFS= read -r line; do
+            if [[ ! -v ${line%%=*} ]]; then # env is not set
+                export "${line%%=*}=${line#*=}"
+            fi
+        done <"$envfile"
+    fi
+
+    if [[ -n "${ZSH_VERSION}" ]]; then
+        cur_dir="$(cd "$(dirname "$0")" && pwd)"
+        if [[ "$ARNOLD_WORKSPACE_BUILD_ENV" != "dev" ]]; then
+            source "$cur_dir"/zsh_hadoop.sh
+        fi
+    else
+        cur_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+        if [[ "$ARNOLD_WORKSPACE_BUILD_ENV" != "dev" ]]; then
+            source "$cur_dir"/bash_hadoop.sh
+        fi
+    fi
+
+    source "$cur_dir"/common_env.sh
+
+    # 原来这里设置 PATH=/workspace:$PATH，下面会统一 double-check PATH，再保证 /workspace 在 PATH 里
+    export PATH=/workspace:$PATH
+
+    # 从 code-server 进来的 WORKSPACE_PASSWORD
+    if [[ -z "${WORKSPACE_PASSWORD}" ]]; then
+        export WORKSPACE_PASSWORD="$(ps -ef | grep -oP 'vscode-token\ \K.*' | head -n 1)"
+    fi
+
+    export WORKSPACE_ENVS_SET=1
+fi
+
+############################################################
+# Double check PATH
+# 保证以下目录全部在 PATH 中（合并了原 prep_env.sh + mlxrc 的目录）
+############################################################
+for i in \
+    "$HOME/.local/bin" \
+    "$HOME/bin" \
+    "/workspace" \
+    "/usr/local/bvc/bin" \
+    "/opt/tiger/arnold/bin" \
+    "/opt/tiger/consul_deploy/bin/go" \
+    "/opt/tiger/spark_deploy/spark-3.2/spark-stable/bin" \
+    "/opt/mlx_deploy/miniconda3/envs/mlx/bin" \
+    "/opt/tiger/mlx_deploy" \
+    "/opt/tiger/ss_bin" \
+    "/opt/tiger/ss_lib/bin" \
+    "/opt/common_tools" \
+    "/opt/tiger/yarn_deploy/hadoop/bin" \
+    "/opt/tiger/yarn_deploy/hive/bin"
+do
+    if [[ ":$PATH:" != *":$i:"* ]]; then
+        PATH="$i:$PATH"
+    fi
+done
+
+# DEVBOX_PATH 单独处理一下（可能是一个长路径）
+if [[ -n "${DEVBOX_PATH}" && ":$PATH:" != *":$DEVBOX_PATH:"* ]]; then
+    PATH="${DEVBOX_PATH}:$PATH"
+fi
+
+export PATH
+
+############################################################
+# worker 级别 env（原 prep_env.sh）
+############################################################
+worker_envfile="/etc/worker_envs_$ARNOLD_WORKER_ID"
+user_worker_envfile="$HOME/.worker_envs/worker_envs_$ARNOLD_WORKER_ID"
+if [[ -f $user_worker_envfile ]]; then
+    while IFS= read -r line; do
+        if [[ ! -v ${line%%=*} ]]; then # env is not set
+            export "${line%%=*}=${line#*=}"
+        fi
+    done <"$user_worker_envfile"
+elif [[ -f $worker_envfile ]]; then
+    while IFS= read -r line; do
+        if [[ ! -v ${line%%=*} ]]; then # env is not set
+            export "${line%%=*}=${line#*=}"
+        fi
+    done <"$worker_envfile"
+fi
+
+############################################################
+# PS1（原 prep_env.sh）
+############################################################
+if [[ -z "${ZSH_VERSION}" ]]; then
+    if [[ -n "${ARNOLD_WORKER_ID}" ]]; then
+        export PS1='\[\033[01;32m\]\u@$ARNOLD_WORKER_ID.worker:\W\[\033[00m\]\$ \[\]'
+    elif [[ -n "${ARNOLD_WORKSPACE_ID}" ]]; then
+        export PS1='\[\033[01;34m\]\u@$ARNOLD_WORKSPACE_ID.master:\W\[\033[00m\]\$ \[\]'
+    else
+        export PS1='\u@\h:\W\$ '
+    fi
+fi
+
+############################################################
+# 从 镜像中继承 PYTHONPATH、PATH、LD_LIBRARY_PATH 等关键环境变量
+############################################################
+
+envfile="/etc/.env"
+env_white_list="PYTHONPATH PATH LD_LIBRARY_PATH" # 需要去重的环境变量列表
+
+# 定义一个函数，用于对冒号分隔的环境变量去重
+deduplicate_env() {
+    local var_value="$1"
+    echo "$var_value" | awk -v RS=':' '!a[$0]++ {
+        if (NR > 1) printf(":");
+        printf("%s", $0)
+    }'
+}
+
+if [[ -f "$envfile" ]]; then
+    while IFS= read -r line || [[ -n "$line" ]]; do
+        # 跳过注释行和空行
+        [[ "$line" =~ ^[[:space:]]*# ]] && continue
+        [[ "$line" =~ ^[[:space:]]*$ ]] && continue
+
+        # 提取变量名和值
+        var_name="${line%%=*}"
+        var_value="${line#*=}"
+
+        # 检查变量名是否有效
+        [[ "$var_name" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]] || continue
+
+        if [[ " $env_white_list " == *" $var_name "* ]]; then
+            # 变量已设置且在白名单中，追加新值并去重
+            existing_value="${!var_name}"
+            if [[ -n "$existing_value" ]]; then
+                new_value="$var_value:$existing_value"
+                dedup_value=$(deduplicate_env "$new_value")
+                export "$var_name=$dedup_value"
+            else
+                export "$var_name=$var_value"
+            fi
+        fi
+    done <"$envfile"
+fi
+
+############################################################
+# GPU 相关（原 prep_env.sh）
+############################################################
+if [[ -n $NVIDIA_VISIBLE_DEVICES && $NVIDIA_VISIBLE_DEVICES != 'none' ]]; then
+    cur_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+    source "$cur_dir"/nvidia.sh
+fi