diff --git a/README-en.md b/README-en.md
index 415dc8a..3934aa1 100644
--- a/README-en.md
+++ b/README-en.md
@@ -1,73 +1,107 @@
 # askchat
+
 [![PyPI version](https://img.shields.io/pypi/v/askchat.svg)](https://pypi.python.org/pypi/askchat)
-[![Tests](https://github.com/rexwzh/askchat/actions/workflows/test.yml/badge.svg)](https://github.com/rexwzh/askchat/actions/workflows/test.yml/)
-[![Documentation Status](https://img.shields.io/badge/docs-github_pages-blue.svg)](https://rexwzh.github.io/askchat/)
-[![Coverage](https://codecov.io/gh/rexwzh/askchat/branch/main/graph/badge.svg)](https://codecov.io/gh/rexwzh/askchat)
+[![Tests](https://github.com/cubenlp/askchat/actions/workflows/test.yml/badge.svg)](https://github.com/cubenlp/askchat/actions/workflows/test.yml/)
+[![Documentation Status](https://img.shields.io/badge/docs-github_pages-blue.svg)](https://cubenlp.github.io/askchat/)
+[![Coverage](https://codecov.io/gh/cubenlp/askchat/branch/main/graph/badge.svg)](https://codecov.io/gh/cubenlp/askchat)
 
-[English](README-en.md) | [简体中文](README.md)
+[English](README-en.md) | [Simplified Chinese](README.md)
 
-Interact with ChatGPT in terminal via chattool.
+Invoke ChatGPT from the command line.
 
 ## Installation
 
 ```bash
-pip install askchat
+pip install askchat --upgrade
 ```
 
-## Usage
+## How to Use
+
+Run simply with the default environment variables:
 
-A simple way:
 ```bash
 ask hello
 ```
 
-Ask with more options via `askchat`:
+Specify other options via `askchat`:
+
 ```bash
-# ask with a specific model
-askchat hello -m "baichuan2" --base_url "localhost:8000"
+# Ask using a specific model
+askchat hello -m "baichuan2" --base-url "localhost:8000"
 ```
 
-Generate config file for default options:
+Generate a default configuration file via environment variables, edit the configuration in `~/.askchat/.env`:
+
 ```bash
 askchat --generate-config
 ```
 
-You might edit the config at `~/.askchat/.env`.
+## Chat Options
 
-Other options:
 ```bash
-# current version
-askchat -v 
-# print the debug log
+# Show the current version
+askchat -v
+
+# Print debug logs
 askchat --debug
-# get valid models that contains "gpt"
+
+# Get valid models that include "gpt"
 askchat --valid-models
-# get all valid models
+
+# Get all valid models
 askchat --all-valid-models
 ```
 
-## Advance usage
 
-You can manage your chats with `askchat`:
+## Managing Conversation History
+
+Manage conversations using `askchat`:
 
 ```bash
 askchat hello
-# continue the last chat: -c
-askchat -c tell me a joke please
-# regenerate the last conversation: -r
+# Continue the last conversation: -c
+askchat -c please tell me a joke
+# Regenerate the last conversation: -r
 askchat -r
-# regenerate the last conversation with new message: -r
+# Modify and regenerate the last conversation: -r
 askchat -r give me some jokes please
-# save the chat: -s/--save
+# Save the conversation: -s/--save
 askchat -s joke
-# load the chat: -l/--load
+# Load a conversation: -l/--load
 askchat -l joke
-# delete the chat: -d/--delete
+# Delete a conversation: -d/--delete
 askchat -d joke
-# list all saved chats: --list
+# List all saved conversations: --list
 askchat --list
-# print the last chat: -p/--print
+# Print the last conversation: -p/--print
 askchat -p
-# print the given chat: -p/--print
+# Print a specific conversation: -p/--print
 askchat -p joke
 ```
+
+## Managing Environment Configuration
+
+Manage different environment configurations with `chatenv`:
+
+```bash
+# Create a new environment
+chatenv create <name> [--api-key "<api_key>"] [--base-url "<base_url>"] [--api-base "<api_base>"] [--model "<model_name>"]
+
+# Activate a specified environment
+chatenv use <name>
+
+# Update environment configuration
+chatenv config [<name>] [--api-key "<new_api_key>"] [--base-url "<new_base_url>"] [--api-base "<new_api_base>"] [--model "<new_model_name>"]
+
+# List all environments
+chatenv list
+
+# Show variables of a specified or default environment
+chatenv show [<name>]
+
+# Save the current environment as a new environment file
+chatenv save <name>
+
+# Delete a specified or the default environment configuration
+chatenv delete [<name>] [--default]
+```
\ No newline at end of file
diff --git a/README.md b/README.md
index 5d4e5f1..b454970 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 # askchat
 
-[![PyPI版本](https://img.shields.io/pypi/v/askchat.svg)](https://pypi.python.org/pypi/askchat)
-[![测试](https://github.com/rexwzh/askchat/actions/workflows/test.yml/badge.svg)](https://github.com/rexwzh/askchat/actions/workflows/test.yml/)
-[![文档状态](https://img.shields.io/badge/docs-github_pages-blue.svg)](https://rexwzh.github.io/askchat/)
-[![覆盖率](https://codecov.io/gh/rexwzh/askchat/branch/main/graph/badge.svg)](https://codecov.io/gh/rexwzh/askchat)
+[![PyPI version](https://img.shields.io/pypi/v/askchat.svg)](https://pypi.python.org/pypi/askchat)
+[![Tests](https://github.com/cubenlp/askchat/actions/workflows/test.yml/badge.svg)](https://github.com/cubenlp/askchat/actions/workflows/test.yml/)
+[![Documentation Status](https://img.shields.io/badge/docs-github_pages-blue.svg)](https://cubenlp.github.io/askchat/)
+[![Coverage](https://codecov.io/gh/cubenlp/askchat/branch/main/graph/badge.svg)](https://codecov.io/gh/cubenlp/askchat)
 
 [English](README-en.md) | [简体中文](README.md)
 
@@ -17,40 +17,42 @@ pip install askchat --upgrade
 
 ## 使用方法
 
-简单运行方式，使用默认的环境变量：
+使用默认的环境变量进行简单运行：
+
 ```bash
 ask hello
 ```
 
 通过 `askchat` 指定其他选项：
+
 ```bash
 # 使用特定模型提问
-askchat hello -m "baichuan2" --base_url "localhost:8000"
+askchat hello -m "baichuan2" --base-url "localhost:8000"
 ```
 
-通过环境变量生成默认的配置文件，可以在 `~/.askchat/.env` 中编辑配置
-```bash
-askchat --generate-config
-```
+通过环境变量生成默认的配置文件，在 `~/.askchat/.env` 中编辑配置：
 
-修改配置参数，比如
 ```bash
-askchat --config --api-key "your_api_key"
+askchat --generate-config
 ```
 
+## 聊天选项
 
-其他选项：
 ```bash
-# 当前版本
-askchat -v 
+# 显示当前版本
+askchat -v
+
 # 打印调试日志
 askchat --debug
-# 获取包含"gpt"的有效模型
+
+# 获取包含 "gpt" 的有效模型
 askchat --valid-models
+
 # 获取所有有效模型
 askchat --all-valid-models
 ```
 
+
 ## 管理对话记录
 
 使用 `askchat` 管理对话：
@@ -75,4 +77,32 @@ askchat --list
 askchat -p
 # 打印指定的对话：-p/--print
 askchat -p joke
-```
\ No newline at end of file
+```
+
+## 管理环境配置
+
+通过 `chatenv` 管理不同的环境配置：
+
+```bash
+# 创建新环境
+chatenv create <name> [--api-key "<api_key>"] [--base-url "<base_url>"] [--api-base "<api_base>"] [--model "<model_name>"]
+
+# 激活指定环境
+chatenv use <name>
+
+# 更新环境配置
+chatenv config [<name>] [--api-key "<new_api_key>"] [--base-url "<new_base_url>"] [--api-base "<new_api_base>"] [--model "<new_model_name>"]
+
+# 列出所有环境
+chatenv list
+
+# 显示指定环境或默认环境的变量
+chatenv show [<name>]
+
+# 保存当前环境为一个新的环境文件
+chatenv save <name>
+
+# 删除指定的环境或默认环境配置
+chatenv delete [<name>] [--default]
+```
+
diff --git a/askchat/__init__.py b/askchat/__init__.py
index 5c172e9..af71df3 100644
--- a/askchat/__init__.py
+++ b/askchat/__init__.py
@@ -2,7 +2,7 @@
 
 __author__ = """Rex Wang"""
 __email__ = '1073853456@qq.com'
-__version__ = '0.3.4'
+__version__ = '0.4.0'
 
 import asyncio
 
@@ -30,4 +30,4 @@ def write_var(f, var, value, desc):
 
         write_var(f, "OPENAI_API_KEY", api_key, "Your API key")
         write_var(f, "OPENAI_API_MODEL", model, "The model name\n" +\
-                    "# You can use `askchat --all-valid-models` to see the valid models")
\ No newline at end of file
+                    "# You can use `askchat --all-valid-models` to see supported models")
\ No newline at end of file
diff --git a/askchat/chatenvs.py b/askchat/chatenv.py
similarity index 75%
rename from askchat/chatenvs.py
rename to askchat/chatenv.py
index 40aaf54..e5af1e3 100644
--- a/askchat/chatenvs.py
+++ b/askchat/chatenv.py
@@ -10,7 +10,7 @@
 
 @click.group()
 def cli():
-    """askenvs CLI for managing askchat environments."""
+    """chatenv CLI for managing askchat environments."""
     if not ENV_PATH.exists():
         ENV_PATH.mkdir(parents=True)
 
@@ -36,7 +36,7 @@ def create(name, api_key, base_url, api_base, model):
     config_path = ENV_PATH / f'{name}.env'
     if config_path.exists():
         click.echo(f"Environment '{name}' already exists." +\
-                   "Use 'askenvs delete' to delete it first.")
+                   "Use 'chatenv delete' to delete it first.")
     else:
         write_config(config_path, api_key, model, base_url, api_base)
         click.echo(f"Environment '{name}' created.")
@@ -65,14 +65,18 @@ def delete(name, default):
             click.echo(f"Environment '{name}' not found.")
 
 @cli.command()
-def current():
-    """Print current environment variables."""
-    if MAIN_ENV_PATH.exists():
-        with MAIN_ENV_PATH.open() as f:
+@click.argument('name', required=False)
+def show(name):
+    """Print environment variables. Show default if no name is provided."""
+    config_path = ENV_PATH / f'{name}.env' if name else MAIN_ENV_PATH
+    if config_path.exists():
+        with config_path.open() as f:
             click.echo(f.read())
     else:
-        click.echo("No active environment." +\
-                   "You can use `askchat --generate-config` to create one.")
+        if name:
+            click.echo(f"Environment '{name}' not found.")
+        else:
+            click.echo("No active environment. You can use `chatenv create` to create one.")
 
 @cli.command()
 @click.argument('name')
@@ -88,7 +92,7 @@ def save(name):
 
 @cli.command()
 @click.argument('name')
-def activate(name):
+def use(name):
     """Activate an environment by replacing the .env file."""
     config_path = ENV_PATH / f'{name}.env'
     if config_path.exists():
@@ -103,26 +107,25 @@ def activate(name):
 @click.option('-b', '--base-url', help='Base URL of the API (without suffix `/v1`)')
 @click.option('--api-base', help='Base URL of the API (with suffix `/v1`)')
 @click.option('-m', '--model', help='Model name')
-def env(api_key, base_url, api_base, model):
+@click.argument('name', required=False)
+def config(name, api_key, base_url, api_base, model):
     """Update default .env values."""
-    updated = False
-    MAIN_ENV_PATH.touch(exist_ok=True)
+    if not any([api_key, base_url, api_base, model]):
+        click.echo("No updates made. Provide at least one option to update.")
+        return
+    config_path = ENV_PATH / f'{name}.env' if name else MAIN_ENV_PATH
+    if not config_path.exists():
+        click.echo(f"Environment '{config_path}' not found.")
+        return
     if api_key:
-        set_key(MAIN_ENV_PATH, "API_KEY", api_key)
-        updated = True
+        set_key(config_path, "OPENAI_API_KEY", api_key)
     if base_url:
-        set_key(MAIN_ENV_PATH, "BASE_URL", base_url)
-        updated = True
+        set_key(config_path, "OPENAI_API_BASE_URL", base_url)
     if api_base:
-        set_key(MAIN_ENV_PATH, "API_BASE", api_base)
-        updated = True
+        set_key(config_path, "OPENAI_API_BASE", api_base)
     if model:
-        set_key(MAIN_ENV_PATH, "MODEL", model)
-        updated = True
-    if updated:
-        click.echo("Default environment updated.")
-    else:
-        click.echo("No updates made. Provide at least one option to update.")
+        set_key(config_path, "OPENAI_API_MODEL", model)
+    click.echo(f"Environment {config_path} updated.")
 
 if __name__ == '__main__':
     cli()
diff --git a/setup.cfg b/setup.cfg
index 2e21ef8..90feb51 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -10,5 +10,5 @@ addopts = --ignore=setup.py
 console_scripts =
     ask = askchat.ask:main
     askchat = askchat.askchat:main
-    chatenvs = askchat.chatenvs:cli
+    chatenv = askchat.chatenv:cli
 
diff --git a/setup.py b/setup.py
index 615099a..4a1f5de 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 from setuptools import setup, find_packages
 
-VERSION = '0.3.4'
+VERSION = '0.4.0'
 
 with open('README.md') as readme_file:
     readme = readme_file.read()