diff --git a/.gitignore b/.gitignore
index 2483976..41c2fdf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
+.gitignore
 .idea/
 __pycache__/
+dist/
+easier_docker.egg-info/
+venv/
diff --git a/MANIFEST.in b/MANIFEST.in
index 6868d6f..c2561c7 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,8 @@
 exclude *.log
 exclude __pycache__
 exclude .idea
+exclude .git
+exclude venv
+exclude dist
+exclude build
+exclude *.egg-info
\ No newline at end of file
diff --git a/easierdocker/config_run.py b/easierdocker/__main__.py
similarity index 81%
rename from easierdocker/config_run.py
rename to easierdocker/__main__.py
index 4f6b721..78cc354 100644
--- a/easierdocker/config_run.py
+++ b/easierdocker/__main__.py
@@ -1,7 +1,6 @@
-#!/usr/bin/env python
 import json
 import os
-from argparse import ArgumentParser
+from argparse import ArgumentParser, FileType
 
 from easierdocker.config import Config
 from easierdocker.log_re import log
@@ -10,10 +9,14 @@
 
 def main():
     parser = ArgumentParser()
-    parser.add_argument('--config', '-c', help='configuration file path')
+    parser.add_argument('--config', '-c', help='configuration file path: yaml, yml and json', required=True)
     args = parser.parse_args()
     config_path = os.path.abspath(args.config) if args.config else None
     config = Config(config_path).load_file()
     log(f"config =\n {json.dumps(config, sort_keys=False, indent=4, separators=(',', ': '))}")
     easier_docker = EasierDocker(config)
     easier_docker.start()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/easierdocker/easier_docker.py b/easierdocker/easier_docker.py
index 03906f9..e57c81a 100644
--- a/easierdocker/easier_docker.py
+++ b/easierdocker/easier_docker.py
@@ -10,17 +10,33 @@
 
 class EasierDocker:
     def __init__(self, config: dict):
+        self._config = config
+        self._image_name = self._config['image']
+        self._container_name = self._config['name']
         try:
             self._client = docker.from_env()
         except Exception as e:
             if isinstance(e, DockerException):
                 raise DockerConnectionError
             raise e
-        self.config = config
-        self.image_name = self.config['image']
-        self.container_name = self.config['name']
 
-    def _get_image(self):
+    @property
+    def config(self):
+        return self._config
+
+    @property
+    def client(self):
+        return self._client
+
+    @property
+    def image_name(self):
+        return self._image_name
+
+    @property
+    def container_name(self):
+        return self._container_name
+
+    def __get_image(self):
         log(f'Find docker image: [{self.image_name}] locally...')
         try:
             self._client.images.get(self.image_name)
@@ -39,7 +55,7 @@ def _get_image(self):
             else:
                 log(str(e))
 
-    def _get_container(self) -> Union[Container, None]:
+    def __get_container(self) -> Union[Container, None]:
         log(f'Find docker container: [{self.container_name}] locally...')
         containers = self._client.containers.list(all=True)
         for container in containers:
@@ -54,7 +70,7 @@ def _get_container(self) -> Union[Container, None]:
         log(f'ContainerNotFound: [{self.container_name}], it will be created')
         return None
 
-    def _run_container(self):
+    def __run_container(self):
         try:
             container: Container = self._client.containers.run(**self.config)
             log(f'Container name: [{container.name}] is running')
@@ -71,9 +87,9 @@ def _run_container(self):
             raise e
 
     def start(self):
-        self._get_image()
-        container = self._get_container()
+        self.__get_image()
+        container = self.__get_container()
         if container:
             container.start()
         else:
-            self._run_container()
+            self.__run_container()
diff --git a/easierdocker/easier_docker.pyi b/easierdocker/easier_docker.pyi
index b3c271e..2657df3 100644
--- a/easierdocker/easier_docker.pyi
+++ b/easierdocker/easier_docker.pyi
@@ -1,32 +1,60 @@
+import docker
 from typing import Union
 from docker.models.containers import Container
 from docker import DockerClient
 
 
 class EasierDocker:
-    _client: DockerClient
-
     def __init__(self, config: dict) -> None:
-        self.config = config
-        self.image_name = self.config['image']
-        self.container_name = self.config['name']
+        self._config = config
+        self._image_name = self._config['image']
+        self._container_name = self._config['name']
+        self._client: DockerClient() = docker.from_env()
         """
             Initialize client, config, image name, container name
         """
 
-    def _get_image(self) -> None:
+    @property
+    def config(self) -> dict:
+        """
+            Return the config.
+        """
+        return self._config
+
+    @property
+    def image_name(self) -> str:
+        """
+            Return the image name.
+        """
+        return self._image_name
+
+    @property
+    def container_name(self) -> str:
+        """
+            Return the container name.
+        """
+        return self._container_name
+
+    @property
+    def client(self) -> DockerClient:
+        """
+            Return the client.
+        """
+        return self._client
+
+    def __get_image(self) -> None:
         """
             Search for the image that exists locally. If it does not exist, the image will be pulled.
         """
         ...
 
-    def _get_container(self) -> Union[Container, None]:
+    def __get_container(self) -> Union[Container, None]:
         """
             Find and return the locally existing container.
         """
         ...
 
-    def _run_container(self) -> None:
+    def __run_container(self) -> None:
         """
             Start the found container. If the container does not exist, it will create one according to the image.
         """
diff --git a/setup.py b/setup.py
index 23033fd..540a90e 100644
--- a/setup.py
+++ b/setup.py
@@ -2,8 +2,8 @@
 
 setup(
     name='easier-docker',
-    version='2.1.0',
-    author='weiensong',
+    version='2.1.1',
+    author='EnSong Wei',
     author_email='touer0018@gmail.com',
     description='It can create a container based on the local image. If the image does not exist, the image will be '
                 'pulled down. If the container exists, it will be started directly. Then execute any service you want '
@@ -19,7 +19,8 @@
     ],
     entry_points={
         'console_scripts': [
-            'easier-docker=easierdocker.config_run:main',
+            'easier-docker=easierdocker.__main__:main',
+
         ],
     },
     classifiers=[