diff --git a/src/oebuild/command.py b/src/oebuild/command.py
index a87abd3623dfc8ad94dd5bb7a457a14ab5ce0b65..ca5593f5513d4520d8756a0f814ab0c7fe65a402 100644
--- a/src/oebuild/command.py
+++ b/src/oebuild/command.py
@@ -12,7 +12,7 @@ See the Mulan PSL v2 for more details.
 
 from abc import ABC, abstractmethod
 import argparse
-import importlib
+import importlib.util
 from collections import OrderedDict
 import os
 from dataclasses import dataclass
@@ -211,8 +211,10 @@ def _commands_module_from_file(file, mod_name):
     these modules in an (otherwise unpopulated) oebuild.commands.ext
     package.
     '''
-    spec = importlib.util.spec_from_file_location(mod_name, file) # type: ignore
-    mod = importlib.util.module_from_spec(spec) # type: ignore
+    spec = importlib.util.spec_from_file_location(mod_name, file)
+    if spec is None:
+        return None
+    mod = importlib.util.module_from_spec(spec)
     spec.loader.exec_module(mod)
 
     return mod
diff --git a/src/oebuild/m_log.py b/src/oebuild/m_log.py
index 2b6137142af9815482dc4c2a2c8b4e219573c387..6ac7737814e16c4d6b4a01cd573ef14ee40801ba 100644
--- a/src/oebuild/m_log.py
+++ b/src/oebuild/m_log.py
@@ -9,7 +9,7 @@ EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 See the Mulan PSL v2 for more details.
 '''
-
+import sys
 import logging
 import colorama
 
@@ -25,25 +25,19 @@ WRN_COLOR = colorama.Fore.LIGHTYELLOW_EX
 #: Color used (when applicable) for printing with err() and die()
 ERR_COLOR = colorama.Fore.LIGHTRED_EX
 
-# 创建logger对象
 logger = logging.getLogger()
 logger.setLevel(logging.INFO)
 
-# 创建文件处理器
 fh = logging.FileHandler('oebuild.log')
 fh.setLevel(logging.INFO)
 
-# 创建控制台处理器
-ch = logging.StreamHandler()
+ch = logging.StreamHandler(stream=sys.stdout)
 ch.setLevel(logging.INFO)
 
-# 创建格式化器
 formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
 
-# 将格式化器添加到文件处理器和控制台处理器
 fh.setFormatter(formatter)
 ch.setFormatter(formatter)
 
-# 将处理器添加到logger对象
 logger.addHandler(fh)
 logger.addHandler(ch)
diff --git a/src/oebuild/parse_compile.py b/src/oebuild/parse_compile.py
index 385d9524bd712ba03e8a287c1e4ac1b6f8a01ba1..16d46f6a27bbda1105cbd84af047bc21c7571261 100644
--- a/src/oebuild/parse_compile.py
+++ b/src/oebuild/parse_compile.py
@@ -83,7 +83,7 @@ class ParseCompile:
             repos=None if "repos" not in data else ParseTemplate.parse_oebuild_repo(data['repos']),
             local_conf=None if "local_conf" not in data else data['local_conf'],
             layers=None if "layers" not in data else data['layers']
-        ) 
+        )
 
     @property
     def build_in(self):
@@ -205,14 +205,15 @@ class ParseCompile:
         Check whether the compile.yaml content is compliant
         '''
 
-        if "platform" not in data:
-            raise CheckCompileError("the key platform is None")
+        keys = {
+            "platform": "the key platform is None",
+            "machine": "the key machine is None",
+            "toolchain_type": "the key toolchain_type is None"
+            }
 
-        if "machine" not in data:
-            raise CheckCompileError("the key machine is None")
-
-        if "toolchain_type" not in data:
-            raise CheckCompileError("the key toolchain_type is None")
+        for key, value in keys.items():
+            if key not in data:
+                raise CheckCompileError(value)
 
         if "toolchain_dir" in data and data['toolchain_dir'] is not None:
             if not os.path.exists(data['toolchain_dir']):
@@ -220,10 +221,11 @@ class ParseCompile:
 
         if "repos" in data:
             for _, repo in data['repos'].items():
-                if "url" not in repo:
-                    raise CheckCompileError("the key url is None")
-                if "path" not in repo:
-                    raise CheckCompileError("the key path is None")
-                if "refspec" not in repo:
-                    raise CheckCompileError("the key refspec is None")
+                required_keys = {
+                    "url": "the key url is None", 
+                    "path": "the key path is None", 
+                    "refspec": "the key refspec is None"}
+                for key, value in required_keys.items():
+                    if key not in repo:
+                        raise CheckCompileError(value)
                     
\ No newline at end of file
diff --git a/src/oebuild/parse_env.py b/src/oebuild/parse_env.py
index 4cb482c8aebf809263819a9565173a8bab9c00d7..2e8e4a796ab76c149357210e4d8918f9973d75cf 100644
--- a/src/oebuild/parse_env.py
+++ b/src/oebuild/parse_env.py
@@ -10,6 +10,7 @@ MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 See the Mulan PSL v2 for more details.
 '''
 
+from typing import Optional
 from dataclasses import dataclass
 import pathlib
 
@@ -24,7 +25,7 @@ class EnvContainer:
 
     branch: str
 
-    short_id: str or None
+    short_id: Optional[str]
 
     volumns: list
 
@@ -33,7 +34,7 @@ class Env:
     '''
     the env object
     '''
-    container: EnvContainer or None
+    container: Optional[EnvContainer]
 
 class ParseEnv:
     '''
@@ -42,7 +43,7 @@ class ParseEnv:
     '''
     def __init__(self, env_dir):
         self.env_dir = pathlib.Path(env_dir) if isinstance(env_dir, str) else env_dir
-        self.env = Env
+        self.env:Env = Env(container=None)
         self._parse_env()
 
     @property
@@ -82,6 +83,9 @@ class ParseEnv:
         if data.volumns is None:
             raise ValueError("the key volumns is lack")
 
+        if self.env is None:
+            return False
+
         if self.env.container is None:
             return False
 
diff --git a/src/oebuild/version.py b/src/oebuild/version.py
index 3723df2a8a8d401982bdffde9129823e69eae17e..81392fe79a5ff3f7577769a60f20dc25d29af4e7 100644
--- a/src/oebuild/version.py
+++ b/src/oebuild/version.py
@@ -10,4 +10,4 @@ MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 See the Mulan PSL v2 for more details.
 '''
 
-__version__ = '0.0.16'
+__version__ = '0.0.18'