diff --git a/src/linktools/__main__.py b/src/linktools/__main__.py
index e2d059d8..9cec009b 100644
--- a/src/linktools/__main__.py
+++ b/src/linktools/__main__.py
@@ -123,7 +123,7 @@ def run(self, args: [str]) -> Optional[int]:
                 node.add(f"👉 {command.category.prefix}[bold red]{command.name}[/bold red]: {command.description}")
 
         console = get_console()
-        if environ.description:
+        if environ.description != NotImplemented:
             console.print(environ.description, highlight=False)
         console.print(tree, highlight=False)
 
diff --git a/src/linktools/_environ.py b/src/linktools/_environ.py
index 23c30b06..6e0ec691 100644
--- a/src/linktools/_environ.py
+++ b/src/linktools/_environ.py
@@ -230,14 +230,21 @@ def version(self) -> str:
         """
         模块版本号
         """
-        return ""
+        return NotImplemented
 
     @property
     def description(self) -> str:
         """
         模块描述
         """
-        return ""
+        return NotImplemented
+
+    @property
+    def root_path(self):
+        """
+        模块路径
+        """
+        raise NotImplemented
 
     @cached_property
     def data_path(self):
@@ -278,6 +285,14 @@ def _get_path(cls, root_path: str, *paths: [str], create: bool = False, create_p
                 os.makedirs(dir_path)
         return target_path
 
+    def get_path(self, *paths: str):
+        """
+        获取模块目录下的子路径
+        """
+        if self.root_path == NotImplemented:
+            raise RuntimeError("root_path not implemented")
+        return self._get_path(self.root_path, *paths)
+
     def get_data_path(self, *paths: str, create_parent: bool = False):
         """
         获取数据目录下的子路径
@@ -435,7 +450,7 @@ def update_config_from_file(self, path: str) -> bool:
         self.logger.debug(f"Unsupported config file: {path}")
         return False
 
-    def update_config_from_directory(self, path: str, recursion: bool = False) -> bool:
+    def update_config_from_dir(self, path: str, recursion: bool = False) -> bool:
         """
         加载配置文件目录，按照扩展名来匹配相应的加载规则
         """
@@ -572,6 +587,7 @@ class Environ(BaseEnviron):
     name = __module_name__
     version = __module_version__
     description = __module_description__
+    root_path = root_path
 
     def _init_config(self, config: Config):
         # 初始化下载相关参数
diff --git a/src/linktools/cli/_command.py b/src/linktools/cli/_command.py
index 88e8a8a9..a23900c0 100644
--- a/src/linktools/cli/_command.py
+++ b/src/linktools/cli/_command.py
@@ -87,7 +87,7 @@ def parse_known_args(self, args: List[str] = None) -> Tuple[Namespace, List[str]
     @cached_property
     def _argument_parser(self) -> ArgumentParser:
         description = self.description.strip()
-        if description and self.environ.description:
+        if description and self.environ.description != NotImplemented:
             description += os.linesep + os.linesep
             description += self.environ.description
 
@@ -137,7 +137,7 @@ def __call__(self, parser, namespace, values, option_string=None):
                 if option_string in self.option_strings:
                     command_self.environ.show_log_level = not option_string.startswith("--no-")
 
-        if self.environ.version:
+        if self.environ.version != NotImplemented:
             parser.add_argument("--version", action="version", version=self.environ.version)
 
         group = parser.add_argument_group(title="log arguments")