diff --git a/Changelog.md b/Changelog.md
index 79841cc..95def24 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,4 +1,10 @@
-# 0.08
+# 0.0.9
+
+## 新特性
+
++ 可以使用`@regist_config_file_parser(config_file_name)`来注册如何解析特定命名的配置文件
+
+# 0.0.8
 
 ## 新特性
 
diff --git a/README.md b/README.md
index f4a8c60..a3bd254 100644
--- a/README.md
+++ b/README.md
@@ -362,10 +362,19 @@ class Test_A(EntryPoint):
     default_config_file_paths = [
         "/test_config.json",
         str(Path.home().joinpath(".test_config.json")),
-        "./test_config.json"
+        "./test_config.json",
+        "./test_config_other.json"
     ]
 ```
 
+##### 指定特定命名的配置文件的解析方式
+
+可以使用`@regist_config_file_parser(config_file_name)`来注册如何解析特定命名的配置文件.
+
+```python
+
+```
+
 #### 从环境变量中读取配置参数
 
 要从环境变量中读取配置必须设置`schema`字段,`EntryPoint`会按照其中`properties`字段定义的字段范围和字段类型解析环境变量.
@@ -435,6 +444,29 @@ def main(a,b):
 
 ```
 
+另一种指定入口函数的方法是重写子类的`do_main(self)->None`方法
+
+```python
+class Test_A(EntryPoint):
+    argparse_noflag = "a"
+    argparse_check_required=True
+    schema = {
+        "$schema": "http://json-schema.org/draft-07/schema#",
+        "type": "object",
+        "properties": {
+            "a": {
+                "type": "number"
+            },
+            "b": {
+                "type": "number"
+            }
+        },
+        "required": ["a","b"]
+    }
+    def do_main(self)->None:
+        print(self.config)
+```
+
 #### 直接从节点对象中获取配置
 
 节点对象的`config`属性会在每次调用时copy一份当前的配置值,config是不可写的.
diff --git a/schema_entry/entrypoint.py b/schema_entry/entrypoint.py
index 4ddcfb1..b3c9544 100644
--- a/schema_entry/entrypoint.py
+++ b/schema_entry/entrypoint.py
@@ -44,6 +44,7 @@ class EntryPoint(EntryPointABC):
 
     argparse_check_required = False
     argparse_noflag = None
+    _config_file_parser_map: Dict[str, Callable[[Path], Dict[str, Any]]] = {}
 
     def _check_schema(self) -> None:
         if self.schema is not None:
@@ -248,6 +249,15 @@ def parse_yaml_configfile_args(self, p: Path) -> Dict[str, Any]:
             return res
         return result
 
+    def regist_config_file_parser(self, file_name: str) -> Callable[[Callable[[Path], Dict[str, Any]]], Callable[[Path], Dict[str, Any]]]:
+        def decorate(func: Callable[[Path], Dict[str, Any]]) -> Callable[[Path], Dict[str, Any]]:
+            @functools.wraps(func)
+            def wrap(p: Path) -> Dict[str, Any]:
+                return func(p)
+            self._config_file_parser_map[file_name] = func
+            return wrap
+        return decorate
+
     def parse_configfile_args(self) -> Dict[str, Any]:
         if not self.default_config_file_paths:
             return {}
@@ -255,6 +265,9 @@ def parse_configfile_args(self) -> Dict[str, Any]:
             for p_str in self.default_config_file_paths:
                 p = Path(p_str)
                 if p.is_file():
+                    parfunc = self._config_file_parser_map.get(p.name)
+                    if parfunc:
+                        return parfunc(p)
                     if p.suffix == ".json":
                         return self.parse_json_configfile_args(p)
                     elif p.suffix == ".yml":
diff --git a/schema_entry/entrypoint_base.py b/schema_entry/entrypoint_base.py
index aeb3c64..4806b54 100644
--- a/schema_entry/entrypoint_base.py
+++ b/schema_entry/entrypoint_base.py
@@ -1,6 +1,7 @@
 """入口类的抽象基类."""
 import abc
 import argparse
+from pathlib import Path
 from typing import Callable, Sequence, Dict, Any, Optional, List, Union, Tuple
 
 
@@ -40,6 +41,7 @@ class EntryPointABC(abc.ABC):
 
     _subcmds: Dict[str, "EntryPointABC"]
     _main: Optional[Callable[..., None]]
+    _config_file_parser_map: Dict[str, Callable[[Path], Dict[str, Any]]]
     _config: Dict[str, Any]
 
     @abc.abstractproperty
@@ -79,6 +81,19 @@ def regist_sub(self, subcmdclz: type) -> "EntryPointABC":
             [EntryPointABC]: 注册类的实例
 
         '''
+
+    @abc.abstractmethod
+    def regist_config_file_parser(self, file_name: str) -> Callable[[Callable[[Path], Dict[str, Any]]], Callable[[Path], Dict[str, Any]]]:
+        '''注册特定配置文件名的解析方式.
+
+        Args:
+            file_name (str): 指定文件名
+
+        Returns:
+            Callable[[Callable[[Path], None]], Callable[[Path], None]]: 注册的解析函数
+
+        '''
+
     @abc.abstractmethod
     def as_main(self, func: Callable[..., None]) -> Callable[..., None]:
         """注册函数在解析参数成功后执行.
diff --git a/setup.cfg b/setup.cfg
index 5b8c1e2..c4ed7c6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = schema_entry
-version = 0.0.8
+version = 0.0.9
 url = https://github.com/Python-Tools/schema_entry
 author = hsz
 author_email = hsz1273327@gmail.com
diff --git a/tests/test_entrypoint.py b/tests/test_entrypoint.py
index 379ad5b..39c33d0 100644
--- a/tests/test_entrypoint.py
+++ b/tests/test_entrypoint.py
@@ -59,6 +59,25 @@ def _(a_a: float) -> None:
 
         assert root.usage == "test_a [options]"
 
+    def test_override_do_main(self) -> None:
+        class Test_A(EntryPoint):
+            schema = {
+                "$schema": "http://json-schema.org/draft-07/schema#",
+                "type": "object",
+                "properties": {
+                    "a_a": {
+                        "type": "number",
+                        "default": 33.3
+                    }
+                },
+                "required": ["a_a"]
+            }
+            def do_main(self):
+                assert self.config["a_a"]==33.3
+        root = Test_A()
+        root([])
+
+
     def test_default_subcmd_usage(self) -> None:
         class A(EntryPoint):
             pass