diff --git a/nonebot_plugin_marshoai/plugin/models.py b/nonebot_plugin_marshoai/plugin/models.py
index c0e0ca81..ab96e426 100644
--- a/nonebot_plugin_marshoai/plugin/models.py
+++ b/nonebot_plugin_marshoai/plugin/models.py
@@ -3,6 +3,8 @@ from typing import Any
 
 from pydantic import BaseModel
 
+from .typing import ASYNC_FUNCTION_CALL_FUNC
+
 
 class PluginMetadata(BaseModel):
     """
@@ -67,3 +69,75 @@ class Plugin(BaseModel):
 
     def __eq__(self, other: Any) -> bool:
         return self.name == other.name
+
+
+class FunctionCallArgument(BaseModel):
+    """
+    插件函数参数对象
+
+    Attributes:
+    ----------
+    name: str
+        参数名称
+    type: str
+        参数类型 string integer等
+    description: str
+        参数描述
+    """
+
+    type_: str
+    """参数类型描述 string integer等"""
+    description: str
+    """参数描述"""
+    default: Any = None
+    """默认值"""
+
+    def data(self) -> dict[str, Any]:
+        return {"type": self.type_, "description": self.description}
+
+
+class FunctionCall(BaseModel):
+    """
+    插件函数对象
+
+    Attributes:
+    ----------
+    name: str
+        函数名称
+    func: "FUNCTION_CALL"
+        函数对象
+    """
+
+    name: str
+    """函数名称 module.func"""
+    description: str
+    """函数描述 这个函数用于获取天气信息"""
+    arguments: dict[str, FunctionCallArgument]
+    """函数参数信息"""
+    function: ASYNC_FUNCTION_CALL_FUNC
+    """函数对象"""
+
+    class Config:
+        arbitrary_types_allowed = True
+
+    def __hash__(self) -> int:
+        return hash(self.name)
+
+    def data(self) -> dict[str, Any]:
+        """生成函数描述信息
+
+        Returns:
+            dict[str, Any]: 函数描述信息 字典
+        """
+        return {
+            "type": "function",
+            "function": {
+                "name": self.name,
+                "description": self.description,
+                "parameters": {
+                    "type": "object",
+                    "properties": {k: v.data() for k, v in self.arguments.items()},
+                },
+                "required": [k for k, v in self.arguments.items() if v.default is None],
+            },
+        }
diff --git a/nonebot_plugin_marshoai/plugin/register.py b/nonebot_plugin_marshoai/plugin/register.py
index 609bf3ce..1f281332 100644
--- a/nonebot_plugin_marshoai/plugin/register.py
+++ b/nonebot_plugin_marshoai/plugin/register.py
@@ -4,18 +4,20 @@
 import inspect
 from typing import Any, Callable, Coroutine, TypeAlias
 
-import nonebot
+from nonebot import logger
 
+from .models import FunctionCall, FunctionCallArgument
+from .typing import (
+    ASYNC_FUNCTION_CALL_FUNC,
+    FUNCTION_CALL_FUNC,
+    SYNC_FUNCTION_CALL_FUNC,
+)
 from .utils import is_coroutine_callable
 
-SYNC_FUNCTION_CALL: TypeAlias = Callable[..., str]
-ASYNC_FUNCTION_CALL: TypeAlias = Callable[..., Coroutine[str, Any, str]]
-FUNCTION_CALL: TypeAlias = SYNC_FUNCTION_CALL | ASYNC_FUNCTION_CALL
-
-_loaded_functions: dict[str, FUNCTION_CALL] = {}
+_loaded_functions: dict[str, FUNCTION_CALL_FUNC] = {}
 
 
-def async_wrapper(func: SYNC_FUNCTION_CALL) -> ASYNC_FUNCTION_CALL:
+def async_wrapper(func: SYNC_FUNCTION_CALL_FUNC) -> ASYNC_FUNCTION_CALL_FUNC:
     """将同步函数包装为异步函数，但是不会真正异步执行，仅用于统一调用及函数签名
 
     Args:
@@ -31,7 +33,7 @@ def async_wrapper(func: SYNC_FUNCTION_CALL) -> ASYNC_FUNCTION_CALL:
     return wrapper
 
 
-def function_call(*funcs: FUNCTION_CALL):
+def function_call(*funcs: FUNCTION_CALL_FUNC) -> None:
     """返回一个装饰器，装饰一个函数, 使其注册为一个可被AI调用的function call函数
 
     Args:
@@ -41,15 +43,20 @@ def function_call(*funcs: FUNCTION_CALL):
         str: 函数定义信息
     """
     for func in funcs:
-        if module := inspect.getmodule(func):
-            module_name = module.__name__ + "."
-        else:
-            module_name = ""
-        name = func.__name__
-        if not is_coroutine_callable(func):
-            func = async_wrapper(func)  # type: ignore
+        function_call = get_function_info(func)
+        # TODO: 注册函数
 
-        _loaded_functions[name] = func
-        nonebot.logger.opt(colors=True).info(
-            f"加载 function call: <c>{module_name}{name}</c>"
-        )
+
+def get_function_info(func: FUNCTION_CALL_FUNC):
+    """获取函数信息
+
+    Args:
+        func: 函数对象
+
+    Returns:
+        FunctionCall: 函数信息对象模型
+    """
+    name = func.__name__
+    description = func.__doc__
+    logger.info(f"注册函数: {name} {description}")
+    # TODO: 获取函数参数信息
diff --git a/nonebot_plugin_marshoai/plugin/typing.py b/nonebot_plugin_marshoai/plugin/typing.py
new file mode 100644
index 00000000..1618dc26
--- /dev/null
+++ b/nonebot_plugin_marshoai/plugin/typing.py
@@ -0,0 +1,5 @@
+from typing import Any, Callable, Coroutine, TypeAlias
+
+SYNC_FUNCTION_CALL_FUNC: TypeAlias = Callable[..., str]
+ASYNC_FUNCTION_CALL_FUNC: TypeAlias = Callable[..., Coroutine[str, Any, str]]
+FUNCTION_CALL_FUNC: TypeAlias = SYNC_FUNCTION_CALL_FUNC | ASYNC_FUNCTION_CALL_FUNC