diff --git a/mbcp/mp_math/mp_math_typing.py b/mbcp/mp_math/mp_math_typing.py
index c7285c3..5190894 100644
--- a/mbcp/mp_math/mp_math_typing.py
+++ b/mbcp/mp_math/mp_math_typing.py
@@ -10,24 +10,24 @@ Copyright (C) 2020-2024 LiteyukiStudio. All Rights Reserved
 """
 from typing import Callable, Iterable, TypeAlias, TypeVar
 
-RealNumber: TypeAlias = int | float
-Number: TypeAlias = RealNumber | complex
-SingleVar = TypeVar("SingleVar", bound=Number)
-ArrayVar = TypeVar("ArrayVar", bound=Iterable[Number])
-Var: TypeAlias = SingleVar | ArrayVar
+RealNumber: TypeAlias = int | float  # 实数
+Number: TypeAlias = RealNumber | complex  # 数
+SingleVar = TypeVar("SingleVar", bound=Number)  # 单变量
+ArrayVar = TypeVar("ArrayVar", bound=Iterable[Number])  # 数组变量
+Var: TypeAlias = SingleVar | ArrayVar  # 变量
 
-OneSingleVarFunc: TypeAlias = Callable[[SingleVar], SingleVar]
-OneArrayFunc: TypeAlias = Callable[[ArrayVar], ArrayVar]
-OneVarFunc: TypeAlias = OneSingleVarFunc | OneArrayFunc
+OneSingleVarFunc: TypeAlias = Callable[[SingleVar], SingleVar]  # 一元单变量函数
+OneArrayFunc: TypeAlias = Callable[[ArrayVar], ArrayVar]  # 一元数组函数
+OneVarFunc: TypeAlias = OneSingleVarFunc | OneArrayFunc  # 一元函数
 
-TwoSingleVarsFunc: TypeAlias = Callable[[SingleVar, SingleVar], SingleVar]
-TwoArraysFunc: TypeAlias = Callable[[ArrayVar, ArrayVar], ArrayVar]
-TwoVarsFunc: TypeAlias = TwoSingleVarsFunc | TwoArraysFunc
+TwoSingleVarsFunc: TypeAlias = Callable[[SingleVar, SingleVar], SingleVar]  # 二元单变量函数
+TwoArraysFunc: TypeAlias = Callable[[ArrayVar, ArrayVar], ArrayVar]  # 二元数组函数
+TwoVarsFunc: TypeAlias = TwoSingleVarsFunc | TwoArraysFunc  # 二元函数
 
-ThreeSingleVarsFunc: TypeAlias = Callable[[SingleVar, SingleVar, SingleVar], SingleVar]
-ThreeArraysFunc: TypeAlias = Callable[[ArrayVar, ArrayVar, ArrayVar], ArrayVar]
-ThreeVarsFunc: TypeAlias = ThreeSingleVarsFunc | ThreeArraysFunc
+ThreeSingleVarsFunc: TypeAlias = Callable[[SingleVar, SingleVar, SingleVar], SingleVar]  # 三元单变量函数
+ThreeArraysFunc: TypeAlias = Callable[[ArrayVar, ArrayVar, ArrayVar], ArrayVar]  # 三元数组函数
+ThreeVarsFunc: TypeAlias = ThreeSingleVarsFunc | ThreeArraysFunc  # 三元函数
 
-MultiSingleVarsFunc: TypeAlias = Callable[..., SingleVar]
-MultiArraysFunc: TypeAlias = Callable[..., ArrayVar]
-MultiVarsFunc: TypeAlias = MultiSingleVarsFunc | MultiArraysFunc
+MultiSingleVarsFunc: TypeAlias = Callable[..., SingleVar]  # 多元单变量函数
+MultiArraysFunc: TypeAlias = Callable[..., ArrayVar]  # 多元数组函数
+MultiVarsFunc: TypeAlias = MultiSingleVarsFunc | MultiArraysFunc  # 多元函数