diff --git a/Sanchime.Functional/Core/Products/ICategory.cs b/Sanchime.Functional/Core/Products/ICategory.cs
deleted file mode 100644
index 63915e0..0000000
--- a/Sanchime.Functional/Core/Products/ICategory.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace Sanchime.Functional.Core.Products;
-
-public interface ICategory
-{
-    
-}
diff --git a/Sanchime.Functional/Core/Products/ICombine b/Sanchime.Functional/Core/Products/ICombine
deleted file mode 100644
index c1b0730..0000000
--- a/Sanchime.Functional/Core/Products/ICombine
+++ /dev/null
@@ -1 +0,0 @@
-x
\ No newline at end of file
diff --git a/Sanchime.Functional/Core/Extensions/Action.cs b/Sanchime.Functional/Extensions/Action.cs
similarity index 91%
rename from Sanchime.Functional/Core/Extensions/Action.cs
rename to Sanchime.Functional/Extensions/Action.cs
index a6776f4..53c4d9e 100644
--- a/Sanchime.Functional/Core/Extensions/Action.cs
+++ b/Sanchime.Functional/Extensions/Action.cs
@@ -1,6 +1,6 @@
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class ActionExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Currying.cs b/Sanchime.Functional/Extensions/Currying.cs
similarity index 97%
rename from Sanchime.Functional/Core/Extensions/Currying.cs
rename to Sanchime.Functional/Extensions/Currying.cs
index 46595b5..728e745 100644
--- a/Sanchime.Functional/Core/Extensions/Currying.cs
+++ b/Sanchime.Functional/Extensions/Currying.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 /// <summary>
 /// 该类是对Func委托实现柯里化的扩展
diff --git a/Sanchime.Functional/Core/Extensions/Either.cs b/Sanchime.Functional/Extensions/Either.cs
similarity index 97%
rename from Sanchime.Functional/Core/Extensions/Either.cs
rename to Sanchime.Functional/Extensions/Either.cs
index 508712a..ee61f21 100644
--- a/Sanchime.Functional/Core/Extensions/Either.cs
+++ b/Sanchime.Functional/Extensions/Either.cs
@@ -1,6 +1,6 @@
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class EitherExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Enum.cs b/Sanchime.Functional/Extensions/Enum.cs
similarity index 77%
rename from Sanchime.Functional/Core/Extensions/Enum.cs
rename to Sanchime.Functional/Extensions/Enum.cs
index c9dbe06..dc3a87d 100644
--- a/Sanchime.Functional/Core/Extensions/Enum.cs
+++ b/Sanchime.Functional/Extensions/Enum.cs
@@ -1,6 +1,6 @@
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class EnumExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Func.cs b/Sanchime.Functional/Extensions/Func.cs
similarity index 97%
rename from Sanchime.Functional/Core/Extensions/Func.cs
rename to Sanchime.Functional/Extensions/Func.cs
index 17a4f22..c4de00e 100644
--- a/Sanchime.Functional/Core/Extensions/Func.cs
+++ b/Sanchime.Functional/Extensions/Func.cs
@@ -1,5 +1,5 @@
-using Sanchime.Functional.Core.Products;
-namespace Sanchime.Functional.Core.Extensions;
+using Sanchime.Functional.Products;
+namespace Sanchime.Functional.Extensions;
 
 public static class FuncExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/IEnumerable.cs b/Sanchime.Functional/Extensions/IEnumerable.cs
similarity index 97%
rename from Sanchime.Functional/Core/Extensions/IEnumerable.cs
rename to Sanchime.Functional/Extensions/IEnumerable.cs
index 851a94c..ef5e4b7 100644
--- a/Sanchime.Functional/Core/Extensions/IEnumerable.cs
+++ b/Sanchime.Functional/Extensions/IEnumerable.cs
@@ -1,7 +1,7 @@
 using System.Collections.Immutable;
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 /// <summary>
 /// 序列扩展类
diff --git a/Sanchime.Functional/Core/Extensions/Identity.cs b/Sanchime.Functional/Extensions/Identity.cs
similarity index 77%
rename from Sanchime.Functional/Core/Extensions/Identity.cs
rename to Sanchime.Functional/Extensions/Identity.cs
index df70ba3..9e6a6cc 100644
--- a/Sanchime.Functional/Core/Extensions/Identity.cs
+++ b/Sanchime.Functional/Extensions/Identity.cs
@@ -1,6 +1,6 @@
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class IdentityExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Nullable.cs b/Sanchime.Functional/Extensions/Nullable.cs
similarity index 77%
rename from Sanchime.Functional/Core/Extensions/Nullable.cs
rename to Sanchime.Functional/Extensions/Nullable.cs
index c07d35c..64083e0 100644
--- a/Sanchime.Functional/Core/Extensions/Nullable.cs
+++ b/Sanchime.Functional/Extensions/Nullable.cs
@@ -1,6 +1,6 @@
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class NullableExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Option.cs b/Sanchime.Functional/Extensions/Option.cs
similarity index 98%
rename from Sanchime.Functional/Core/Extensions/Option.cs
rename to Sanchime.Functional/Extensions/Option.cs
index 7e6d285..190ceaf 100644
--- a/Sanchime.Functional/Core/Extensions/Option.cs
+++ b/Sanchime.Functional/Extensions/Option.cs
@@ -1,6 +1,6 @@
-using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Products;
 
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class OptionExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Piper.cs b/Sanchime.Functional/Extensions/Piper.cs
similarity index 88%
rename from Sanchime.Functional/Core/Extensions/Piper.cs
rename to Sanchime.Functional/Extensions/Piper.cs
index e525da1..cff1f61 100644
--- a/Sanchime.Functional/Core/Extensions/Piper.cs
+++ b/Sanchime.Functional/Extensions/Piper.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 /// <summary>
 /// 该类为管道扩展类
diff --git a/Sanchime.Functional/Core/Extensions/Task.cs b/Sanchime.Functional/Extensions/Task.cs
similarity index 98%
rename from Sanchime.Functional/Core/Extensions/Task.cs
rename to Sanchime.Functional/Extensions/Task.cs
index 5b4871a..2adbccd 100644
--- a/Sanchime.Functional/Core/Extensions/Task.cs
+++ b/Sanchime.Functional/Extensions/Task.cs
@@ -1,8 +1,8 @@
 using System.Collections.Generic;
 using System;
 using System.Threading.Tasks;
-using Sanchime.Functional.Core.Products;
-namespace Sanchime.Functional.Core.Extensions;
+using Sanchime.Functional.Products;
+namespace Sanchime.Functional.Extensions;
 
 public static class TaskExtension
 {
diff --git a/Sanchime.Functional/Core/Extensions/Tuple.cs b/Sanchime.Functional/Extensions/Tuple.cs
similarity index 87%
rename from Sanchime.Functional/Core/Extensions/Tuple.cs
rename to Sanchime.Functional/Extensions/Tuple.cs
index 0f7dbb6..08df2f7 100644
--- a/Sanchime.Functional/Core/Extensions/Tuple.cs
+++ b/Sanchime.Functional/Extensions/Tuple.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Extensions;
+namespace Sanchime.Functional.Extensions;
 
 public static class TupleExtension
 {
diff --git a/Sanchime.Functional/Core/Products/Either.cs b/Sanchime.Functional/Products/Either.cs
similarity index 97%
rename from Sanchime.Functional/Core/Products/Either.cs
rename to Sanchime.Functional/Products/Either.cs
index 01def07..b0c357e 100644
--- a/Sanchime.Functional/Core/Products/Either.cs
+++ b/Sanchime.Functional/Products/Either.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 public static class Either
 {
diff --git a/Sanchime.Functional/Core/Products/IApplicative.cs b/Sanchime.Functional/Products/IApplicative.cs
similarity index 77%
rename from Sanchime.Functional/Core/Products/IApplicative.cs
rename to Sanchime.Functional/Products/IApplicative.cs
index e46f4e1..bd86207 100644
--- a/Sanchime.Functional/Core/Products/IApplicative.cs
+++ b/Sanchime.Functional/Products/IApplicative.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 /// <summary>
 /// 应用函子
diff --git a/Sanchime.Functional/Products/ICategory.cs b/Sanchime.Functional/Products/ICategory.cs
new file mode 100644
index 0000000..339204b
--- /dev/null
+++ b/Sanchime.Functional/Products/ICategory.cs
@@ -0,0 +1,6 @@
+namespace Sanchime.Functional.Products;
+
+public interface ICategory
+{
+    
+}
diff --git a/Sanchime.Functional/Core/Products/ICombine.cs b/Sanchime.Functional/Products/ICombine.cs
similarity index 75%
rename from Sanchime.Functional/Core/Products/ICombine.cs
rename to Sanchime.Functional/Products/ICombine.cs
index 0026e35..202360a 100644
--- a/Sanchime.Functional/Core/Products/ICombine.cs
+++ b/Sanchime.Functional/Products/ICombine.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Core.Products;
+namespace Sanchime.Functional.Products;
 
 /// <summary>
 /// 组合子接口
diff --git a/Sanchime.Functional/Core/Products/IFunctor.cs b/Sanchime.Functional/Products/IFunctor.cs
similarity index 90%
rename from Sanchime.Functional/Core/Products/IFunctor.cs
rename to Sanchime.Functional/Products/IFunctor.cs
index 4fc6a57..7d46b0f 100644
--- a/Sanchime.Functional/Core/Products/IFunctor.cs
+++ b/Sanchime.Functional/Products/IFunctor.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 /// <summary>
 /// 函子
diff --git a/Sanchime.Functional/Core/Products/IMonad.cs b/Sanchime.Functional/Products/IMonad.cs
similarity index 77%
rename from Sanchime.Functional/Core/Products/IMonad.cs
rename to Sanchime.Functional/Products/IMonad.cs
index 47fbd56..d68cf1f 100644
--- a/Sanchime.Functional/Core/Products/IMonad.cs
+++ b/Sanchime.Functional/Products/IMonad.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 /// <summary>
 /// 单子
diff --git a/Sanchime.Functional/Core/Products/Identity.cs b/Sanchime.Functional/Products/Identity.cs
similarity index 57%
rename from Sanchime.Functional/Core/Products/Identity.cs
rename to Sanchime.Functional/Products/Identity.cs
index 1c5ecf3..94fd9b0 100644
--- a/Sanchime.Functional/Core/Products/Identity.cs
+++ b/Sanchime.Functional/Products/Identity.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 /// <summary>
 /// 单位元
diff --git a/Sanchime.Functional/Core/Products/Option.cs b/Sanchime.Functional/Products/Option.cs
similarity index 98%
rename from Sanchime.Functional/Core/Products/Option.cs
rename to Sanchime.Functional/Products/Option.cs
index f332c95..ef10a16 100644
--- a/Sanchime.Functional/Core/Products/Option.cs
+++ b/Sanchime.Functional/Products/Option.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 /// <summary>
 /// <see cref="Option"/>的<see cref="None"/>状态
diff --git a/Sanchime.Functional/Core/Products/Unit.cs b/Sanchime.Functional/Products/Unit.cs
similarity index 87%
rename from Sanchime.Functional/Core/Products/Unit.cs
rename to Sanchime.Functional/Products/Unit.cs
index 37e51af..d6bdd6e 100644
--- a/Sanchime.Functional/Core/Products/Unit.cs
+++ b/Sanchime.Functional/Products/Unit.cs
@@ -1,4 +1,4 @@
-namespace Sanchime.Functional.Core.Products;
+namespace Sanchime.Functional.Products;
 
 public sealed class Unit
 {