diff --git a/CMakeLists.txt b/CMakeLists.txt
index f2094c7..328810c 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,4 @@ project(cppTemp)
 set(CMAKE_CXX_STANDARD 20)
 
 add_executable(cppTemp main.cpp
-        dl.cpp
-        dl.h
-        d35.cpp
-        d35.h)
+)
diff --git a/d35.cpp b/d35.cpp
deleted file mode 100755
index fd7d6fa..0000000
--- a/d35.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-//
-// Created by czzhangheng on 25-6-27.
-//
-
-#include "d35.h"
diff --git a/d35.h b/d35.h
deleted file mode 100755
index 3cd6971..0000000
--- a/d35.h
+++ /dev/null
@@ -1,16 +0,0 @@
-//
-// Created by czzhangheng on 25-6-27.
-//
-
-#ifndef D35_H
-#define D35_H
-
-
-
-class d35 {
-
-};
-
-
-
-#endif //D35_H
diff --git a/dl.cpp b/dl.cpp
deleted file mode 100755
index ab248c7..0000000
--- a/dl.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-//
-// Created by czzhangheng on 25-6-27.
-//
-
-#include "dl.h"
-// std::shared_ptr<SingleOnceFlag> SingleOnceFlag::_instance = nullptr;
diff --git a/dl.h b/dl.h
deleted file mode 100755
index 18d3ed6..0000000
--- a/dl.h
+++ /dev/null
@@ -1,129 +0,0 @@
-//
-// Created by 张衡 on 25-6-26.
-//
-#ifndef DL_H
-#define DL_H
-
-#include <iostream>
-#include <mutex>
-#include <memory>
-
-// class Single2 {
-// private:
-//     Single2() {
-//     };
-//
-//     Single2(const Single2 &) = delete;
-//
-//     Single2 &operator=(const Single2 &) = delete;
-//
-// public:
-//     ~Single2() {
-//         std::cout << "~Single2()" << std::endl;
-//     }
-//
-//     static Single2 &GetInstance() {
-//         // 线程安全
-//         static Single2 single;
-//         return single;
-//     }
-// };
-//
-// class SingleOnceFlag {
-// public:
-//     ~SingleOnceFlag() { std::cout << "~SingleOnceFlag()" << std::endl; }
-//
-//
-//     static std::shared_ptr<SingleOnceFlag> GetInst() {
-//         // 复用
-//         static std::once_flag once_flag;
-//         // 一个量，表示有无被call_once初始化
-//         std::call_once(once_flag, []() {
-//             //初始化单例
-//             _instance = std::shared_ptr<SingleOnceFlag>(new SingleOnceFlag());
-//             std::cout << "SingleOnceFlag()" << std::endl;
-//         });
-//         return _instance;
-//     }
-//
-// private:
-//     static std::shared_ptr<SingleOnceFlag> _instance;
-//
-//     SingleOnceFlag() = default;
-//
-//     SingleOnceFlag(const SingleOnceFlag &) = delete;
-//
-//     SingleOnceFlag &operator=(const SingleOnceFlag &) = delete;
-// };
-
-
-// class SingleNet;
-// class SafeDeletor
-// {
-// public:
-//     void operator()(SingleNet *sf)
-//     {
-//         std::cout << "this is safe deleter operator()" << std::endl;
-//         delete sf;
-//     }
-// };
-//
-// class SingleNet{
-// public:
-//     static std::shared_ptr<SingleNet> getInstance(){
-//         static std::once_flag flag;
-//         std::call_once(flag, []{
-//             _instance = std::shared_ptr<SingleNet>(new SingleNet(), SafeDeletor());
-//         });
-//         return _instance;
-//     }
-//
-//     void PrintAddress() {
-//         std::cout << _instance << std::endl;
-//     }
-//     //定义友元类，通过友元类调用该类析构函数
-//     friend class SafeDeletor;
-// private:
-//     SingleNet() = default;
-//     SingleNet(const SingleNet&) = delete;
-//     SingleNet& operator=(const SingleNet& st) = delete;
-//     ~SingleNet() {
-//         std::cout << "this is singleton destruct" << std::endl;
-//     }
-//     static std::shared_ptr<SingleNet> _instance;
-//
-// };
-
-template <typename T>
-class Singleton {
-protected:
-    Singleton() = default;
-    Singleton(const Singleton &) = delete;
-    Singleton &operator=(const Singleton &) = delete;
-    static std::shared_ptr<T> _instance;
-
-public:
-    ~Singleton() = default;
-    static std::shared_ptr<T> GetInst() {
-        static std::once_flag flag;
-        std::call_once(flag, [](){
-            _instance = std::shared_ptr<T>(new T());
-        });
-    return _instance;
-    }
-};
-
-template <typename T>
-std::shared_ptr<T> Singleton<T>::_instance = nullptr;
-
-class SingleNet : public Singleton<SingleNet> {
-    friend class Singleton<SingleNet>;
-private:
-    SingleNet() = default;
-public:
-    ~SingleNet() {
-        std::cout << "~SingleNet" << std::endl;
-    }
-};
-
-#endif // DL_H