diff --git a/Server/src/server.cpp b/Server/src/server.cpp
index d98c0d4..2837cb6 100644
--- a/Server/src/server.cpp
+++ b/Server/src/server.cpp
@@ -13,16 +13,10 @@
 
 #include "precomp.hpp"
 
-void _TCPClient(Chattr::TCPSocket sock, Chattr::Address addr);
+void _TCPRecvClient(Chattr::ThreadPool* thread, Chattr::TCPSocket sock, Chattr::Address addr);
+void _TCPSendClient(Chattr::ThreadPool* thread, Chattr::TCPSocket sock, Chattr::Address addr, std::queue<Chattr::ResponsePacket> packets);
 
 int main() {
-    Chattr::Snowflake flake;
-    flake.instance = 513;
-    flake.sequence = 2049;
-    flake.timestamp = 2199023255553;
-    spdlog::info("{}", sizeof(Chattr::Snowflake));
-    std::cout << std::bitset<64>(flake.snowflake) << "(" << std::hex << flake.snowflake << ")" << std::endl;
-    return 0 ;
     struct Chattr::WSAManager wsaManager;
     auto config = Chattr::ConfigManager::load();
     Chattr::log::setDefaultLogger(config.logLevel, config.logFileName, config.logfileSize, config.logfileCount);
@@ -41,7 +35,7 @@ int main() {
         serveraddr.set(AF_INET6, in6addr_any, config.listenPort);
         clientAddr.setType(AF_INET6);
     }
-    sock.bind(&serveraddr.addr, serveraddr.length);
+    sock.bind(serveraddr);
     sock.listen(SOMAXCONN);
 
 #ifdef _WIN32
@@ -53,7 +47,7 @@ int main() {
 
 
     Chattr::ThreadPool threadPool(0);
-    int returnedIntager = 0;
+    /*int returnedIntager = 0;
     int passvalue = 2;
     threadPool.enqueueJob([](int& i){
         spdlog::info("JobTest");
@@ -62,27 +56,110 @@ int main() {
             return 2;
         }
         return 1;
-    }, returnedIntager, std::ref(passvalue));
+    }, returnedIntager, std::ref(passvalue));*/
 
     while (true) {
         spdlog::info("Waiting for connection...");
         sock.accept(clientSock, clientAddr);
 
-        threadPool.enqueueJob(_TCPClient, std::move(clientSock), clientAddr);
+        threadPool.enqueueJob(_TCPRecvClient, std::move(clientSock), clientAddr);
     }
 }
 
-void _TCPClient(Chattr::TCPSocket sock, Chattr::Address addr) {
-    spdlog::info("Connection accepted. [{}]", (std::string)addr);
+void _TCPRecvClient(Chattr::ThreadPool* thread, Chattr::TCPSocket sock, Chattr::Address addr) {
+    Chattr::Packet pack;
+    int packetSize = 1500;
+    int totalRedSize = 0;
+    int redSize = 0;
 
-    char buf[1024];
-
-    while (true) {
-        int redSize = sock.recv(buf, 1024, 0);
-        if (redSize == 0)
-            break;
-        std::string recvData(buf, redSize);
-        spdlog::info("Red size : {}, {}", redSize, recvData);
+    while (totalRedSize < packetSize) {
+        redSize = sock.recv(&pack.serialized, 1500 - totalRedSize, 0);
+        
+        if (redSize <= 0) {
+            spdlog::info("Client disconnected. [{}]", (std::string)addr);
+            return;
+        }
+        totalRedSize += redSize;
     }
-    spdlog::info("Client disconnected. [{}]", (std::string)addr);
+    
+    std::string recvString;
+    bool packetError = false;
+    Chattr::DataPostPacket dataPostPacket;
+
+    switch (pack.__data.packetType) {
+    case Chattr::PacketType::PACKET_POST:
+        switch (pack.__data.dataType) {
+        case Chattr::DataType::TEXT:
+            std::memcpy(&dataPostPacket.serialized, &pack, 1500);
+            dataPostPacket.convToH();
+            recvString = std::string((char *)dataPostPacket.__data.data, dataPostPacket.__data.packetLength - sizeof(std::uint16_t));
+            spdlog::info("Red size : {}, {} from : [{}]", redSize, recvString, (std::string)addr);
+            break;
+        case Chattr::DataType::BINARY:
+            break;
+        default:
+            packetError = true;
+            break;
+        }
+        break;
+    case Chattr::PacketType::PACKET_REQUEST:
+        switch (pack.__data.requestType) {
+        case Chattr::RequestType::LOGIN:
+            break;
+        case Chattr::RequestType::ROOM_CREATE:
+            break;
+        case Chattr::RequestType::ROOM_LIST:
+            break;
+        case Chattr::RequestType::ROOM_JOIN:
+            break;
+        case Chattr::RequestType::ROOM_EXIT:
+            break;
+        case Chattr::RequestType::USERS_LIST:
+            break;
+        default:
+            packetError = true;
+            break;
+        }
+        break;
+    case Chattr::PacketType::PACKET_CONTINUE:
+        break;
+    default:
+        packetError = true;
+        break;
+    }
+
+    if (packetError) {
+        Chattr::ResponsePacket packet;
+        packet.__data.responseStatusCode = Chattr::ResponseStatusCode::BAD_REQUEST;
+        std::queue<Chattr::ResponsePacket> packs;
+        packet.convToN();
+        packs.push(packet);
+        thread->enqueueJob(_TCPSendClient, std::move(sock), addr, packs);
+    }
+    else
+        thread->enqueueJob(_TCPRecvClient, std::move(sock), addr);
+}
+
+void _TCPSendClient(Chattr::ThreadPool* thread, Chattr::TCPSocket sock, Chattr::Address addr, std::queue<Chattr::ResponsePacket> packets) {
+    Chattr::ResponsePacket pack = packets.front();
+    packets.pop();
+    int packetSize = 1500;
+    int totalSentSize = 0;
+    int sentSize = 0;
+
+    while (totalSentSize < packetSize) {
+
+        sentSize = sock.send(&pack.serialized, 1500 - totalSentSize, 0);
+
+        if (sentSize <= 0) {
+            spdlog::info("Client disconnected. [{}]", (std::string)addr);
+            return;
+        }
+        totalSentSize += sentSize;
+    }
+
+    if (packets.empty())
+        thread->enqueueJob(_TCPRecvClient, std::move(sock), addr);
+    else
+        thread->enqueueJob(_TCPSendClient, std::move(sock), addr, packets);
 }
\ No newline at end of file
diff --git a/impl/Session/Session.cpp b/impl/Session/Session.cpp
index 214d7ee..689d177 100644
--- a/impl/Session/Session.cpp
+++ b/impl/Session/Session.cpp
@@ -1,28 +1,60 @@
-#include "Session/Session.hpp"
-
-namespace Chattr {
-
-Session::Session(Chattr::TCPSocket __sock) {
-	init(std::move(__sock));
-}
-
-Session::~Session() {
-	destruct();
-}
-
-void Session::init(Chattr::TCPSocket __sock) {
-	
-}
-
-void Session::destruct() {
-}
-
-int Session::send() {
-	return -1;
-}
-
-int Session::recv() {
-	return -1;
-}
-
-}
\ No newline at end of file
+//#include "Session/Session.hpp"
+//#include "Socket/Log.hpp"
+//#include "precomp.hpp"
+//#include <thread>
+//
+//namespace Chattr {
+//
+//Session::Session(Chattr::TCPSocket __sock) {
+//	init(std::move(__sock));
+//}
+//
+//Session::~Session() {
+//	destruct();
+//}
+//
+//void Session::init(Chattr::TCPSocket __sock) {
+//	sock_ = std::move(__sock);
+//}
+//
+//void Session::destruct() {
+//}
+//
+//TCPSocket Session::reconnect(Chattr::TCPSocket __sock, int maxTry) {
+//	int retVal = 0;
+//	int backoffTime = 2;
+//
+//	__sock.destruct();
+//
+//	spdlog::info("Lost connection.");
+//	while (maxTry--) {
+//		backoffTime *= backoffTime;
+//		spdlog::info("Attempt to reconnect in {}s...", backoffTime);
+//		std::this_thread::sleep_for(std::chrono::seconds(backoffTime));
+//		TCPSocket sock;
+//
+//		retVal = sock.init(__sock.domain);
+//		if (retVal == INVALID_SOCKET || retVal == SOCKET_ERROR) {
+//			log::error("init()");
+//			continue;
+//		}
+//		retVal = sock.connect(__sock.remoteAddr);
+//		if (retVal == INVALID_SOCKET || retVal == SOCKET_ERROR) {
+//			log::error("connect()");
+//			continue;
+//		}
+//
+//		return sock;
+//	}
+//	return TCPSocket();
+//}
+//
+//int Session::recv(void* __restrict __buf, size_t __n, int __flags) {
+//	return -1;
+//}
+//
+//int Session::send(const void* __buf, size_t __n, int __flags) {
+//	return -1;
+//}
+//
+//}
\ No newline at end of file
diff --git a/impl/Session/SessionManager.cpp b/impl/Session/SessionManager.cpp
new file mode 100644
index 0000000..678c445
--- /dev/null
+++ b/impl/Session/SessionManager.cpp
@@ -0,0 +1,2 @@
+// #include "Session/SessionManager.hpp"
+#include "precomp.hpp"
\ No newline at end of file
diff --git a/impl/Socket/Log.cpp b/impl/Socket/Log.cpp
index 8b5f510..c8d8408 100644
--- a/impl/Socket/Log.cpp
+++ b/impl/Socket/Log.cpp
@@ -55,11 +55,11 @@ void error(gsl::czstring msg) {
         (LPSTR)&msgbuf,
         0,
         NULL);
-    spdlog::critical("[{}] {}", msg, msgbuf);
+    spdlog::error("[{}] {}", msg, msgbuf);
     LocalFree(msgbuf);
 #elif __linux__
     gsl::czstring msgbuf = strerror(errno);
-    spdlog::critical("[{}] {}", msg, msgbuf);
+    spdlog::error("[{}] {}", msg, msgbuf);
 #else
 #error "이 플랫폼은 지원되지 않습니다."
 #endif
diff --git a/impl/Socket/Socket.cpp b/impl/Socket/Socket.cpp
index d3ae205..fe1348f 100644
--- a/impl/Socket/Socket.cpp
+++ b/impl/Socket/Socket.cpp
@@ -12,17 +12,16 @@ Socket::~Socket() {
     destruct();
 }
 
-void Socket::init(int domain, int type, int protocol) {
-    if (domain == AF_INET)
-        bindAddr.length = sizeof(sockaddr_in);
-    else if (domain == AF_INET6)
-        bindAddr.length = sizeof(sockaddr_in6);
+int Socket::init(int domain, int type, int protocol) {
+    this->domain = domain;
         
     sock_ = ::socket(domain, type, protocol);
 	if (sock_ == INVALID_SOCKET)
 		log::critical("socket()");
     
     valid_ = true;
+
+    return 0;
 }
 
 void Socket::destruct() {
@@ -33,6 +32,7 @@ void Socket::destruct() {
 #elif __linux__
 	::close(sock_);
 #endif
+    valid_ = false;
 }
 
 Socket::operator SOCKET() {
@@ -44,7 +44,7 @@ Socket::operator SOCKET() {
     return INVALID_SOCKET;
 }
 
-void Socket::set(const SOCKET __sock) {
+void Socket::set(const SOCKET __sock, int __domain) {
     if (__sock == INVALID_SOCKET)
 		log::critical("socket()");
 
@@ -54,32 +54,12 @@ void Socket::set(const SOCKET __sock) {
     valid_ = true;
 };
 
-void Socket::bind(sockaddr *__addr) {
-    bind((struct sockaddr *)__addr, sizeof(sockaddr));
-}
-
-void Socket::bind(sockaddr *__addr, socklen_t __len) {
-    bindAddr.length = __len;
-    std::memcpy(&bindAddr, __addr, __len);
-    int retVal = ::bind(sock_, __addr, __len);
+int Socket::bind(Address __addr) {
+    bindAddr = __addr;
+    int retVal = ::bind(sock_, &__addr.addr, __addr.length);
     if (retVal == INVALID_SOCKET)
         log::critical("bind()");
-}
-
-void Socket::bind(sockaddr_in *__addr) {
-    bind((struct sockaddr *)__addr, sizeof(sockaddr_in));
-}
-
-void Socket::bind(sockaddr_in *__addr, socklen_t __len) {
-    bind((struct sockaddr *)__addr, __len);
-}
-
-void Socket::bind(sockaddr_in6 *__addr) {
-    bind((struct sockaddr *)__addr, sizeof(sockaddr_in6));
-}
-
-void Socket::bind(sockaddr_in6 *__addr, socklen_t __len) {
-    bind((struct sockaddr *)__addr, __len);
+    return retVal;
 }
 
 int Socket::recvfrom(void *__restrict __buf, size_t __n, int __flags, struct Address& __addr) {
diff --git a/impl/Socket/TCPSocket.cpp b/impl/Socket/TCPSocket.cpp
index 911d805..0462f19 100644
--- a/impl/Socket/TCPSocket.cpp
+++ b/impl/Socket/TCPSocket.cpp
@@ -4,27 +4,29 @@
 
 namespace Chattr {
 
-void TCPSocket::init(int domain) {
-    init(domain, SOCK_STREAM, 0);
-    valid_ = true;
+int TCPSocket::init(int domain) {
+    return init(domain, SOCK_STREAM, 0);
 }
 
-void TCPSocket::listen(int __n) {
+int TCPSocket::listen(int __n) {
     int retVal = ::listen(sock_, __n);
     if (retVal == INVALID_SOCKET)
-        log::critical("listen()");
+        log::error("listen()");
+    return retVal;
 }
 
 void TCPSocket::accept(TCPSocket& newSock, Address& __addr) {
-    newSock.set(::accept(sock_, &__addr.addr, &__addr.length));
+    newSock.set(::accept(sock_, &__addr.addr, &__addr.length), domain);
     if (newSock == INVALID_SOCKET)
-        log::critical("accept()");
+        log::error("accept()");
 }
 
-void TCPSocket::connect(Chattr::Address& serveraddr) {
+int TCPSocket::connect(Address& serveraddr) {
     int retVal = ::connect(sock_, (struct sockaddr *)&serveraddr.addr, serveraddr.length);
+    remoteAddr = serveraddr;
     if (retVal == INVALID_SOCKET)
-        log::critical("connect()");
+        log::error("connect()");
+    return retVal;
 }
 
 int TCPSocket::recv(void *__restrict __buf, size_t __n, int __flags) {
diff --git a/impl/Utils/StringTokenizer.cpp b/impl/Utils/StringTokenizer.cpp
index 0f90641..2720ccb 100644
--- a/impl/Utils/StringTokenizer.cpp
+++ b/impl/Utils/StringTokenizer.cpp
@@ -11,7 +11,7 @@ void StringTokenizer::set(gsl::czstring string, std::uint32_t size) {
 	bool token = false;
 	bool quote = false, doubleQuote = false;
 
-	for (int i = 0; i < size; i++) {
+	for (std::uint32_t i = 0; i < size; i++) {
 		if (string[i] == ' ' && token != true)
 			continue;
 
diff --git a/include/Packet/Packet.hpp b/include/Packet/Packet.hpp
index ca75eb2..33bf86b 100644
--- a/include/Packet/Packet.hpp
+++ b/include/Packet/Packet.hpp
@@ -29,13 +29,16 @@ enum class DataType : std::uint8_t {
 
 class alignas(4) Packet {
 public:
+    Packet() {
+        memset(serialized, 0, 1500);
+    }
     union {
         struct {
             PacketType          packetType;
             RequestType         requestType;
             DataType            dataType;
             std::uint16_t       packetLength;
-            std::uint8_t        data[1484];
+            std::uint8_t        data[1495];
         } __data;
         std::uint8_t serialized[1500];
     };
@@ -90,6 +93,16 @@ public:
         } __data;
         std::uint8_t serialized[1500];
     };
+    std::uint8_t* convToN() {
+        __data.packetLength = ::htons(__data.packetLength);
+        __data.roomCount = ::htonl(__data.roomCount);
+        return serialized;
+    }
+    std::uint8_t* convToH() {
+        __data.packetLength = ::ntohs(__data.packetLength);
+        __data.roomCount = ::ntohl(__data.roomCount);
+        return serialized;
+    }
 };
 
 class alignas(4) RoomJoinRequestPacket : public Packet {
@@ -128,7 +141,6 @@ public:
             RequestType         requestType;
             DataType            dataType;
             std::uint16_t       packetLength;
-            std::uint32_t       usersCount;
             std::uint8_t        name[];
         } __data;
         std::uint8_t serialized[1500];
@@ -143,16 +155,31 @@ public:
             RequestType         requestType;
             DataType            dataType;
             std::uint16_t       packetLength;
-            std::uint8_t        name[];
+            std::uint16_t       destId[4];
+            std::uint8_t        data[];
         } __data;
         std::uint8_t serialized[1500];
     };
+    std::uint8_t* convToN() {
+        __data.packetLength = ::htons(__data.packetLength);
+        for (int i = 0; i < 4; i++)
+            __data.destId[i] = ::htons(__data.destId[i]);
+        return serialized;
+    }
+    std::uint8_t* convToH() {
+        __data.packetLength = ::ntohs(__data.packetLength);
+        for (int i = 0; i < 4; i++)
+            __data.destId[i] = ::ntohs(__data.destId[i]);
+        return serialized;
+    }
 };
 
 class alignas(4) ContinuePacket : public Packet {
 public:
     union {
         struct {
+            PacketType          packetType;
+            std::uint8_t        padding[2];
             std::uint16_t       packetLength;
             std::uint8_t        data[];
         } __data;
@@ -174,6 +201,41 @@ enum class ResponseStatusCode : std::uint16_t {
 };
 
 class alignas(4) ResponsePacket : public Packet {
+public:
+    union {
+        struct {
+            PacketType          packetType;
+            RequestType         requestType;
+            DataType            dataType;
+            std::uint16_t       packetLength;
+            ResponseStatusCode  responseStatusCode;
+            std::uint8_t        data[];
+        } __data;
+        std::uint8_t serialized[1500];
+    };
+    std::uint8_t* convToN() {
+        __data.packetLength = ::htons(__data.packetLength);
+        __data.responseStatusCode = (ResponseStatusCode)::htons((std::uint16_t)__data.responseStatusCode);
+        return serialized;
+    }
+    std::uint8_t* convToH() {
+        __data.packetLength = ::ntohs(__data.packetLength);
+        __data.responseStatusCode = (ResponseStatusCode)::ntohs((std::uint16_t)__data.responseStatusCode);
+        return serialized;
+    }
+};
+
+//enum class RequestType : std::uint8_t {
+//    LOGIN,
+//    ROOM_CREATE,
+//    ROOM_LIST,
+//    ROOM_JOIN,
+//    ROOM_EXIT,
+//    USERS_LIST,
+//    DATA
+//};
+
+class alignas(4) LoginResponsePacket : public ResponsePacket {
 public:
     union {
         struct {
diff --git a/include/Session/Session.hpp b/include/Session/Session.hpp
deleted file mode 100644
index 2d65531..0000000
--- a/include/Session/Session.hpp
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-#include "Socket/TCPSocket.hpp"
-#include "Utils/Snowflake.hpp"
-#include <vector>
-
-namespace Chattr {
-class Session {
-public:
-	Session(Chattr::TCPSocket __sock);
-	~Session();
-
-	void init(Chattr::TCPSocket __sock);
-	void destruct();
-
-	int send();
-	int recv();
-
-	Session(const Session&) = delete;
-	Session& operator=(Session&) = delete;
-
-private:
-	Chattr::TCPSocket sock_;
-	struct Snowflake sessId_;
-};
-}
\ No newline at end of file
diff --git a/include/Socket/IOCP.hpp b/include/Socket/IOCP.hpp
index fde4e84..40fce48 100644
--- a/include/Socket/IOCP.hpp
+++ b/include/Socket/IOCP.hpp
@@ -9,7 +9,8 @@ public:
 
     void init(std::shared_ptr<ThreadPool> __IOCPThread);
 
-    void recv();
+    int recv(void* __restrict __buf, size_t __n, int __flags);
+    int send(const void* __buf, size_t __n, int __flags);
 
 private:
     std::shared_ptr<ThreadPool> IOCPThread_;
diff --git a/include/Socket/Socket.hpp b/include/Socket/Socket.hpp
index fad4bb9..3f24e36 100644
--- a/include/Socket/Socket.hpp
+++ b/include/Socket/Socket.hpp
@@ -11,22 +11,13 @@ public:
     Socket(int domain, int type, int protocol);
     ~Socket();
 
-    void init(int domain, int type, int protocol);
+    int init(int domain, int type, int protocol);
     void destruct();
 
     operator SOCKET();
-    void set(const SOCKET);
+    void set(const SOCKET __sock, int __domain);
     
-    void bind(sockaddr *__addr);
-    void bind(sockaddr *__addr, socklen_t __len);
-
-    //IPV4
-    void bind(sockaddr_in *__addr);
-    void bind(sockaddr_in *__addr, socklen_t __len);
-
-    //IPV6
-    void bind(sockaddr_in6 *__addr);
-    void bind(sockaddr_in6 *__addr, socklen_t __len);
+    int bind(Address __addr);
 
     int recvfrom(void *__restrict __buf, size_t __n, int __flags, struct Address& __addr);
     int sendto(const void *__buf, size_t __n, int __flags, struct Address __addr);
@@ -37,6 +28,9 @@ public:
     Socket& operator=(Socket&&);
     
     struct Address bindAddr = {};
+    struct Address remoteAddr = {};
+
+    int domain = 0;
 protected:
     bool valid_ = false;
     SOCKET sock_ = INVALID_SOCKET;
diff --git a/include/Socket/TCPSocket.hpp b/include/Socket/TCPSocket.hpp
index 2e625cd..83d0082 100644
--- a/include/Socket/TCPSocket.hpp
+++ b/include/Socket/TCPSocket.hpp
@@ -7,10 +7,10 @@ class TCPSocket : public Socket {
 public:
     using Socket::Socket;
     using Socket::init;
-    void init(int domain);
-    void listen(int __n);
+    int init(int domain);
+    int listen(int __n);
     void accept(TCPSocket& newSock, Address& addr);
-    void connect(Chattr::Address& serveraddr);
+    int connect(Chattr::Address& serveraddr);
     int recv(void *__restrict __buf, size_t __n, int __flags);
     int send(const void *__buf, size_t __n, int __flags);
 };
diff --git a/include/Utils/ThreadPool.hpp b/include/Utils/ThreadPool.hpp
index bf6a62a..b903e03 100644
--- a/include/Utils/ThreadPool.hpp
+++ b/include/Utils/ThreadPool.hpp
@@ -18,7 +18,7 @@ public:
 	void init(std::uint32_t numThreads);
 
 	template<typename _Callable, typename... _Args>
-		requires (!std::is_void_v<std::invoke_result_t<_Callable, _Args...>>)
+		requires (!std::is_void_v<std::invoke_result_t<_Callable, ThreadPool*, _Args...>>)
 	int enqueueJob(_Callable&& __job, std::invoke_result_t<_Callable, _Args...>& retVal, _Args&&... __args) {
 		if (terminate_) {
 			spdlog::error("Cannot run jobs on threads that terminating...");
@@ -26,8 +26,8 @@ public:
 		}
 
 		std::lock_guard<std::mutex> lock(jobQueueMutex);
-		auto boundFunc = [&retVal, __job = std::move(__job), ... __args = std::move(__args)]() mutable {
-			retVal = __job(std::move(__args)...);
+		auto boundFunc = [this, &retVal, __job = std::move(__job), ... __args = std::move(__args)]() mutable {
+			retVal = __job(this, std::move(__args)...);
 		};
 		auto task = std::packaged_task<void()>(std::move(boundFunc));
 		jobs_.push(std::move(task));
@@ -36,7 +36,7 @@ public:
 		return 0;
 	}
 	template<typename _Callable, typename... _Args>
-		requires std::is_void_v<std::invoke_result_t<_Callable, _Args...>>
+		requires std::is_void_v<std::invoke_result_t<_Callable, ThreadPool*, _Args...>>
 	int enqueueJob(_Callable&& __job, _Args&&... __args) {
 		if (terminate_) {
 			spdlog::error("Cannot run jobs on threads that terminating...");
@@ -44,8 +44,8 @@ public:
 		}
 
 		std::lock_guard<std::mutex> lock(jobQueueMutex);
-		auto boundFunc = [__job = std::move(__job), ... __args = std::move(__args)]() mutable {
-			__job(std::move(__args)...);
+		auto boundFunc = [this, __job = std::move(__job), ... __args = std::move(__args)]() mutable {
+			__job(this, std::move(__args)...);
 		};
 		auto task = std::packaged_task<void()>(std::move(boundFunc));
 		jobs_.push(std::move(task));
diff --git a/include/precomp.hpp b/include/precomp.hpp
index 73cb206..0082246 100644
--- a/include/precomp.hpp
+++ b/include/precomp.hpp
@@ -19,5 +19,15 @@
 #error "이 플랫폼은 지원되지 않습니다."
 #endif
 
+#include <chrono>
 #include <gsl/gsl>
-#include "spdlog/spdlog.h"
\ No newline at end of file
+#include "spdlog/spdlog.h"
+
+namespace Chattr {
+	struct _EPOQUE_ {
+		_EPOQUE_() {
+			EPOQUE = std::chrono::system_clock::now();
+		}
+		std::chrono::system_clock::time_point EPOQUE;
+	} _EPOQUE_;
+}
\ No newline at end of file