diff --git a/lesson_03/header/server.hpp b/lesson_03/header/server.hpp
index 5b1f24c..9611474 100644
--- a/lesson_03/header/server.hpp
+++ b/lesson_03/header/server.hpp
@@ -39,7 +39,7 @@ class ServerTCP: public Server // @suppress("Class has a virtual method and non-
 private:
     bool _bind;
     const unsigned short int _sizeBuffer;
-    std::unique_ptr<char[]> _buffer;
+    std::unique_ptr<std::byte[]> _buffer;
 
     class Hook
     {
@@ -54,6 +54,7 @@ private:
     std::vector<Hook> _hooks;
 
     void chat();
+    void readData(const int sizeData);
 public:
     ServerTCP(const unsigned short int port, const unsigned short int sizeBuffer = 1024);
     void bind();
diff --git a/lesson_03/source/server.cpp b/lesson_03/source/server.cpp
index 9872b01..40fd8f8 100644
--- a/lesson_03/source/server.cpp
+++ b/lesson_03/source/server.cpp
@@ -8,12 +8,11 @@
 #include <server.hpp>
 #include <iostream>
 #include <unistd.h>
+#include <string.h>
 
 namespace zh
 {
 
-#define MAX 1024
-
 Server::Server(const unsigned short int port) : _port(port), _connfd(-1)
 {
     _sizeClient = sizeof(*_client);
@@ -48,7 +47,7 @@ ServerTCP::ServerTCP(const unsigned short int port, const unsigned short int siz
 {
     _socket = std::make_unique<Socket>(AF_INET, SOCK_STREAM, IPPROTO_IP);
     _local = std::make_unique<Address>(AF_INET, INADDR_ANY, port);
-    _buffer = std::make_unique<char[]>(sizeBuffer);
+    _buffer = std::make_unique<std::byte[]>(sizeBuffer);
 }
 
 void ServerTCP::bind()
@@ -86,27 +85,20 @@ void ServerTCP::listen()
     }
 }
 
+void ServerTCP::readData(const int sizeData)
+{
+
+}
+
 void ServerTCP::chat()
 {
-//    char buff[MAX];
-//    int n;
     while (true)
     {
-//        bzero(buff, sizeof(buff));
-//        printf("Enter the string : ");
-//        n = 0;
-//        while ((buff[n++] = getchar()) != '\n')
-//            ;
-//        write(_connfd, buff, sizeof(buff));
         bzero(_buffer.get(), _sizeBuffer);
-        read(_connfd, _buffer.get(), _sizeBuffer);
-        std::cout << _buffer.get() << std::endl;
-//        printf("From Server : %s", *_buffer);
-//        if ((strncmp((*_buffer), "exit", 4)) == 0)
-//        {
-//            printf("Client Exit...\n");
-//            break;
-//        }
+        read(_connfd, _buffer.get(), 4);
+        std::cout << *reinterpret_cast<int*>(_buffer.get()) << std::endl;
+        close(_connfd);
+        break;
     }
 }