diff --git a/tx_server_v4.cpp b/tx_server_v4.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9f6a7f1dd17cebadbc71d8ef972c04da8cf78850
--- /dev/null
+++ b/tx_server_v4.cpp
@@ -0,0 +1,132 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <libgen.h>
+#include <unistd.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/epoll.h>
+#include <sys/time.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <pthread.h>
+
+#include "threadpool_v4.h"
+// 线程池版本的 服务器
+
+// 分配给socket的msgid
+static uint64_t msgid = 0;
+static threadpool *pool;
+
+void et(epoll_event *events, int number, int epollfd, int listenfd)
+{
+    for (int i = 0; i < number; ++i)
+    {
+        int sockfd = ((client_data *)events[i].data.ptr)->sockfd;
+        if (sockfd == listenfd)
+        {
+            struct sockaddr_in client_address;
+            socklen_t client_addrlength = sizeof(client_address);
+            int connfd = 0;
+            while ((connfd = accept(listenfd, (struct sockaddr *)&client_address, &client_addrlength)) > 0)
+            {
+                //有新的链接来了
+                client_data *cd = (client_data *)malloc(sizeof(client_data));
+                cd->address = client_address;
+                cd->sockfd = connfd;
+                cd->epollfd = epollfd;
+                cd->msgid = msgid++; //在此任务中，由于每个socket都是短连接，只传输一次消息，可分配一个id用于后续接受到消息的msgid
+
+                addfd(epollfd, connfd, true, cd);
+            }
+            if (connfd == -1)
+            {
+                if (errno != EAGAIN && errno != ECONNABORTED && errno != EPROTO && errno != EINTR)
+                    perror("accept");
+            }
+        }
+        else if (events[i].events & EPOLLIN)
+        {
+            // pthread_t thread;
+            // pthread_create(&thread, NULL, worker, events[i].data.ptr);
+            // pthread_detach(thread);
+            if (pool->append((client_data *)events[i].data.ptr) == false)
+            {
+                client_data *reset_client = (client_data *)events[i].data.ptr;
+                reset_oneshot(reset_client->epollfd, reset_client->sockfd, reset_client); //////////////这里如果任务池满了就重新注册该客户端，使得下一次epoll_wait重新响应
+            }
+        }
+        else
+        {
+            printf("something else happend\n");
+        }
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    if (argc <= 2)
+    {
+        printf("usage: %s ip_address port_number\n", basename(argv[0]));
+    }
+    const char *ip = argv[1];
+    int port = atoi(argv[2]);
+
+    int ret = 0;
+    struct sockaddr_in address;
+    bzero(&address, sizeof(address));
+    address.sin_family = AF_INET;
+    inet_pton(AF_INET, ip, &address.sin_addr);
+    address.sin_port = htons(port);
+
+    int listenfd = socket(PF_INET, SOCK_STREAM, 0);
+    assert(listenfd >= 0);
+
+    int opt = 1;
+    setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const void *)&opt, sizeof(opt)); ///////设置端口复用
+
+    ret = bind(listenfd, (struct sockaddr *)&address, sizeof(address));
+    assert(ret != -1);
+
+    ret = listen(listenfd, SOMAXCONN);
+    assert(ret != -1);
+
+    epoll_event events[MAX_EVENT_NUMBER];
+    int epollfd = epoll_create(SOMAXCONN);
+    assert(epollfd != -1);
+
+    //储存本机socket的数据
+    client_data *cd = (client_data *)malloc(sizeof(client_data));
+    cd->epollfd = epollfd;
+    cd->sockfd = listenfd;
+    cd->address = address;
+    cd->msgid = msgid++;
+
+    addfd(epollfd, listenfd, false, cd); /////////////////////////////////////已经修改et触发情况的while读取（第36行）
+
+    //初始化线程池
+    pool = new threadpool;
+
+    while (1)
+    {
+        int ret = epoll_wait(epollfd, events, MAX_EVENT_NUMBER, -1);
+        // printf("return epoll wait\n");
+        if (ret < 0)
+        {
+            printf("epoll failure!\n");
+            break;
+        }
+        else
+        {
+            et(events, ret, epollfd, listenfd);
+        }
+    }
+    close(listenfd);
+    //释放本机socket相关数据
+    free(cd);
+    delete pool;
+    return 0;
+}
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