diff --git a/includes/net/timer.hpp b/includes/net/timer.hpp
new file mode 100644
index 0000000..b5f6330
--- /dev/null
+++ b/includes/net/timer.hpp
@@ -0,0 +1,18 @@
+#pragma once
+#include "fd_event.hpp"
+#include "reactor.hpp"
+
+
+namespace tinyrpc {
+
+    class Timer :  FdEvent {
+
+    public:
+        
+        Timer(Reactor::Task cb = FdEvent::m_default_callback);
+        ~Timer();
+    private:
+        // TODO .... 完善 Timer 类
+    };
+
+}
\ No newline at end of file
diff --git a/src/net/timer.cc b/src/net/timer.cc
new file mode 100644
index 0000000..7ca8e6e
--- /dev/null
+++ b/src/net/timer.cc
@@ -0,0 +1,26 @@
+#include "timer.hpp"
+#include "fd_event.hpp"
+#include "logger.hpp"
+#include <cstring>
+#include <sys/timerfd.h>
+#include <unistd.h>
+namespace tinyrpc {
+
+    Timer::Timer(Reactor::Task cb /* = FdEvent::m_default_callback */) {
+        m_fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK | TFD_CLOEXEC);
+        if(m_fd == -1) {
+            logger() << "timerfd_create ret -1 err:" << strerror(errno);
+            exit(-1);
+        }
+        addListenEvent(IOEvent::READ);
+        setReadCallback(cb);
+    }
+
+    Timer::~Timer() {
+        int ret = close(m_fd);
+        if(ret == -1) {
+            logger() << "close ret  -1 err:" << strerror(errno);
+            // exit(-1);
+        }
+    }
+}
\ No newline at end of file