diff --git a/src/coroutine/coroutine_hook.cc b/src/coroutine/coroutine_hook.cc
index 2b77ad6..6143553 100644
--- a/src/coroutine/coroutine_hook.cc
+++ b/src/coroutine/coroutine_hook.cc
@@ -1,6 +1,8 @@
 #include "coroutine_hook.hpp"
 #include "coroutine.hpp"
 #include "logger.hpp"
+#include "fd_event.hpp"
+#include "reactor.hpp"
 #include <dlfcn.h>
 
 
@@ -22,24 +24,44 @@ namespace tinyrpc {
 
     ssize_t read_hook(int fd, void *buf, size_t count) {
         logger() << "read_hook is calling";
-        // TODO ...
+        FdEvent fe(fd);
+        fe.addListenEvent(IOEvent::READ);
+        Coroutine* curCoro = Coroutine::getCurrCoroutine();
+        fe.setReadCallback([curCoro] () -> void{
+            curCoro->resume();
+        });
         //  fd 设置为 nonblock
+        fe.setNonblock();
         //  尝试一下系统read， 返回值大于0直接返回
+        int ret = g_sys_read_fun(fd, buf, count);
+        if(ret > 0) return ret;
         //  fd 添加到 epoll 中
+        Reactor::getReactor()->addFdEvent(&fe);
         Coroutine::yeild(); //  yeild
+        Reactor::getReactor()->delFdEvent(&fe);
         //  调用系统 read 返回
-        return -1;
+        return g_sys_read_fun(fd, buf, count);
     }
 
     ssize_t write_hook(int fd, const void *buf, size_t count) {
         logger() << "write_hook is calling";
-        // TODO ...
+        FdEvent fe(fd);
+        fe.addListenEvent(IOEvent::WRITE);
+        Coroutine* curCoro = Coroutine::getCurrCoroutine();
+        fe.setWriteCallback([curCoro] () -> void{
+            curCoro->resume();
+        });
         //  fd 设置为 nonblock
-        //  尝试一下系统read， 返回值大于0直接返回
+        fe.setNonblock();
+        //  尝试一下系统 write 返回值大于0直接返回
+        int ret = g_sys_write_fun(fd, buf, count);
+        if(ret > 0) return ret;
         //  fd 添加到 epoll 中
+        Reactor::getReactor()->addFdEvent(&fe);
         Coroutine::yeild(); //  yeild
-        //  调用系统 read 返回
-        return -1;
+        Reactor::getReactor()->delFdEvent(&fe);
+        //  调用系统 write 返回
+        return g_sys_write_fun(fd, buf, count);
     }
 
 }